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