Computer Organization: Master the Fundamentals of Computer Architecture

Question 1

Which component is NOT part of the von Neumann architecture?

Accepted Answer

Input/Output (I/O) devices

Answer

ALU (Arithmetic Logic Unit)

Answer

Control unit

Answer

Memory unit

Question 2

Which data representation format is specifically used for representing signed integer values?

Accepted Answer

Signed Binary

Answer

Unsigned Binary

Answer

Floating-Point

Answer

ASCII

Question 3

What is the purpose of the fetch-decode-execute cycle in the CPU?

Accepted Answer

To manage the flow of instructions through the processor

Answer

To store data and instructions

Answer

To handle input and output operations

Answer

To perform arithmetic and logical operations

Question 4

What is the primary function of the Memory Management Unit (MMU)?

Accepted Answer

Managing the allocation and protection of memory resources

Answer

Performing arithmetic and logical operations

Answer

Controlling data flow between the CPU and memory

Answer

Handling input and output operations

Question 5

What is the key advantage of using a pipeline in a CPU?

Accepted Answer

Increased performance by executing multiple instructions concurrently

Answer

Reduced clock cycles required for individual instructions

Answer

Improved memory access efficiency

Answer

Prevention of data hazards

Question 6

Which method of data representation utilizes a base-2 number system?

Accepted Answer

Binary

Answer

Decimal

Answer

Hexadecimal

Answer

Octal

Question 7

What primary function does the program counter (PC) serve?

Accepted Answer

To maintain the address of the next instruction scheduled for execution

Answer

To store the end results of calculations

Answer

To regulate the flow of data throughout the computer

Answer

To decode instructions

Question 8

Which of the following is NOT considered a register within the processor?

Accepted Answer

Hard disk drive

Answer

Accumulator

Answer

Memory address register

Answer

Program counter

Question 9

What is the intended purpose of cache memory?

Accepted Answer

To store frequently accessed data and instructions for quicker retrieval

Answer

To accommodate the storage of the complete operating system

Answer

To provide additional storage capacity for large files

Answer

To connect various components of a computer system

Question 10

What is the fundamental distinction between RISC and CISC processors?

Accepted Answer

RISC processors incorporate a reduced instruction set and simpler design, while CISC processors utilize a larger instruction set and more complex design

Answer

CISC processors incorporate a reduced instruction set and simpler design, while RISC processors utilize a larger instruction set and more complex design

Answer

RISC processors consistently outperform CISC processors in terms of speed

Answer

CISC processors are inherently more efficient than RISC processors

Question 11

Which component is NOT part of the von Neumann architecture, a foundational design for computer systems?

Accepted Answer

User interface

Answer

Central Processing Unit (CPU)

Answer

Memory

Answer

Input/Output devices

Question 12

The Instruction Set Architecture (ISA) primarily defines which aspect of a computer system?

Accepted Answer

The set of instructions the processor can execute

Answer

The amount of memory the system has

Answer

The speed at which the system operates

Answer

The way data is stored and represented

Question 13

The Control Unit in a computer system is primarily responsible for:

Accepted Answer

Fetching and executing instructions

Answer

Storing data and programs

Answer

Performing calculations and logical operations

Answer

Managing communication with external devices

Question 14

Which device category includes keyboards, mice, and microphones?

Accepted Answer

Input devices

Answer

Output devices

Answer

Storage devices

Answer

Communication devices

Question 15

Which data representation format utilizes two's complement to represent negative numbers?

Accepted Answer

Two's complement

Answer

Signed magnitude

Answer

One's complement

Answer

Binary coded decimal

Question 16

Which addressing mode permits an instruction to access data located at an address specified in a register?

Accepted Answer

Register indirect addressing

Answer

Immediate addressing

Answer

Direct addressing

Answer

Indexed addressing

Question 17

In a computer system, what is the purpose of a multiplexer?

Accepted Answer

Selects one of several input signals to pass through

Answer

Amplifies signals to increase their power

Answer

Converts digital signals to analog signals

Answer

Synchronizes the timing of different components

Question 18

What is the primary purpose of a bus in a computer system?

Accepted Answer

Facilitates communication between components

Answer

Stores data and instructions

Answer

Executes instructions

Answer

Manages input and output operations

Question 19

What is a distinguishing feature of a computer system based on the von Neumann architecture?

Accepted Answer

Instructions and data share the same memory space

Answer

Separate instruction and data memory

Answer

Uses a stack-based memory model

Answer

Executes instructions in parallel

Question 20

What is the function of an interrupt in a computer system?

Accepted Answer

Halts the current program and transfers control to a specific location

Answer

Initiates a data transfer between memory and a peripheral device

Answer

Stores the state of the interrupted program for later resumption

Answer

Provides a mechanism for synchronization between multiple processes