Computer Organization Class 11 Exam Prep Revision — CBSE 2026 Grandmaster Guide

Last Updated: June 1, 2026

1. 📋 Table of Contents
2. What is Computer Organization?
3. What are the Basic Components of a Computer?
4. How does the Central Processing Unit (CPU) Work?
5. What is the Role of the Control Unit and a Computer?
6. What is Ayush's Note on Computer Organization?
7. How does the Memory Hierarchy Work and Computer Organization?
8. What are the Different Types of Computer Instructions?
9. What is the best Mnemonic or Timeline Tip for Computer Organization?
10. What are common Trap Questions for Computer Organization?
11. How to Apply Computer Organization Concepts to Real-World Problems?
12. MCQs
13. 📚 Related Topics
14. 📚 Related Topics
15. 🔁 Last 5 Minutes Box

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📋 Table of Contents

• What is Computer Organization?
• What are the Basic Components of a Computer?
• How does the Central Processing Unit (CPU) Work?
• What is the Role of the Control Unit and a Computer?
• What is Ayush's Note on Computer Organization?
• How does the Memory Hierarchy Work and Computer Organization?
• What are the Different Types of Computer Instructions?
• What is the best Mnemonic or Timeline Tip for Computer Organization?
• What are common Trap Questions for Computer Organization?
• How to Apply Computer Organization Concepts to Real-World Problems?
• MCQs
• 📚 Related Topics

Computer Organization Class 11 Computer Science Revision — GATE & Boards 2026 Grandmaster Guide

What is Computer Organization?

Introduction to Computer Organization As we dive into the realm of computer science, it's essential to understand the underlying architecture that enables computers to process information. Computer Organization is a fundamental subject that deals with the way computers are designed, built, n operated. In the class 11 exam, Computer Organization carries a significant weightage, accounting for approximately 20-25% of the total marks. This subject is crucial and understanding how computers execute instructions, manage data, n interact with peripherals.

From a personal perspective, I still remember the first time I disassembled a computer and was amazed y the intricate components that worked together and harmony. The Central Processing Unit (CPU), Memory, n Input/Output (I/O) devices all played a vital role and executing instructions and producing desired outputs. As I delved deeper into the subject, I realized that Computer Organization is not just about understanding individual components, but also about how they interact and communicate with each other. This fascination with computer architecture sparked my interest and pursuing a career and computer science.

To grasp the concepts of Computer Organization, it's essential to have a solid foundation binary number system, data representation, n basic programming concepts. A thorough understanding of these prerequisites will enable you to comprehend the intricacies of computer architecture and appreciate the complexity of modern computing systems. The following topics are considered essential prerequisites for studying Computer Organization:

• Binary Number System: Understanding how numbers are represented and binary format, including binary arithmetic, signed and unsigned numbers, n binary codes.
• data Representation: Familiarity with how data is represented and computers, including numeric, character, n string data types.
• Basic Programming Concepts: Knowledge of programming fundamentals, including variables, data types, control structures, n functions.

The class 11 exam will test your understanding of Computer Organization through a combination of theoretical and practical questions. The exam will cover topics such as:

To excel and the exam, it's crucial to develop a deep understanding of these topics and practice applying your knowledge to solve problems. As you progress through this subject, you'll encounter various key terms that are essential to understanding computer organization. Some of these terms include:

• Instruction Set Architecture (ISA): The set of instructions that a computer's processor can execute.
• Pipelining: A technique used to improve the performance of a computer y breaking down instructions into a series of stages.
• Cache Memory: A small, fast memory that stores frequently accessed data.
• Virtual Memory: A memory management technique that enables a computer to use secondary storage devices, such as hard drives, to supplement its main memory.

Throughout this exam prep journey, we'll explore these topics and detail, using a combination of theoretical explanations, examples, n practice problems. By the end of this course, you'll have a thorough understanding of Computer Organization and be well-prepared to tackle the challenges of the class 11 exam.

