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WorksheetsReview for ICT 9
Total questions: 25
Worksheet time: 13mins
Which component is considered the “brain” of the computer?
CPU
RAM
AVR
PSU
What is the main function of the CPU in a computer system
store data
display data
process data
input data
Which of the following DOES NOT belong to the group?
Mouse
Keyboard
Web browser
Scanner
Which of the following best explains why the motherboard is considered the backbone of a computer system?
It stores all data and keeps all the information
It connects and allows communication between all components
it provides the system unit with power and supplies it to other peripherals
It displays output to the monitor and prints documents
Which of the following item is NOT typically located inside the system unit?
CPU
RAM
PSU
AVR
What component converts electrical energy to power computer components?
Central Processing Unit
Motherboard
Power Supply Unit
Cooling System
Which component directly affects the speed of opening application?
RAM
PSU
AVR
USB
Which of the following is NOT an example of an input device?
Speaker
Keyboard
Mouse
Scanner
Which device is used to scan printed text into a computer?
Speaker
Monitor
Projector
Scanner
What is the primary function of an output device?
enter data into the computer
store data temporarily
display or present processed data
delete data permanently
Which situation best demonstrates the proper use of a multimeter in computer servicing?
Measuring the size of a nut and screw
Checking the voltage output of a power supply
Removing a jumper from the motherboard
Cleaning the fan blades and monitor
Which of the following is NOT an output device
Plotter
Projector
Webcam
Speaker
A teacher wants to project her presentation to the entire class. Which output device should she choose?
Plotter
Printer
Projector
Scanner
Which of the following is a NOT a secondary storage device?
HDD
CD
DVD
RAM
RAM saves data only when the computer is powered on. What does this tell you about RAM’s characteristics?
RAM is a permanent storage
RAM is a portable storage
RAM is a temporary storage
RAM is an external storage
Which of the following group consists of ONLY storage devices?
scanner, keyboard, mouse, microphone
CD, DVD, SSD, HDD
monitor, printer, speaker, plotter
scanner, keyboard, monitor, printer
Which software is best for editing photos?
Web Browser
Word Processor
Graphic Software
Presentation Software
What is the main function of the desktop screen?
To store files
To display icons/user interface
To print and display documents
To connect to the Internet
Which icon is commonly used to keep deleted files
Which keys make up the home row for the left hand?
A, S, D, F
J, K, L, ;
Z, X, C, V
Q, W, E, R
Which finger should you use to press the spacebar?
Ctrl + S
Ctrl + Z
Alt + Tab
Ctrl + A
