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Computer Architecture MCQs

Prepare with high-quality Computer Architecture MCQs designed specifically for competitive exams, job tests and jobexams. This section includes objective questions on computer organization, instruction sets, memory hierarchy, ALU, CPU design, pipelining, input/output systems, and more. These MCQs are ideal for candidates preparing for technical exams such as FPSC, PPSC, NTS, SPSC, BPSC, CSS, PMS, and IT-related job assessments. Cover both theoretical and practical aspects of modern computer architecture with updated and exam-focused questions. Regular updates ensure that you stay aligned with current patterns and expected difficulty levels in computer-based tests.

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1 Computer Architecture MCQs

The clock speed of a computer is measured in?

  • Baud
  • MIPS
  • Gigahertz
  • None of these
0 Comments
Correct Answer: C. Gigahertz

Explanation:

The clock speed of a computer is measured in Gigahertz (GHz). Clock speed ... Read More Details

2 Computer Architecture MCQs

The speed of CPU is measured in?

  • MHz
  • Mbps
  • Mbytes
  • None of these
0 Comments
Correct Answer: A. MHz

Explanation:

The speed of a CPU (Central Processing Unit) is traditionally measured in megahertz ... Read More Details

3 Computer Architecture MCQs

The brain of any computer system is?

  • ALU
  • Memory
  • CPU
  • Central Unit
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Correct Answer: C. CPU

Explanation:

CPU stands for Central Processing Unit, and it is commonly referred to as ... Read More Details

4 Computer Architecture MCQs

IBM 360 belongs to which generation?

  • First
  • Second
  • Third
  • Fourth
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Correct Answer: C. Third

Explanation:

The IBM System/360, also known as IBM 360, is considered a third-generation computer. ... Read More Details

5 Computer Architecture MCQs

Which is the fastest Memory of a Computer?

  • Main Memory
  • SRAM
  • Cache Memory
  • DRAM
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Correct Answer: C. Cache Memory

Explanation:

Cache memory is the fastest type of memory in a computer system. It ... Read More Details

6 Computer Architecture MCQs

Which of the following types of memory offers the highest speed and performance?

  • SSD
  • Hard Disk
  • Cache
  • None of these
0 Comments
Correct Answer: C. Cache

Explanation:

Cache memory is the fastest and highest-performing type of memory in a computer ... Read More Details

7 Computer Architecture MCQs

What is the purpose of the cache memory?

  • To speed up processing by storing frequently used data
  • To backup files
  • To store only images
  • None of these
0 Comments
Correct Answer: A. To speed up processing by storing frequently used data

Explanation:

Cache memory is a small, high-speed memory unit located close to or inside ... Read More Details

8 Computer Architecture MCQs

Which of the following are the two main components of the CPU?

  • Control Unit and ALU
  • Control Unit and Registers
  • Registers and Main Memory
  • None of these
0 Comments
Correct Answer: A. Control Unit and ALU

Explanation:

These two components are the central building blocks of the CPU (Central Processing ... Read More Details

9 Computer Architecture MCQs

Which part of the computer performs arithmetic calculations?

  • Register
  • Monitor
  • ALU
  • None of these
0 Comments
Correct Answer: C. ALU

Explanation:

The ALU is a key part of the CPU (Central Processing Unit), and ... Read More Details

10 Computer Architecture MCQs

What type of memory is used to boot the computer?

  • Hard Disk
  • RAM
  • ROM
  • None of these
0 Comments
Correct Answer: C. ROM

Explanation:

ROM stands for Read-Only Memory. This type of memory is essential for starting ... Read More Details