Topic 4: Inside the computer

What is the system unit in a computer?

• A software program that manages files

• A case that contains the electronic components used to process data

• An input device like a mouse or keyboard

• A display screen for visual output

What is a chip in computer hardware?

• A plastic casing for wires

• A device used for cooling the CPU

• A small piece of semiconducting material with integrated circuits

• A metal plate used in processors

What is another name for the processor in a computer?

• Hard drive

• Motherboard

• Graphics card

• Central Processing Unit (CPU)

How many basic operations are included in a machine cycle?

• Two

• Three

• Four

• Five

What is the full form of EBCDIC?

• Electronic Binary Code for Data Input and Control

• Extended Binary Coded Decimal Interchange Code

• Enhanced Bit Code for Decimal Internet Communication

• Encoded Binary Communication for Digital Interface

Digital signals differ from analog signals because they:

• Are in one of two states: on or off

• Are continuous and always changing

• Use waves to transmit sound only

• Use infinite values for processing

What is memory in a computer system?

• A device used to print documents

• A tool for managing internet access

• The part of the computer that controls sound output

• Electronic components that store instructions, data, and information

What is cache in a computer system?

• A program that controls input devices

• A type of memory that stores frequently used instructions and data

• A graphic design tool

• A storage device for music files

What is the main function of a bus in a computer system?

• To allow communication between devices inside and attached to the system unit

• To display images on the monitor

• To cool down the processor

• To store user files permanently

Expansion slots allow users to:

• Clean their computer's storage

• Update the BIOS

• Add new hardware features like video or sound capabilities

• Install a new operating system