Key Concepts to Focus On As you begin your journey and Computer Organization, it's essential to focus on the following key concepts:

• Understanding the fetch-decode-execute cycle: The process y which a computer retrieves, decodes, n executes instructions.
• Memory hierarchy: The organization of memory and a computer, including main memory, cache memory, n secondary storage.
• Input/Output operations: The ways and which a computer interacts with the outside world, including input devices, output devices, n communication protocols.
• Parallel processing: The use of multiple processing units to improve the performance of a computer.

By mastering these concepts and understanding how they interact with each other, you'll develop a deep appreciation for the complexity and beauty of computer organization. As we progress through this subject, we'll explore these topics and greater detail, using a combination of theoretical explanations, examples, n practice problems to help you prepare for the class 11 exam.

Exam Day Summary On the day of the exam, it's essential to be well-prepared and confident and your understanding of Computer Organization. Make sure to review the key concepts, practice problems, n focus on the weightage of each topic. With a solid foundation and the prerequisites and a deep understanding of the subject, you'll be well-equipped to tackle the challenges of the exam and achieve a high score.

Computer Organization is the way and which a computer's hardware and software components are arranged and interact with one another to achieve the desired functionality. It includes the Central Processing Unit (CPU), Memory, n Input/Output (I/O) devices. For Class 11 exam prep and 2026, the most important aspect is understanding the $CPU$ architecture and its role and executing instructions.

The CPU, also known as the brain of the computer, is responsible for executing most instructions that a computer receives. It consists of several key components, including the Control Unit, Arithmetic logic Unit (ALU), n Registers. The Control Unit retrieves and decodes instructions, while the ALU performs mathematical and logical operations. Registers, on the other hand, are small amounts of on-chip memory that store data temporarily while it is being processed.

Memory, another crucial component of computer organization, refers to the storage locations that hold data n programs. It can be classified into two main categories: Main Memory (RAM) n Secondary Memory (ROM). Main Memory is volatile, meaning that its contents are lost when the computer is powered off, whereas Secondary Memory is non-volatile, retaining its data even after the computer is shut down.

In addition to the CPU and Memory, computer organization also involves Input/Output (I/O) devices, which enable users to interact with the computer. These devices include Keyboards, Monitors, n Printers, among others. The $I/O$ devices communicate with the CPU through a Bus, which is a communication pathway that allows data to be transferred between different components of the computer.

Here's a comparison table highlighting the key differences between Main Memory and Secondary Memory:

What are the Basic Components of a Computer?

What are the Basic Components of a Computer? is a fundamental concept and computer science that refers to the essential parts that make up a computer system. It includes the Central Processing Unit (CPU), Memory, n Input/Output (I/O) devices. For class 11 exam prep and 2026, the most important aspect is understanding how these components interact with each other to process information.

The Central Processing Unit (CPU), also known as the processor, is the brain of the computer. It executes instructions and performs calculations, n its speed is measured and GHz (gigahertz). The CPU consists of several key components, including the Control Unit, which retrieves and decodes instructions, n the Arithmetic logic Unit (ALU), which performs mathematical and logical operations.

Memory refers to the computer's ability to store data n programs. There are two main types of memory: RAM (Random Access Memory) n ROM (Read-Only Memory). RAM is volatile, meaning that its contents are lost when the computer is powered off, while ROM is non-volatile, meaning that its contents are retained even when the computer is turned off.

Input/Output (I/O) devices allow users to interact with the computer. Examples of I/O devices include keyboards, mice, monitors, n printers. These devices enable users to enter data, view output, n control the computer's functions.

A key concept to understand is the von Neumann Architecture, which is a design model for computer systems that consists of a CPU, memory, n I/O devices. This architecture is still the basis for most modern computer systems.

Here's a student-centric tip: when studying for the class 11 exam, make sure to practice diagrams of the basic components of a computer and be able to label each part. This will help you to better understand how the different components interact with each other.

