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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) CPU
B) GPU
C) RAM
D) Hard Drive
  • 3. What does GPU stand for?
A) Graphics Processing Unit
B) Graphic Performance Unit
C) Graphical Programming Unit
D) General Processing 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) Triple-digit code for computers
B) A system of representing data using only two digits, 0 and 1
C) A code used for graphic design
D) A code used for programming languages
  • 6. What is an operating system?
A) The physical components of a computer
B) Software that manages computer hardware and software resources
C) A type of computer monitor
D) Hardware that operates the computer
  • 7. What does LAN stand for?
A) Local Access Network
B) Large Area Network
C) Local Automated Network
D) Local Area Network
  • 8. What is a cookie in the context of computer science?
A) A malicious software
B) A type of computer virus
C) A small piece of data sent from a website and stored on the user's computer by the user's web browser
D) A computer programming language
  • 9. What is an IP address used for?
A) To play online games
B) To delete files from a computer
C) To speed up internet connection
D) To identify a device on a network
  • 10. What is a byte?
A) A computer hardware component
B) A type of computer virus
C) A unit of measurement for speed
D) A unit of digital information in computing and telecommunications
  • 11. What does HTML stand for?
A) Hybrid Technology Management Layer
B) HyperText Markup Language
C) Hardware Testing Master List
D) High-Tech Machine Language
  • 12. What is a URL?
A) Universal Recording Label
B) User Recognition Link
C) Unified Request Log
D) Uniform Resource Locator
  • 13. What does SSD stand for?
A) Switching System Database
B) Secure Storage Device
C) Solid State Drive
D) System Server Directory
  • 14. What is the purpose of a URL shortener?
A) To decrypt a URL
B) To make a URL longer
C) To create a shorter version of a long URL
D) To change the content of a URL
  • 15. What is the purpose of a compiler?
A) To control computer hardware
B) To translate high-level programming language code into machine code
C) To store data long-term
D) To manage network connections
  • 16. What is cloud computing?
A) The delivery of computing services over the Internet
B) Storing data on floppy disks
C) Computing using physical servers only
D) Processing data on a standalone computer
  • 17. What is a DNS?
A) Distributed Network Source
B) Digital Naming Service
C) Domain Name System
D) Data Network System
  • 18. What does HTTP stand for?
A) Hardware Transfer Program
B) Hyperlink Transfer Process
C) Hypertext Transfer Protocol
D) High-Tech Programming
  • 19. What is a server?
A) A device used for gaming only
B) A computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network
C) A computer monitor
D) A computer without an operating system
  • 20. What is a pixel?
A) A type of computer virus
B) The smallest unit of a digital image
C) A measurement of storage space
D) A computer networking component
  • 21. What is USB?
A) User-Specific Browser
B) Ultra Speed Battery
C) Unified System Board
D) Universal Serial Bus
  • 22. Which type of memory is non-volatile and retains data even when the power is off?
A) ROM
B) Cache
C) Virtual memory
D) RAM
  • 23. What is the purpose of a UPS (Uninterruptible Power Supply) for a computer system?
A) Improve graphics performance
B) Enhance sound quality
C) Provide backup power during outages
D) Store large data files
  • 24. Which component is responsible for converting digital data into analog signals for transmission over phone lines?
A) Modem
B) Switch
C) Server
D) Router
  • 25. What type of software translates high-level programming languages into machine code?
A) Compiler
B) Interpreter
C) Operating system
D) Debugger
  • 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) SSD
B) CD-ROM
C) Floppy Disk
D) HDD
  • 28. What component in a computer system is responsible for managing power and performing basic hardware checks?
A) BIOS
B) GPU
C) CPU
D) RAM
  • 29. Which entity governs the allocation of domain names and IP addresses on the Internet?
A) W3C
B) ISOC
C) ITU
D) ICANN
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