Unit 2

What are the four main functions of a computer system?

Input, process, output, storage.

What does a byte represent in computer language?

Eight bits combined together.

What is binary language?

A system of representing data using two states: 0 and 1.

What is a bit?

The smallest unit of data in a computer, representing a binary digit (0 or 1).

How is data processed into information?

By manipulating or organizing data into a meaningful format.

What device is used for inputting sound into a computer?

Microphone.

What does RAM stand for?

Random Access Memory.

What type of printer uses toner for printing?

Laser printer.

What is cloud storage?

Storage that allows files to be stored online for access across devices.

What is the primary advantage of using SSDs over conventional hard drives?

SSDs have no moving parts, making them more durable and faster.

What does LCD stand for?

Liquid Crystal Display.

Describe the function of the CPU in a computer.

The Central Processing Unit controls all functions of the computer, processing instructions and data.

What is the main purpose of a motherboard?

It is the primary circuit board that holds the CPU, memory, and other essential components.

What is the difference between application software and system software?

Application software helps users carry out tasks, whereas system software supports and manages the hardware and software of the computer.

What does hibernate mode do?

It saves the current session to the hard drive and completely powers off the computer, conserving more energy than sleep mode.

What is e-waste?

Broken or unwanted computer products that require proper disposal to avoid environmental hazards.

What is meant by 'ergonomics' in computing?

The science of designing equipment and workspaces to reduce discomfort and prevent injury.

What is the function of a scanner in a computer system?

To digitize images for editing or processing in the computer.