Competitive Exams : Computer Awareness - Architecture (Set 1)

Question 1

Which component of the CPU is responsible for performing arithmetic and logical operations?

Accepted Answer

C) Arithmetic Logic Unit (ALU)

Answer

A) Control Unit

Answer

B) Registers

Answer

D) Memory Unit

Question 2

What is the primary function of the Control Unit (CU) in a CPU?

Accepted Answer

A) To manage and coordinate all components of the computer system

Answer

B) To perform mathematical calculations

Answer

C) To store data and instructions temporarily

Answer

D) To connect the CPU to peripheral devices

Question 3

Which type of memory is typically faster and smaller, used to bridge the speed gap between the CPU and main memory?

Accepted Answer

B) Cache Memory

Answer

A) Hard Disk Drive

Answer

C) Random Access Memory (RAM)

Answer

D) Read Only Memory (ROM)

Question 4

The set of instructions that a CPU can understand and execute is known as its:

Accepted Answer

D) Instruction Set Architecture (ISA)

Answer

A) Operating System

Answer

B) Microcode

Answer

C) Assembly Language

Question 5

Which bus is responsible for specifying the physical location of data in memory?

Accepted Answer

A) Address Bus

Answer

B) Data Bus

Answer

C) Control Bus

Answer

D) I/O Bus

Question 6

Pipelining in CPU architecture is primarily used to:

Accepted Answer

A) Increase instruction throughput

Answer

B) Reduce power consumption

Answer

C) Simplify the instruction set

Answer

D) Improve memory access time

Question 7

What does 'RISC' stand for in the context of CPU architecture?

Accepted Answer

C) Reduced Instruction Set Computer

Answer

A) Recursive Instruction Set Computing

Answer

B) Random Integrated System Controller

Answer

D) Rapid Information System Core

Question 8

Which of the following is an example of volatile memory?

Accepted Answer

B) RAM (Random Access Memory)

Answer

A) Hard Disk Drive

Answer

C) ROM (Read Only Memory)

Answer

D) Solid State Drive

Question 9

In Flynn's Classification, what does 'SIMD' stand for?

Accepted Answer

D) Single Instruction, Multiple Data

Answer

A) Single Instruction, Multiple Data Stream

Answer

B) Simple Instruction, Memory Dependent Data

Answer

C) Synchronous Integrated Multiple Devices

Question 10

What is the primary purpose of a CPU register?

Accepted Answer

A) To temporarily store data and instructions for rapid access by the CPU

Answer

B) To permanently store the operating system

Answer

C) To manage the flow of data between memory and I/O devices

Answer

D) To perform complex floating-point calculations

Question 11

Which addressing mode directly specifies the operand in the instruction itself?

Accepted Answer

C) Immediate addressing

Answer

A) Register addressing

Answer

B) Direct addressing

Answer

D) Indirect addressing

Question 12

The concept of Virtual Memory is implemented to:

Accepted Answer

B) Provide the illusion of a larger main memory than physically available

Answer

A) Increase the physical RAM size

Answer

C) Speed up CPU clock cycles

Answer

D) Store permanent operating system files

Question 13

What is the main advantage of Hardwired Control Unit over Microprogrammed Control Unit?

Accepted Answer

D) Faster execution speed

Answer

A) Flexibility and ease of modification

Answer

B) Lower cost of implementation

Answer

C) Simpler design for complex instruction sets

Question 14

Which component is typically responsible for translating logical addresses to physical addresses in a virtual memory system?

Accepted Answer

A) Memory Management Unit (MMU)

Answer

B) Arithmetic Logic Unit (ALU)

Answer

C) Input/Output Controller

Answer

D) Graphics Processing Unit (GPU)

Question 15

The clock speed of a CPU is typically measured in:

Accepted Answer

B) Hertz (Hz) or Gigahertz (GHz)

Answer

A) Bytes per second

Answer

C) Bits per second

Answer

D) Operations per minute

Question 16

Which type of cache mapping stores a block of main memory data into any available cache line?

Accepted Answer

A) Fully Associative Mapping

Answer

B) Direct Mapping

Answer

C) Set-Associative Mapping

Answer

D) Segmented Mapping

Question 17

A 'multi-core' processor means:

Accepted Answer

C) It contains two or more independent processing units (cores)

Answer

A) It has multiple input/output ports

Answer

B) It can execute multiple instructions at different clock speeds

Answer

D) It supports multiple types of memory modules

Question 18

The BIOS (Basic Input/Output System) is typically stored in which type of memory?

Accepted Answer

B) ROM (Read Only Memory) or Flash Memory

Answer

A) RAM

Answer

C) Hard Disk Drive

Answer

D) Cache Memory

Question 19

Which of the following is NOT typically a part of the CPU's internal architecture?

Accepted Answer

D) Graphics Card (GPU)

Answer

A) Program Counter

Answer

B) Instruction Register

Answer

C) Stack Pointer

Question 20

What is an interrupt in computer architecture?

Accepted Answer

A) A signal from hardware or software indicating an event that needs immediate attention from the CPU

Answer

B) A memory location used for storing temporary data

Answer

C) A special type of instruction for data transfer

Answer

D) A protocol for network communication