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Worksheetsmid exam 18
Total questions: 20
Worksheet time: 40mins
The CPU is responsible for performing arithmetic and logical operations in a computer.
True
False
The mouse is an example of an output device.
true
false
ROM is a type of primary storage that loses data when the computer is turned off.
False
true
A barcarole reader is an input device used to scan barcodes into the system.
true
false
The monitor is an input device that allows users to interact with the computer.
False
true
A hard disk is an example of secondary storage used for long-term data storage.
False
True
A light pen is a device used to interact directly with the screen by drawing or selecting items.
False
True
What is the primary function of the CPU in a computer?
To input data into the system
To perform computations and manage tasks
o store data permanently
To display information on the screen
Which of the following is NOT an input device?
Keyboard
Mouse
Monitor
Scanner
What does ROM stand for in a computer?
Read-Only Memory
Random-Only Memory
Read-Operational Memory
Random Operative Memory
Which of these is an example of secondary storage?
RAM
ROM
Hard Disk
CPU
Which of the following devices is used to capture sound input?
Microphone
Camera
Scanner
Barcode Reader
What is the purpose of a plotter in a computer system?
To produce high-quality text documents
To create high-quality graphics, such as posters
To store data for later use
To display images on the screen
Which unit in the CPU handles the execution of arithmetic and logical operations?
Control Unit
Arithmetic-Logic Unit (ALU)
Register
RAM
Which of these is an example of a primary storage device?
Hard Disk
Optical Disk
ROM
SD Card
Which of these storage devices is used to transfer data between computers and is portable?
Hard Disk
Optical Disk
USB Flash Drive
RAM
How much data is in 1 GB (Gigabyte)?
1024 KB
1024 MB
1024 GB
1024 TB
Which of the following devices uses laser technology to read and write data?
Hard Disk
Optical Disk (CD/DVD)
USB Flash Drive
RAM
___________________ is the brain of the computer.
Random Access Memory
Central Processing Unit (CPU)
Storage devices
___________________allows the user to enter data into the computer.
Keyboard
monitor
speaker
