Computer Fundamentals Quick Tips 2017 - (Part 1)
1. MMC stands for multimedia card.
2. SD stands for secure digital card.
3. System Bus is used to connect main components of a computer such as cpu and main memory.
4. A port is an interface or a point of attachments.
5. POS stands for point of sale terminal.
6. ATM stands for automated teller machines.
7. PIN stands for personal identification number.
8. Kbps stands for kilobytes per second.
9. Mbps stands for megabytes per second.
10. A port that transmits one bit at a time is called Serial Port.
11. A type of port that transmits many bits at a time is called parallel port.
12. LPT stands for Line printer.
13. Examples of system software are Operating system, utility programs and device drivers.
14. Examples of operating systems are DOS, Windows, Unix and Linux.
15. Examples of Utility programs are file manager, image viewer, disk scanner and file compressor.
16. Software used to detect and remove viruses is called antivirus.
17. Examples of antivirus programs are Mcaffee, Avast, Symantec, Norton, AVG and Avira antivirus.
18. Name of two free antivirus programs are Avast and Avira.
19. Instructions of Machine language are written in binary form.
20. Assembly language is a low level language.
21. Names of high level languages are C, C++, Java, BASIC and COBOL.
22. SQL stands for structured query language.
23. A compiler translatess the instructions of high level language into machine language as a whole.
24. A program written in high level language is called source code.
25. A program in machine language is called object program or object code.
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