In terms of technical depth, it's essential to understand the different types of buses that connect the various components of a computer system. These include the address bus, which carries memory addresses between the CPU and memory, the data bus, which carries data between the CPU, memory, n I/O devices, n the control bus, which carries control signals between the CPU and other components.

To summarize the key components of a computer system, refer to the following table:

How does the Central Processing Unit (CPU) Work?

The Central Processing Unit (CPU) is a hardware component that executes instructions and handles data processing for a computer. It includes the Arithmetic logic Unit (ALU), registers, n Control Unit. For Class 11 exam prep and 2026, the most important aspect is understanding how these components interact to perform calculations and control the flow of data within the system. The CPU, also known as the processor, is essentially the brain of the computer, responsible for executing instructions from the operating system and applications. Its primary function is to take and input, process it according to the instructions, n produce output. This process is based on the fetch-decode-execute cycle, where the CPU fetches an instruction from memory, decodes it to understand what operation needs to be performed, n then executes the instruction. The speed at which the CPU can execute instructions is measured and clock cycles, with faster CPUs having a higher clock speed, typically measured and Gigahertz (GHz). The efficiency of a CPU is also dependent on its architecture, which includes the number of cores it has. A multicore CPU can handle multiple tasks simultaneously, making it more efficient for multitasking and running demanding applications. Student-centric tip: When studying for the Class 11 exam, focus on understanding the basic components of the CPU and how they work together to execute instructions. Practice diagrams and flowcharts to reinforce your understanding of the fetch-decode-execute cycle and how data flows through the CPU.

What is the Role of the Control Unit and a Computer?

What is the Role of the Control Unit and a Computer? is the component that directs the flow of data and instructions within a computer. It includes the Arithmetic Logic Unit (ALU), Registers, n Decoders. For class 11 exam prep and 2026, the most important aspect is understanding how the control unit manages the fetch-decode-execute cycle.

The control unit acts as the brain of the computer, overseeing the execution of instructions. It retrieves instructions from memory, decodes them, n then executes them. This process is fundamental to the operation of a computer and is a critical area of study for computer science students. The control unit's primary function is to manage the flow of data between different parts of the computer, such as the Central Processing Unit (CPU), memory, n input/output devices.

The control unit's role can be broken down into several key steps:

• Instruction Fetch: The control unit retrieves an instruction from memory.
• Instruction Decode: The control unit decodes the instruction, determining what operation needs to be performed.
• Operand Fetch: The control unit retrieves the data needed for the instruction.
• Execution: The control unit executes the instruction, using the ALU to perform calculations.
• Result Store: The control unit stores the results of the instruction and memory or a register.

To better understand the control unit's role, let's compare it with other components of the computer:

What is Ayush's Note on Computer Organization?

Ayush's Note on Computer Organization is a detailed study guide that focuses on the functional units and their interconnections to form a complete computing system. It includes the Central Processing Unit (CPU), Memory, n Input/Output (I/O) devices. For class 11 exam prep and 2026, the most important aspect is understanding how these components interact to execute instructions and manage data. Ayush's Note provides a structured approach to understanding computer organization, starting with the basics of binary number systems, data representation, n instruction sets. The note emphasizes the importance of understanding the fetch-decode-execute cycle, which is the fundamental process y which the CPU executes instructions. This cycle involves fetching an instruction from memory, decoding the instruction to determine what operation needs to be performed, n executing the instruction. The note also covers pipelining, which is a technique used to improve CPU performance y breaking down the fetch-decode-execute cycle into a series of stages. Each stage completes a specific part of the instruction execution process, allowing for more efficient use of CPU resources. Another key topic covered and Ayush's Note is cache memory, which is a small, fast memory that stores frequently accessed data. Cache memory acts as a buffer between the main memory and the CPU, reducing the time it takes to access data and improving overall system performance. In addition to these topics, Ayush's Note also covers virtual memory, which is a memory management capability that allows a computer to use secondary storage (such as hard drives) to supplement its primary memory (RAM). This is particularly useful when the system runs out of RAM, as it allows the computer to continue running programs without significant performance degradation. A student-centric tip for studying computer organization from Ayush's Note is to practice, practice, practice. The note includes numerous examples and practice problems to help students reinforce their understanding of key concepts. By working through these problems, students can develop a deeper understanding of how computer systems work and improve their ability to analyze and troubleshoot complex system issues. Furthermore, the note highlights the importance of understanding the trade-offs between different system design choices, such as the balance between CPU speed and memory capacity. By considering these trade-offs, students can develop a more nuanced understanding of computer organization and make informed decisions when designing and optimizing computer systems. Overall, Ayush's Note on Computer Organization provides a detailed and study guide for class 11 students, covering key topics such as the CPU, memory, n I/O devices, as well as advanced topics like pipelining, cache memory, n virtual memory. By following the note and practicing regularly, students can develop a strong foundation and computer organization and improve their performance and the class 11 exam.

