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- 1. Multiple Choice
The main part of a microcomputer, sometimes called the chassis. It includes the following parts: Motherboard, Microprocessor, Memory Chips, Buses, Ports, Expansion Slots and Cards.
Motherboard
Mouse
System Unit
CPU
- 2. Multiple Choice
The main circuit board of a computer. It contains all the circuits and components that run the computer.
Motherboard
CPU
Optical Drive
RAM
- 3. Multiple Choice
The processor is the main “brain” or “heart” of a computer system. It performs all of the instructions and calculations that are needed and manages the flow of information through a computer.
RAM
Adapter
CPU
Power Supply
- 4. Multiple Choice
It is the computer's working storage space that holds data, instructions for processing and processed data (information) waiting to be sent to secondary storage.
Expansion Bus
CPU
HDD
Primary storage
- 5. Multiple Choice
Installed in the back corner of the PC case, next to the motherboard. It converts 120vac (standard house power) into DC voltages that are used by other components in the PC.
Hard Disk Drive (HDD)
Power Supply Unit (PSU)
Optical Drive
Adapters
- 6. Multiple Choice
A magnetic storage device that is installed inside the computer and used as permanent storage for data.
Optical Drive
Power Supply Unit (PSU
CPU (Central Processing Unit)
Hard Disk Drive (HDD)
- 7. Multiple Choice
A storage device that uses lasers to read data on the optical media.
Optical Drive
Hard Disk Drive (HDD)
Primary storage
System Unit
- 8. Multiple Choice
Is non-volatile, meaning it holds data even when the power is ON or OFF.
RAM
ROM
CPU
PSU
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