review
Across
- 4. Malicious software that locks or encrypts a computer’s data and demands payment to restore access.
- 5. Software designed to damage, disrupt, or gain unauthorized access to a computer system.
- 8. A group of chips on the motherboard that control communication between the CPU, memory, and other hardware components.
- 9. stores the actual data being processed.
- 10. A hardware component that processes images and videos and sends them to the monitor.
- 14. The part of the CPU that performs calculations and logical operations.
- 15. A universal character encoding system that represents text from many languages and symbols used worldwide.
- 16. Gate A basic electronic circuit that performs a logical operation (like AND, OR, NOT) on binary inputs.
- 18. A cyberattack where scammers trick people into giving personal information through fake emails or websites.
- 19. The smallest unit of data in a computer, representing either a 0 or a 1.
- 20. A number system that uses only two digits, 0 and 1, which computers use to store and process data.
Down
- 1. A type of malware that secretly records everything a person types on a keyboard.
- 2. A metal device that absorbs and spreads heat away from computer parts to keep them cool.
- 3. A tiny electronic switch that controls the flowof electricity in a computer.
- 6. stores the memory address of data or instructions.
- 7. A unit of data made up of 8 bits. It is important because it is the basic unit used to represent characters like letters and numbers in computers.
- 11. Unit The part of the CPU that directs and coordinates how instructions are carried out in the computer.
- 12. A device that reads or writes data on optical discs such as CDs, DVDs, or Blu-ray discs.
- 13. Small, very fast storage locations inside the CPU used to hold data or instructions temporarily.
- 14. A character encoding system that represents letters, numbers, and symbols using numbers so computers can store text.
- 17. Units used to measure digital storage.