Home/ECAT/ECAT Computer Science Computer Architecture Test Online

ECAT Computer Science Computer Architecture Test Online

Mustansar KhanLast Updated: May 1, 2025

ECAT Computer Science Computer Architecture Test

ECAT Computer Science Chapter 5 Computer Architecture Online Test

Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	ECAT Entry Test Computer Online Test Interview Questions about Computer All Universities Entrance Test Recruitments Tests

ECAT Computer Architecture Test Online MCQs

Please wait...

Page 1 of 2

Uncategorized

1. Which unit performs arithmetic and logical operations?

Input Unit

ALU

Memory Unit

Control Unit

2. Which of the following operations is not performed by the ALU?

Instruction decoding

Addition

Logical comparison

Subtraction

3. What is the function of the memory management unit (MMU)?

Handling memory access and protection

Managing input devices

Power supply control

Increasing CPU speed

4. What is the main function of registers in a CPU?

Temporarily store data and instructions

Store large data

Display data

Control system functions

5. Which of the following is used to increase processing speed?

Disk fragmentation

Parallel processing

Fewer registers

Slow CPU

6. Which of the following is not a type of computer memory?

Cache

ROM

USB

RAM

7. Which of the following is called the brain of the computer?

Monitor

CPU

RAM

Hard Disk

8. Which part of the CPU performs comparison operations?

ALU

Cache

9. Which register holds the instruction currently being executed?

Stack Pointer

Program Counter

Data Register

Instruction Register

10. Which architecture uses load/store instructions to access memory?

RISC

Harvard

Von Neumann

CISC

11. Which of the following components is used for temporary, high-speed data storage?

DVD

Cache

USB

SSD

12. Which part of the computer executes instructions?

RAM

CPU

ROM

Hard Disk

13. Which of these determines the instruction execution time?

RAM type

Monitor refresh rate

Clock cycle

Hard disk speed

14. What is a multiprocessor system?

A computer with two or more processors

A system with extra RAM

A system with multiple printers

A computer with a large monitor

15. What does the term 'throughput' mean in computer architecture?

Amount of data processed in a given time

Speed of monitor refresh

Power consumed by CPU

Number of programs running

16. What is the role of the address bus?

Carry control signals

Connect CPU to mouse

Specify memory location to access

Carry data from CPU to memory

17. Which of the following describes CISC?

Compressed Instruction System

Cache Integrated Set Control

Common Instruction Storage Chip

Complex Instruction Set Computer

18. What does 'fetch' mean in the instruction cycle?

Send data to the printer

Store the output

Bring the instruction from memory to CPU

Calculate the answer

19. What is pipelining in CPU design?

Memory management technique

Water-cooling for CPU

Technique for parallel instruction execution

Data compression technique

20. What does the acronym 'ISA' stand for in computer architecture?

Integrated Storage Architecture

Instruction Set Architecture

Internal System Architecture

Input Signal Arrangement

21. Which architecture uses a single memory for instructions and data?

RISC

Harvard

CISC

Von Neumann

22. Which component is responsible for decoding the instruction?

ALU

RAM

Cache

23. Which of the following is used to increase the performance of the CPU?

Large monitor

Slow RAM

Cache Memory

CD-ROM

24. What is the function of the bus interface unit in CPU architecture?

Communicate with memory and I/O devices

Display graphics

Control mouse pointer

Send signals to the speaker

25. What does RISC stand for?

Read Instruction Sequentially and Continuously

Reliable Instruction System Control

Reduced Instruction Set Computer

Random Instruction Storage Chip

Page 2 of 2

26. Which of the following is an example of primary memory?

Hard disk

ROM

Flash Drive

DVD

27. Which component controls the execution of instructions?

Control Unit

ROM

Cache

ALU

28. Which of the following memory types is the smallest and fastest?

Cache memory

Main memory

Secondary memory

29. Which of the following is not a characteristic of RISC architecture?

Large instruction set

Fixed-length instructions

Load/store architecture

Fewer addressing modes

30. What is the main role of the input unit in computer architecture?

Process data

Perform calculations

Enter data and instructions into the computer

Store files

31. Which register holds the address of the next instruction to be executed?

Program Counter

Instruction Register

Stack Pointer

Accumulator

32. Which memory stores data temporarily and is erased when power is off?

RAM

DVD

ROM

SSD

33. Which register is used for arithmetic and logic operations?

Instruction Register

Accumulator

Program Counter

Stack Pointer

34. Which of these terms refers to storing frequently used instructions?

RAM

CPU

Cache

ROM

35. Which of the following architectures separates data and instruction memory?

RISC

CISC

Harvard

Von Neumann

36. Which of the following controls the flow of data in a CPU?

RAM

Control Unit

Cache

ALU

37. Which of the following stores data permanently?

Cache

RAM

ROM

38. Which of the following is used to reduce the CPU's time waiting for data?

Cache Memory

SSD

USB Drive

ROM

39. What is a micro-operation?

Execution of a large software

A basic operation on data stored in a register

Complex arithmetic operation

Starting the computer

40. What is the function of the Control Unit in the CPU?

Store data

Control data flow and coordinate CPU operations

Perform calculations

Display results

41. What does the term ‘clock speed’ of a processor indicate?

Size of ROM

Memory size

Number of instructions executed per second

Screen resolution

42. Which type of memory is volatile?

Hard Disk

ROM

RAM

Cache

43. Which of the following best describes instruction pipelining?

Repeating instructions

Overlapping instruction execution

Instruction looping

Increasing cache size

44. Which of the following is the fastest memory?

DVD

RAM

Hard Disk

Cache

45. Which register is used to manage subroutine calls and returns?

Program Counter

Instruction Register

Stack Pointer

Accumulator

46. Which memory is used to start a computer?

RAM

Hard Disk

Cache

ROM

47. Which bus is used to carry data between components?

Control bus

System bus

Data bus

Address bus

48. What is the key difference between CISC and RISC?

RISC uses complex instructions

CISC uses few instructions

RISC uses microcode

CISC supports large and complex instruction sets

49. What is meant by instruction cycle?

The time to install an OS

A loop in a program

The sequence of steps to fetch and execute instructions

The process of converting data to signals

50. What is a system bus?

Bus connecting external devices

Bus only for printers

Bus used in LAN

Collection of data, address, and control buses

You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

UET Peshawar Entry Test 2025 Registration Online ETEA Test D...
ECAT Statistics Test Set 17
ECAT Statistics Test Set 16
ECAT Statistics Test Set 15
ECAT Statistics Test Set 14
ECAT Statistics Test Set 13
ECAT Statistics Test Set 12
ECAT Statistics Test Set 11
ECAT Statistics Test Set 10
ECAT Statistics Test Set 9

Mustansar KhanLast Updated: May 1, 2025

Facebook Twitter Reddit WhatsApp Share via Email Print

ECAT Computer Science Computer Architecture Test Online

ECAT Computer Science Computer Architecture Test

ECAT Computer Science Chapter 5 Computer Architecture Online Test

ECAT Computer Architecture Test Online MCQs

Uncategorized

You Might Also Like

Mustansar Khan

Leave a Reply Cancel reply