Computer Architecture Quiz
Practice quiz on Computer Architecture (Computer Science). 10 exam-style questions with explanations.
About This Quiz
Computer Architecture Quiz — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.Which unit of the CPU performs arithmetic and logical operations?
- A.Register
- B.Cache
- C.CU
- D.ALU
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Answer: D. ALU
The ALU performs arithmetic and logic operations.
Q2.Which unit controls and coordinates all CPU operations?
- A.Control Unit
- B.RAM
- C.ROM
- D.ALU
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Answer: A. Control Unit
The Control Unit directs the flow of data and instructions.
Q3.Who proposed the stored-program computer architecture?
- A.Alan Turing
- B.Charles Babbage
- C.John von Neumann
- D.Blaise Pascal
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Answer: C. John von Neumann
Von Neumann architecture stores program and data in the same memory.
Q4.Which memory is the fastest?
- A.Hard disk
- B.RAM
- C.Pen drive
- D.Cache
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Answer: D. Cache
Cache memory is the fastest.
Q5.Which is a volatile memory?
- A.ROM
- B.Hard disk
- C.SSD
- D.RAM
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Answer: D. RAM
RAM loses its content when power is off.
Q6.The smallest storage unit in a computer is
- A.Bit
- B.Nibble
- C.Word
- D.Byte
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Answer: A. Bit
A bit is the smallest unit of data.
Q7.How many bits are there in one byte?
- A.8
- B.4
- C.32
- D.16
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Answer: A. 8
1 byte = 8 bits.
Q8.Which bus carries the address of memory locations?
- A.Control bus
- B.Data bus
- C.Address bus
- D.Power bus
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Answer: C. Address bus
The address bus carries memory addresses.
Q9.The CPU registers are located
- A.On the hard disk
- B.In the monitor
- C.Inside the CPU
- D.In the keyboard
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Answer: C. Inside the CPU
Registers are small, fast storage inside the CPU.
Q10.RISC stands for
- A.Reduced Internal Set Computer
- B.Random Instruction Set Computer
- C.Rapid Instruction Set Computer
- D.Reduced Instruction Set Computer
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Answer: D. Reduced Instruction Set Computer
RISC uses a small, simple instruction set.
Frequently Asked Questions
Is Computer Architecture Quiz free to attempt on AajExam?
Yes. Computer Architecture Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Computer Architecture Quiz?
Computer Architecture Quiz runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Computer Architecture Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Computer Architecture Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Computer Architecture questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.