Computer Fundamentals, Generations & Hardware — Practice

Question 1

The third generation of computers was based on:
(a) Vacuum tubes  (b) Transistors  (c) Integrated Circuits  (d) Microprocessors

Accepted Answer

3rd generation used Integrated Circuits (ICs).

Answer: (c) Integrated Circuits.

Question 2

Which part of the CPU carries out arithmetic and logical operations?
(a) CU  (b) ALU  (c) Register  (d) Cache

Accepted Answer

The ALU (Arithmetic & Logic Unit).

Answer: (b) ALU.

Question 3

Which of these is volatile memory?
(a) ROM  (b) Hard disk  (c) RAM  (d) SSD

Accepted Answer

RAM is volatile — it loses contents on power-off.

Answer: (c) RAM.

Question 4

1 KB equals how many bytes (computing convention)?
(a) 1000  (b) 1024  (c) 8  (d) 512

Accepted Answer

1 KB = 1024 bytes (2^10).

Answer: (b) 1024.

Question 5

The binary number 1101 equals which decimal value?
(a) 11  (b) 12  (c) 13  (d) 15

Accepted Answer

8 + 4 + 0 + 1 = 13.

Answer: (c) 13.

Question 6

Which of the following is system software, not hardware?
(a) CPU  (b) Operating system  (c) RAM  (d) Printer

Accepted Answer

The operating system is software; the rest are physical hardware.

Answer: (b) Operating system.

Practice — Computer Fundamentals, Generations & Hardware