What is a Computer?
Definition & Basics
Which of the following best defines a computer?
A. A machine that only stores data
B. An electronic machine that takes input, processes it, and gives output
C. A calculator for solving math problems only
D. A device that only plays games
Which of the following is NOT an example of computer input?
A. Typing on a keyboard
B. Clicking with a mouse
C. Watching a video
D. Speaking into a microphone
Saving your assignment on a USB is an example of:
A. Input
B. Processing
C. Storage
D. Output
Watching YouTube on a laptop is an example of:
A. Input
B. Processing
C. Output
D. Storage
Main Features of a Computer
The term MIPS refers to:
A. Million Instructions Per Second
B. Mega Information Processing System
C. Memory Input Processing Storage
D. Machine Instructions Per Storage
Which feature of a computer allows it to do millions of calculations per second?
A. Accuracy
B. Speed
C. Automation
D. Storage
If you give wrong data to a computer, the output will be wrong. This is called:
A. CPU Error
B. Human Error
C. Garbage In, Garbage Out
D. Logic Fault
Which feature of a computer lets it store huge amounts of data for future use?
A. Automation
B. Storage
C. Multitasking
D. Accuracy
Printing 100 pages without user help after one command is an example of:
A. Automation
B. Multitasking
C. Accuracy
D. Speed
Listening to music while typing and browsing at the same time is an example of:
A. Automation
B. Accuracy
C. Multitasking
D. Storage
Basic Parts of a Computer
Which of the following is hardware?
A. MS Word
B. Google Chrome
C. Keyboard
D. Windows 11
Software refers to:
A. Physical parts of a computer
B. Devices used for input and output
C. Programs that give instructions to hardware
D. Storage media
Input Devices
Which device is used for typing letters and numbers?
A. Mouse
B. Keyboard
C. Scanner
D. Monitor
The device that converts printed text into digital form is:
A. Webcam
B. Scanner
C. Microphone
D. Printer
A microphone is used to:
A. Enter sound into the computer
B. Output audio from the computer
C. Record video
D. Scan documents
A webcam is used to input:
A. Sound
B. Video or images
C. Text only
D. Files from a USB
CPU (Central Processing Unit)
CPU is also known as the:
A. Storage hub
B. Brain of the computer
C. Memory center
D. Control storage unit
Which part of the CPU performs mathematical and logical operations?
A. CU
B. ALU
C. Registers
D. ROM
The part of the CPU that controls all parts of the computer is:
A. ALU
B. CU
C. Register
D. BIOS
Which CPU component stores small amounts of data for quick access?
A. Registers
B. ALU
C. CU
D. Cache
Output Devices
Which device displays images and videos like a TV screen?
A. Projector
B. Printer
C. Monitor
D. Speaker
Which device prints documents and pictures on paper?
A. Monitor
B. Printer
C. Projector
D. Scanner
Which device outputs sound from a computer?
A. Microphone
B. Speaker
C. Projector
D. Webcam
Which device displays a computer screen on a large wall?
A. Monitor
B. Projector
C. Printer
D. Scanner
Storage Devices
Which of the following is not a storage device?
A. Hard Drive
B. USB Flash Drive
C. DVD
D. Mouse
What is the maximum capacity of a standard hard drive mentioned in the content?
A. 700 MB
B. 4 TB or more
C. 256 GB
D. 128 GB
A DVD can store up to:
A. 4.7 GB
B. 128 GB
C. 256 GB
D. 2 GB
Memory cards are usually:
A. Permanent storage
B. Portable storage
C. Output devices
D. CPU components
Types of Computers
Which type of computer is used by banks to process large amounts of data?
A. Personal computer
B. Mainframe computer
C. Supercomputer
D. Tablet
Which type of computer is the most powerful and used for weather forecasting?
A. Mainframe
B. Laptop
C. Supercomputer
D. Personal computer
A smartphone is an example of a:
A. Mainframe computer
B. Tablet/small computer
C. Supercomputer
D. Microprocessor
Uses of Computers
Using a computer for online learning and research falls under:
A. Business
B. Education
C. Banking
D. Healthcare
ATM services are an example of computers used in:
A. Healthcare
B. Banking
C. Education
D. Entertainment
Watching movies and playing games is a computer use in:
A. Science & Technology
B. Education
C. Entertainment
D. Business
Storing patient data in a hospital is an example of:
A. Entertainment
B. Banking
C. Healthcare
D. Education
Importance of Learning Computers
Which is not a reason why learning computers is important?
A. Writing assignments
B. Applying for jobs
C. Cooking food
D. Doing research
Which statement is correct about computers today?
A. They are rarely used in offices
B. They are an essential part of daily life
C. They are only for scientists
D. They work only with the internet
