Computer General Knowledge | Computer Facts you should Know about
Computer General Knowledge
1. Who discovered Computer ?
--> Charles Babbage
2. What was the First PC ?
--> MITS Altair 8800, The first personal computer , introduced in 1975.
3.Who is the Mother of Computer Science and Why ?
--> "Ada Lovelace" is the "mother of computer". Because She was the first to recognize the full potential of computing machine and the very first computer programmer.
4. Generations of Computer
--> The first generation 1946-1959. Vaccum Tube Based.
The period of second generation: 1959-1965. Transistor based.
The period of third generation: 1965-1971. Integrated Circuit based.
The period of fourth generation: 1971-1980. VLSI microprocessor based.
The period of fifth generation: 1980-onwards. ULSI microprocessor based.
5. When was the first pc introduced ?
--> IBM's first PC was introduced Aug. 12, 1981. In 1982 "The Computer" was named Machine of the Year by Time magazine.
6.What were the first computers called?
The ENIAC (Electronic Numerical Integrator and Computer) was the first electronic programmable computer built in the U.S
7. What are the four types of Computer ?
The four basic types of computers are there:
Supercomputer.
Mainframe Computer.
Minicomputer.
Microcomputer.
8. Types of Printer
3D Printer
AIO(All in one) Printer
Dot Matrix Printer
Inkjet Printer
Laser Printer
LED Printer
MFP (Multifunction Printer)
Plotter
Thermal Printer
9. First calculating device in Computer
-->Abacus
10.IC chips are usually made of
-->Silicon
11. Bits Stand for --- Binary Digit
12. Types of Various units of memory
Byte
Kilo Byte
Mega Byte
Giga Byte
Tera Byte
Peta Byte
Exa Byte
Zetta Byte
Yotta Byte
Nibble
A Nibble is 4 bits
Byte
Today a byte is 8 bits.
13. World First Microprocessor is
--> Intel 4004
14. What is SQL ?
--> Structured Query Language
15. E-mail (electronic mail) was developed by
--> Ray Tomilson
16. Who is Netizen ?
--> The user of internet who use it often, especially habitual one.
17. Fullform of SMS
--> Short Message Service.
18. What is Scareware ?
--> It is a malware or virus which forces a person to download or buy a computer programs, dangerous software, fake antivirus or protection.
19. What is the nickname for IBM ?
--> The Big Blue is a nickname for IBM (International Business Machines Corporation)
20. Mows is a type of mouse for handicapped people.
21. Green dam is a china's web filter which is a range of categories of websites including one entitled "illegal activities"
20. Mows is a type of mouse for handicapped people.
21. Green dam is a china's web filter which is a range of categories of websites including one entitled "illegal activities"