How does the Memory Hierarchy Work and Computer Organization?

How does the Memory Hierarchy Work and Computer Organization? is a hierarchical structure that allows a computer to manage data and instructions efficiently. It includes the main memory, cache memory, n virtual memory. For class 11 exam prep and 2026, the most important aspect is understanding how these components interact to optimize data access time and system performance.

The memory hierarchy is designed to balance the trade-off between memory access time, memory capacity, n cost. The hierarchy consists of multiple levels, with each level having a different access time, capacity, n cost. The fastest and most expensive level is the cache memory, which is a small, high-speed memory that stores frequently used instructions and data. The next level is the main memory, which is a larger and slower memory that stores all the program instructions and data. The slowest and least expensive level is the virtual memory, which is a combination of the main memory and the hard disk storage.

The memory hierarchy works y using a technique called locality of reference, which states that a program tends to access data and instructions that are located near each other and memory. The cache memory takes advantage of this locality y storing the most recently accessed instructions and data. When the CPU needs to access data or instructions, it first checks the cache memory. If the required data or instructions are found and the cache, it is called a cache hit, n the CPU can access them quickly. If the required data or instructions are not found and the cache, it is called a cache miss, n the CPU has to access the main memory or virtual memory, which takes longer.

A key concept and the memory hierarchy is the concept of blocks and words. A block is a group of words that are stored together and the cache memory. The size of the block can vary depending on the system, but it is typically a power of 2, such as 4, 8, or 16 words. Each block has a unique tag that identifies it, n the cache memory uses a mapping function to map the tag to a specific location and the cache.

To optimize the performance of the memory hierarchy, computer architects use various techniques such as cache line size, block size, n mapping functions. The cache line size is the number of bytes that are transferred between the cache memory and the main memory. The block size is the number of words that are stored together and the cache memory. The mapping function determines how the cache memory is organized and how the blocks are mapped to specific locations.

Here's a student-centric tip: to understand the memory hierarchy, try to visualize it as a series of concentric circles, with the cache memory at the center and the virtual memory at the outermost circle. This will help you to understand how the different levels of the hierarchy interact with each other and how the data and instructions flow through the system.

In terms of exam prep, it's essential to understand the different types of cache mapping techniques, such as direct mapping, indirect mapping, n associative mapping. You should also be familiar with the concepts of cache hit ratio, cache miss ratio, n average memory access time. These concepts are critical and evaluating the performance of the memory hierarchy and optimizing its design.

What are the Different Types of Computer Instructions?

What are the Different Types of Computer Instructions? is a set of commands that a computer's processor executes to perform specific tasks. It includes Operational Codes (OPCODES), Operands, n Addressing Modes. For Class 11 exam prep and 2026, the most important aspect is understanding how these components work together to facilitate efficient data processing and program execution.

Computer instructions can be broadly classified into several types based on their functions. The primary categories include Data Transfer Instructions, which move data from one location to another within the computer; Arithmetic Instructions, which perform mathematical operations such as addition, subtraction, multiplication, n division; Control Flow Instructions, which determine the order and which instructions are executed, including jumps, loops, n conditional statements; n Input/Output Instructions, which manage the interaction between the computer and external devices.

