#1
What does CPU stand for?
Central Processing Unit
ExplanationThe main component that executes instructions in a computer.
#2
Which of the following is NOT a type of computer?
Peripheral Computer
ExplanationPeripheral devices are not standalone computers but rather accessories.
#3
What is the purpose of an operating system (OS) in a computer?
To manage hardware and software resources
ExplanationOS coordinates and controls computer resources.
#4
Which of the following is NOT a programming language?
Linux
ExplanationLinux is an operating system, not a programming language.
#5
What is the function of a compiler in programming?
To convert high-level language to machine code
ExplanationCompilers translate human-readable code into machine-executable instructions.
#6
Which of the following is NOT a component of a computer network?
Browser
ExplanationBrowsers are applications used to access the internet, not network components.
#7
What is the primary function of RAM in a computer?
Temporary storage of data
ExplanationRAM stores data temporarily for quick access by the CPU.
#8
What does HTML stand for?
Hyper Text Markup Language
ExplanationA markup language used for creating web pages.
#9
What is the purpose of a firewall in computer security?
To protect against unauthorized access
ExplanationFirewalls filter and block unauthorized network traffic.
#10
What does GUI stand for?
Graphical User Interface
ExplanationA visual interface that allows users to interact with computers.
#11
What is the purpose of a modem in networking?
To convert digital signals to analog signals
ExplanationModems enable digital devices to communicate over analog telephone lines.
#12
What is the difference between HTTP and HTTPS?
HTTPS encrypts data for secure transmission
ExplanationHTTPS adds a layer of security through encryption, unlike HTTP.
#13
Which of the following is an example of an input device?
Scanner
ExplanationScanners are used to input data into a computer.
#14
Which of the following is an example of secondary storage?
Hard Disk Drive (HDD)
ExplanationHDDs provide long-term storage for data.
#15
What is the purpose of an SSD in a computer?
To provide permanent storage
ExplanationSSDs offer non-volatile storage for data and applications.
#16
Which of the following is NOT a web browser?
Microsoft Excel
ExplanationMicrosoft Excel is a spreadsheet application, not a web browser.
#17
What does CPU cache do?
Provides temporary storage for frequently accessed data
ExplanationCPU cache speeds up data access by storing frequently used instructions.