Computer fundamental (60 Quick Tips)

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 machine. 
7. PIN stands for Personal identification number. 
8. Kbps stands for kilobits per second. 
9. Mbps stands for megabits per second. 
10. A port that transmit bits at a called serial port. 
11. A type a port that transmits many bits at a time is called Parallel Port. 
12. LPT stands for line printer. 
13. Examples of of system software are Operating system, Utility programs and Device Devices.
14. Examples of system software are Operating System, are DOS Windows, Unix and Linux.
15. Examples of operating systems are DOS, Windows, Unix and Linux. 
16. Software of antivirus programs are Mcaffee, Avast, Symantec, Norton, AVG and Avira antivirus.
17. Name of two free 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. A Compiler translates the instructions of high level language into machine language as a whole. A program written in high level language is called source code. 
23. A Program in machine language called object program or object code. 
24. Every computer that is a part of a network is called a terminal or node. 
25. A server computer works a s a central computer in a network. 
26. The main types of computer network are : LAN, MAN, and WAN. 
27. HUB is also called concentrator. 
28. HUB is also called multi station access unit or MAU. 
29. NIC stands for Network Interface Card. 
30. Network interface card is also called a LAN CARD or LAN adapter. 
31. Names of three network topologies are star tree and BUS . 
32. In a mesh topology every device is connected directly to all other devices in Network. 
33. In Simplex mode data can flow only in one direction. 
34. In Half-duplex mode data can flow in both direction but not at the same time. 
35. In full duplex mode data can flow in both direction at the same time. 
36. Modem is a device that converts digital signals into analog and analog signals into digital.
37. Modulation is the process of converting digital signal into analog signal. 
38. Demodulation is the process of converting analog signal into digital signal.  
39. Data is the collection of raw facts and figures. 
40. Processed data is called information. 
41. GUI stands for graphical user interface. 
42. Loading and executing multiple programs at the same time is called Multitasking. 
43. Supporting the use of multiple processors is called Multiprocessing. 
44. ARPANET stands for Advance Research Project Agency. 
45. PROTOCOL is the collection of rules. 
46. ISDN stands for integrated Services digital network. 
47. DSL stands for Digital Subscriber Line. 
48. IRC stands for internet Relay Chat.
49. IM stands for instant messaging.
50. Domain name is the unique name given to a website
51. If different parts of same image are linked with different web pages, it is called image map.
52. A web server is a computer that is used to store information for users on the internet.
53. FTP stand for file transfer protocol.
54. Lady ADA is the mother of computer.
55. VINT CERF is the father of Internet.
56. Nibble consists of 4 bits.
57. Google and Yahoo are the two search engines.
58. TCP/IP stands for Transmission control protocol / Internet protocol.
59. One sector on Hard Disk holds 512 bytes.
60. Dos, window and UNIX are three operating systems.