Crossword_1

7. allows users to interact with a program in a graphical environment
9. device that converts ac to dc signal
10. a data type that has two possible values: “true” and “false
11. It separates the external aspects of an object from internal implementation details
13. The density of pixels described in pixels per inch.
15. a combined devise for modulation and demodulation
17. a small picture on a computer screen that
18. A directed acyclic graph.
19. uneven delay in the delivery of audio/video packets
20. an intentional stopping or pausing place in a program, put in place for debugging purposes.

1. A repetitive action or command typically created with programming loops.
2. searching technique that takes o(1) time to find a data
3. any business activity using electronic communication when goods and services are exchanged
4. the essential center/core of the computer operating system
5. Another name for a logic chip is -
6. a computer program where you can look up and information on the internet.
8. sharing of attributes and operations among classes based on a hierarchical relationship
12. C language was invented to develop which Operating System.?
14. the amount of time it takes to transfer a word of data to or from the memory
16. A process of reorganizing the data stored on the hard drive