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

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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

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3. Which format is used to store data?

A. BCH
B. BCD
C. Binary
D. Decimal

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4. The program written and before being compiled or assembled is called ____________.

A. Start Program
B. Intermediate program
C. Source Program
D. Natural Program

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5. The ________ is the computational center of the CPU.

A. Registers
B. ALU
C. Flip-Flop
D. Multiplexer

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6. The input devices use _______ to store the data received

A. Primary Memory
B. Secondary Memory
C. Buffer
D. External Memory

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7. The I/O devices are connected to the CPU via __________.

A. SDRAM's
B. Control circuits
C. Signals
D. BUS

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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

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9. Which bus is used to connect the monitor to the CPU?

A. Single Bus
B. SCSI Bus
C. Multiple Bus
D. Rambus

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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

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