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How Computers Work
Contributed by: Christie
  • 1. Computers are electronic devices that process data to perform various tasks. They work by using components like the central processing unit (CPU), memory, storage, and input/output devices. When you interact with a computer, input is provided through devices like the keyboard and mouse, which is processed by the CPU. The CPU then executes instructions stored in memory to carry out tasks like running programs or displaying information on the screen. Data is stored in different types of storage devices, such as hard drives or solid-state drives, for later use. Computers communicate with external devices through input/output ports, enabling data transfer. Overall, computers rely on complex hardware and software interactions to function and perform the multitude of tasks we use them for every day.

    What does RAM stand for?
A) Remote Access Memory
B) Real Application Memory
C) Read-Only Memory
D) Random Access Memory
  • 2. Which component stores data long-term on a computer?
A) RAM
B) Hard Drive
C) GPU
D) CPU
  • 3. What does GPU stand for?
A) General Processing Unit
B) Graphical Programming Unit
C) Graphics Processing Unit
D) Graphic Performance Unit
  • 4. What does BIOS stand for?
A) Binary Input/Output System
B) Basic Input/Output System
C) Boost Input/Output System
D) Basic Input/Output Server
  • 5. What is binary code?
A) A system of representing data using only two digits, 0 and 1
B) Triple-digit code for computers
C) A code used for graphic design
D) A code used for programming languages
  • 6. What is an operating system?
A) Hardware that operates the computer
B) A type of computer monitor
C) The physical components of a computer
D) Software that manages computer hardware and software resources
  • 7. What does LAN stand for?
A) Local Automated Network
B) Large Area Network
C) Local Area Network
D) Local Access Network
  • 8. What is a cookie in the context of computer science?
A) A malicious software
B) A small piece of data sent from a website and stored on the user's computer by the user's web browser
C) A type of computer virus
D) A computer programming language
  • 9. What is an IP address used for?
A) To delete files from a computer
B) To identify a device on a network
C) To play online games
D) To speed up internet connection
  • 10. What is a byte?
A) A unit of digital information in computing and telecommunications
B) A unit of measurement for speed
C) A type of computer virus
D) A computer hardware component
  • 11. What does HTML stand for?
A) HyperText Markup Language
B) Hybrid Technology Management Layer
C) High-Tech Machine Language
D) Hardware Testing Master List
  • 12. What is a URL?
A) Universal Recording Label
B) User Recognition Link
C) Uniform Resource Locator
D) Unified Request Log
  • 13. What does SSD stand for?
A) System Server Directory
B) Switching System Database
C) Solid State Drive
D) Secure Storage Device
  • 14. What is the purpose of a URL shortener?
A) To decrypt a URL
B) To create a shorter version of a long URL
C) To change the content of a URL
D) To make a URL longer
  • 15. What is the purpose of a compiler?
A) To manage network connections
B) To control computer hardware
C) To translate high-level programming language code into machine code
D) To store data long-term
  • 16. What is cloud computing?
A) Computing using physical servers only
B) The delivery of computing services over the Internet
C) Storing data on floppy disks
D) Processing data on a standalone computer
  • 17. What is a DNS?
A) Digital Naming Service
B) Distributed Network Source
C) Domain Name System
D) Data Network System
  • 18. What does HTTP stand for?
A) Hypertext Transfer Protocol
B) Hardware Transfer Program
C) Hyperlink Transfer Process
D) High-Tech Programming
  • 19. What is a server?
A) A computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network
B) A computer without an operating system
C) A computer monitor
D) A device used for gaming only
  • 20. What is a pixel?
A) A computer networking component
B) A measurement of storage space
C) The smallest unit of a digital image
D) A type of computer virus
  • 21. What is USB?
A) Universal Serial Bus
B) Unified System Board
C) Ultra Speed Battery
D) User-Specific Browser
  • 22. Which type of memory is non-volatile and retains data even when the power is off?
A) Cache
B) ROM
C) RAM
D) Virtual memory
  • 23. What is the purpose of a UPS (Uninterruptible Power Supply) for a computer system?
A) Improve graphics performance
B) Provide backup power during outages
C) Enhance sound quality
D) Store large data files
  • 24. Which component is responsible for converting digital data into analog signals for transmission over phone lines?
A) Router
B) Server
C) Modem
D) Switch
  • 25. What type of software translates high-level programming languages into machine code?
A) Interpreter
B) Debugger
C) Operating system
D) Compiler
  • 26. Which port is commonly used to connect external hard drives to a computer?
A) HDMI
B) VGA
C) Ethernet
D) USB
  • 27. Which storage device has no moving parts and provides fast data access?
A) HDD
B) CD-ROM
C) Floppy Disk
D) SSD
  • 28. What component in a computer system is responsible for managing power and performing basic hardware checks?
A) RAM
B) CPU
C) BIOS
D) GPU
  • 29. Which entity governs the allocation of domain names and IP addresses on the Internet?
A) ISOC
B) ICANN
C) ITU
D) W3C
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