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1. Which component is often referred to as the 'brain' of the computer?
Choose the correct option:

  • a) Motherboard

  • b) CPU

  • c) RAM

  • d) Hard Drive

The CPU (Central Processing Unit) carries out instructions and processes data, acting as the 'brain' of the computer.

2. What does 'RAM' stand for in computer terminology?
Choose the correct option:

  • a) Read Access Memory

  • b) Random Arithmetic Machine

  • c) Random Access Memory

  • d) Read Arithmetic Memory

RAM stands for Random Access Memory, which is volatile memory used for temporary data storage.

3. Which of the following is a non-volatile memory type?
Choose the correct option:

  • a) ROM

  • b) Cache

  • c) Register

  • d) RAM

ROM (Read-Only Memory) retains stored data even when the computer is turned off, making it non-volatile.

4. In binary, the number of bits used to represent a single character in ASCII is typically:
Choose the correct option:

  • a) 4 bits

  • b) 8 bits

  • c) 12 bits

  • d) 16 bits

Standard ASCII is represented by 7 bits, but often stored in 8-bit bytes.

5. Which of these is NOT an input device?
Choose the correct option:

  • a) Keyboard

  • b) Mouse

  • c) Printer

  • d) Scanner

A printer is an output device, as it produces a physical copy of digital data.

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