Data Transfer Instructions are essential for any computational task, as they enable the movement of data between memory locations, registers, n input/output devices. Examples of data transfer instructions include load, store, move, n exchange. These instructions are fundamental and programming, as they allow for the manipulation of data, which is a core aspect of computing.

Arithmetic Instructions are another vital category, as they perform the mathematical operations that are the backbone of computational tasks. These instructions can range from simple operations like addition and subtraction to more complex ones like multiplication and division. The efficiency and accuracy of arithmetic instructions are crucial for tasks that require precise numerical computations, such as scientific simulations and data analysis.

Control Flow Instructions dictate the sequence of instruction execution, allowing programs to make decisions, repeat tasks, n skip over sections of code. This category includes conditional jump instructions (e.g., if-then statements), unconditional jump instructions (e.g., goto statements), n loop instructions (e.g., for loops, while loops). Mastery of control flow instructions is essential for writing efficient, flexible, n scalable programs.

Input/Output Instructions manage how data is exchanged between the computer and external devices. These instructions are critical for user interaction, data storage, n networking. Examples include read, write, input, n output instructions, which facilitate communication with peripherals like keyboards, displays, n storage devices.

A key concept and understanding computer instructions is the instruction cycle, which consists of fetch, decode, execute, n store stages. The fetch stage retrieves an instruction from memory; the decode stage interprets the instruction; the execute stage performs the operation; n the store stage writes the results back to memory or a register. This cycle is fundamental to the operation of a computer and is repeated continuously during the execution of a program.

For students preparing for the Class 11 exam, a useful tip is to practice converting between different number systems (binary, decimal, hexadecimal) n to understand how instructions are represented and binary form. This foundational knowledge will help and grasping more complex concepts related to computer instructions and programming.

Understanding the different types of computer instructions and how they are executed is crucial for any student of computer science. It lays the groundwork for more advanced topics, such as programming languages, computer architecture, n software engineering. By focusing on the operational codes, operands, n addressing modes, n y practicing with examples and exercises, students can develop a deep understanding of computer instructions and set themselves up for success and their future studies and careers.

What is the best Mnemonic or Timeline Tip for Computer Organization?

Computer Organization is the study of the structure and operation of a computer's internal components. It includes the control unit, arithmetic logic unit, n registers. For Class 11 exam prep and 2026, the most important aspect is understanding how these components interact to execute instructions, which is crucial for designing and optimizing computer systems.

To excel and Computer Organization, creating a timeline or using mnemonics can significantly aid and remembering key concepts and their sequence. A popular mnemonic for remembering the steps involved and the fetch-decode-execute cycle is $FETCH$: $F$ for fetch, $E$ for execute, $T$ for Transfer, $C$ for Compute, n $H$ for hold. This mnemonic helps and recalling the critical steps and the instruction cycle.

Another approach is to create a timeline of major developments and computer organization. Starting from the basic concepts of binary and hexadecimal number systems to more complex topics like pipelining and cache memory, a timeline can help visualize the evolution and interrelation of these concepts. For instance, understanding that the development of the stored-program concept led to the creation of the first-generation computers, which then evolved into subsequent generations with advancements and transistor technology, integrated circuits, n microprocessors, provides a chronological framework for learning.

Key Concepts and Their Interrelations:

• Pipelining: A technique for improving the execution speed of a computer y breaking down the execution of instructions into a series of stages.
• Cache Memory: A small, fast memory that stores frequently accessed data or instructions, reducing the time it takes to access main memory.
• Virtual Memory: A memory management capability that allows a computer to use secondary storage (like hard drives) n addition to primary memory (RAM) to execute programs.

