BSCS Computer Architecture and Organization 3

Question 1

What is the purpose of virtual memory?

Accepted Answer

To allow programs to use more memory than physically available

Answer

Virtual memory extends apparent RAM by using disk space, giving each process its own large address space.

Question 2

Which number system uses base 16?

Accepted Answer

Hexadecimal

Answer

Hexadecimal uses 16 symbols (0–9 and A–F) and is commonly used to represent memory addresses and color codes.

Question 3

What does the fetch-decode-execute cycle describe?

Accepted Answer

The fundamental steps a CPU takes to process each instruction

Answer

The fetch-decode-execute cycle is the basic operation cycle in which the CPU retrieves, interprets, and runs each instruction.

Question 4

What is the difference between CISC and RISC architectures?

Accepted Answer

CISC has many complex instructions; RISC has fewer, simpler ones

Answer

CISC (Complex Instruction Set Computer) has many specialized instructions, while RISC uses a small set of simple, fast instructions.

Question 5

What is a register file in a CPU?

Accepted Answer

A small, fast set of storage locations inside the processor

Answer

The register file is a collection of high-speed storage locations within the CPU used to hold operands and intermediate results.

BSCS - Bachelor of Science in Computer Science Practice Test