Computer Organization & Architecture MCQs
Computer Organization & Architecture MCQs : This section focuses on "Basics" of Computer Organization & Architecture. These Multiple Choice Questions (MCQ) should be practiced to improve the Computer Organization & Architecture skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.
1. Which of the following is true about Computer Architecture?
A. It acts as the interface between hardware and software.
B. Computer Architecture tells us how exactly all the units in the system are arranged and interconnected.
C. Computer Architecture is concerned with the structure and behaviour of a computer system as seen by the user.
D. It involves Physical Components
View Answer
Ans : A
Explanation: It acts as the interface between hardware and software is true statement and all other statement are related to Computer Organization.
2. Which of the following is true about Computer Organization?
A. It deals with high-level design issues.
B. It involves Logic (Instruction sets, Addressing modes, Data types, Cache optimization).
C. Computer Organization tells us how exactly all the units in the system are arranged and interconnected.
D. None of the Above
View Answer
Ans : C
Explanation: Computer Organization tells us how exactly all the units in the system are arranged and interconnected is true about Computer Organization and all other statement are related to Computer Architecture.
3. Which format is used to store data?
A. BCH
B. BCD
C. Binary
D. Decimal
View Answer
Ans : B
Explanation: BCD format is used to store data.
4. The program written and before being compiled or assembled is called ____________.
A. Start Program
B. Intermediate program
C. Source Program
D. Natural Program
View Answer
Ans : C
Explanation: The program written and before being compiled or assembled is called Source Program.
5. The ________ is the computational center of the CPU.
A. Registers
B. ALU
C. Flip-Flop
D. Multiplexer
View Answer
Ans : B
Explanation: The ALU is the computational center of the CPU.
6. The input devices use _______ to store the data received
A. Primary Memory
B. Secondary Memory
C. Buffer
D. External Memory
View Answer
Ans : C
Explanation: The input devices use buffers to store the data received and when the buffer has some data it sends it to the processor.
7. The I/O devices are connected to the CPU via __________.
A. SDRAM's
B. Control circuits
C. Signals
D. BUS
View Answer
Ans : D
Explanation: The I/O devices are connected to the CPU via BUS.
8. An optimizing Compiler does _________
A. Better compilation of the given piece of code
B. Takes advantage of the type of processor and reduces its process time
C. Does better memory management
D. All of the above
View Answer
Ans : B
Explanation: An optimizing compiler is a compiler designed for the specific purpose of increasing the operation speed of the processor by reducing the time taken to compile the program instructions.
9. Which bus is used to connect the monitor to the CPU?
A. Single Bus
B. SCSI Bus
C. Multiple Bus
D. Rambus
View Answer
Ans : B
Explanation: SCSI BUS is usually used to connect video devices to the processor.
10. Which of the following is used to choose between incrementing the PC or performing ALU operations?
A. Conditional Units
B. Multiplexer
C. Control Codes
D. Memory bus
View Answer
Ans : B
Explanation: The multiplexer circuit is used to choose between the two as it can give different results based on the input.
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