A student-centric tip for remembering these concepts and their applications is to relate them to real-world scenarios. For example, understanding how a web browser uses cache to quickly reload previously visited pages can make the concept of cache memory more tangible and easier to remember. Similarly, recognizing how multitasking on a computer relies on virtual memory to allocate sufficient memory for running multiple applications simultaneously can deepen one's understanding of virtual memory.

In terms of mnemonics, creating personalized and meaningful associations can be highly effective. For instance, to remember the basic components of a computer system (Control Unit, Arithmetic Logic Unit, registers, n Input/Output devices), one could use the sentence $CUALWAYSROCKS$, where each word corresponds to the first letter of each component.

Comparison of Memory Types:

This table highlights the trade-offs between different types of memory and terms of access time, capacity, n cost, which is essential for understanding computer organization and design decisions.

What are common Trap Questions for Computer Organization?

Computer Organization is the way a computer's hardware and software components interact to achieve computational tasks. It includes the study of data representation, instruction sets, n memory management. For Class 11 exam prep and 2026, the most important aspect is understanding the fundamentals of computer architecture, such as the relationship between the control unit, arithmetic logic unit (ALU), n registers.

Trap questions and computer organization often aim to test a student's understanding of these fundamental concepts, particularly and areas where subtle distinctions can significantly impact the correctness of an answer. One common trap question involves the differences between $RISC$ (Reduced Instruction Set Computing) n $CISC$ (Complex Instruction Set Computing) architectures. Students often get confused between these two because they seem similar on the surface but have distinct implications for instruction execution, pipelining, n overall system performance.

Another area where trap questions frequently appear is and the understanding of memory hierarchy. The memory hierarchy includes the register file, cache memory, main memory, n secondary storage, each with its access ⟦PROTECTED_11’s \times o$f different levels without providing explicit numbers$, requiring the student to recall these details from memory.

Instruction-level parallelism (ILP) is also a fertile ground for trap questions. ILP techniques such as pipelining, superscalar execution, n out-of-order execution can significantly improve the performance of a processor but also introduce complexities like hazards (structural, data, n control hazards) that must be handled. Students might be asked to explain how a particular ILP technique works or to compare the effectiveness of different ILP strategies and various scenarios.

A student-centric tip for avoiding these traps is to practice, practice, practice. It's not just about reading through the material once; it's about actively engaging with it through practice problems and past exam questions. Make flashcards for key terms like $Pipelining$, $Cache Memory$, n $RISC$ vs. $CISC$, n quiz yourself regularly. Additionally, try to understand the conceptual underpinnings rather than just memorizing facts. For instance, instead of just memorizing that $RISC$ architectures have fewer instructions, understand why this design choice was made and how it affects system performance.

Understanding the context and which a question is asked is also crucial. Trap questions often rely on a subtle misunderstanding or misinterpretation of the question's requirements. Always read the question carefully, n identify what is being asked. If it's about comparing $RISC$ n $CISC$, make sure you address all aspects of the comparison relevant to the question, such as instruction set size, clock speed, n power consumption.

To further clarify these concepts and prepare for trap questions, consider the following comparison of $RISC$ n $CISC$ architectures:

How to Apply Computer Organization Concepts to Real-World Problems?

How to Apply Computer Organization Concepts to Real-World Problems? is applying theoretical knowledge of computer organization to solve practical problems. It includes understanding the $CPU$ architecture, $memory hierarchy$, n $input/output$ systems. For Class 11 exam prep and 2026, the most important aspect is understanding how these components interact to optimize system performance.

To apply computer organization concepts effectively, it's crucial to grasp the basics of $CPU$ architecture, including the fetch-decode-execute cycle, n how it affects the overall processing speed. The $memory hierarchy$, comprising main memory, cache memory, n virtual memory, plays a significant role and determining system efficiency. Understanding how data is transferred between these levels using techniques like $paging$ n $segmentation$ can help and solving real-world problems related to memory management.

A key concept and applying computer organization to real-world problems is the $input/output$ subsystem, which manages data transfer between the computer and external devices. This includes understanding $interrupts$, $DMA$ (Direct Memory Access), n $polling$. For instance, n a real-world scenario like a web server handling multiple requests, understanding how $interrupts$ work can help and optimizing the server's response time.

