01. What type of devices are computer speakers and headphones?
Answer: Output device
02. Who discovered Unix operating system?
Answer: Dennis Ritchie
03. What is the full form of ASCII?
Answer: American Standard Code for Information Interchange
04. What is the full form of USB?
Answer: Universal Serial Bus
05. What is the full form of WWW?
Answer: World Wide Web
06. Who invented computer mouse?
Answer: Douglas Engelbart
07. Who invented QWERTY type Keyboard?
Answer: Christopher Sholes
08. Who invented Compact Disc (CD)?
Answer: James Russell
09. Who is known as the Father of Internet?
Answer: Vint Cerf
10. Who is known as the Father of World Wide Web?
Answer: Tim Berners Lee
11. Who invented Integrated Circuit (IC) chips?
Answer: Jack Kilby and Robert Noyce
12. Which is the Super Computer developed by India?
Answer: Param
13. Conversion of computer generated result into human acceptable form is a function of:
Answer: Output interface
14. Which type of files having the extensions .jpg, .png, .gif etc?
Answer: Image files
15. What is the full form of pdf?
Answer: Portable Document Format
16. A device that connects to a computer network without the use of cables is said to be:
Answer: Wireless
17. The exponent of Hotmail?
Answer: Sabeer Bhatia
18. Which of the following is a Web Browser?
(a) Unix
(b) Linux
(c) Fire fox
(d) Android
Answer: Fire fox
19. Which one of the following is a standard code used to exchange information among data processing and communication system?
(a) ANSI
(b) ASCII
(c) ACM
(d) APL
Answer: ASCII
20. The .......... of system includes the programs and instructions?
(a) Icon
(b) Hardware
(c) Software
(d) Information
Answer: Software
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