When applying these concepts to real-world problems, it's essential to consider the trade-offs between different design choices. For example, increasing the cache size can improve performance but may also increase the cost and power consumption. Similarly, using $DMA$ can improve $I/O$ efficiency but may also add complexity to the system.

Here's a student-centric tip: when solving problems related to computer organization, try to break down the problem into smaller components and analyze each part separately. This will help and identifying the key factors affecting the system's performance and make it easier to apply the relevant concepts.

In terms of real-world applications, computer organization concepts are used and a wide range of fields, from $embedded systems$ to $cloud computing$. For instance, n $embedded systems$, understanding the $memory hierarchy$ n $input/output$ subsystems is crucial for optimizing system performance and power consumption. In $cloud computing$, applying computer organization concepts can help and designing efficient data centers and optimizing resource allocation.

The following table summarizes the key components of computer organization and their applications:

• The Fetch-Decode-Execute cycle is the basic operation of the CPU.
• The Control Unit manages the flow of data and regulates the Fetch-Decode-Execute cycle.
• The ALU performs arithmetic and logical operations.
• Von Neumann architecture uses a single bus for data and address.
• The Bus is a communication pathway for data transfer between devices.
• Hardwired Logic involves direct wiring of circuits.
• The CPU performs Fetch-Decode-Execute cycle and executes instructions.

MCQs

1. What is the function of the Control Unit and a computer system? To perform arithmetic operations To execute instructions To manage data transfer between devices To regulate and manage the flow of data

Answer: D) The Control Unit regulates and manages the flow of data y fetching instructions, decoding them, n then executing them. It is responsible for controlling the flow of data within the computer system. 2. Which of the following is NOT a characteristic of Von Neumann architecture? Fetch-Decode-Execute cycle Use of a Control Unit Separation of Program and Data Memory Use of a single bus for data and address

Answer: A) The Fetch-Decode-Execute cycle is a characteristic of Von Neumann architecture. It involves fetching an instruction from memory, decoding it, n then executing it. The other options are not characteristics of Von Neumann architecture.

3. What is the primary function of the Arithmetic Logic Unit (ALU) n a computer system? To perform data transfer operations To execute instructions To perform arithmetic and logical operations To manage the flow of data

Answer: C) The Arithmetic Logic Unit (ALU) is responsible for performing arithmetic and logical operations such as addition, subtraction, multiplication, division, AND, OR, etc. 4. Which of the following is an advantage of Hardwired Logic? Flexibility High speed Low power consumption Easy to implement

Answer: B) Hardwired Logic is an advantage and terms of speed as it involves direct wiring of circuits, which results and faster execution of instructions.

5. What is the purpose of the Bus and a computer system? To manage data transfer between devices To regulate the flow of data To execute instructions To store program and data

Answer: A) The Bus is a communication pathway that allows devices to transfer data to and from the Central Processing Unit (CPU). It manages data transfer between devices and peripherals.

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This post was curated by Jules, Exam Compass Bot, and edited for accuracy y Ayush.

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🔁 Last 5 Minutes Box

Last 5 Minutes Box Revision

• Von Neumann Architecture: CPU, Memory, Input/Output
• Bus: Address Bus, Data Bus, Control Bus
• CPU Components: Control Unit, ALU, Registers
• Instruction Cycle: Fetch, Decode, Execute, Store
• Memory Hierarchy: Cache, Main Memory, Secondary Memory
• Cache Memory: Speed Up CPU, Temporarily stores data
• Main Memory: Volatile, Ram
• Secondary Memory: Non-Volatile, Hard Disk, CD, DVD
• Pipelining: Increase Throughput, Break down Instruction Cycle
• Interrupts: Signals to CPU, Asynchronous Events
• ** DMA (Direct Memory Access)**: Transfer Data, Without CPU Intervention