160 Computer Related Question Answers [Computer, Internet & Android]

In today’s post we have shared Computer related question answers which were seen in the past exams. Here we have added Computer, Android and Internet related question answers which will help you in various upcoming competitive exams.

So let’s not waste any more time and read today’s Computer, Internet & Android Question Answers carefully. And prepare for our exams properly.

160 Computer Related Question Answers [Computer, Internet & Android]

1. Who is considered the inventor of the first mechanical calculator?

Ans- Blaise Pascal.

2. Who is the father of modern computers?

Ans- Alan Turing

3. Who created the ENIAC-I computer?

Ans- J.P. Eckert and John Mauchly.

4. In which language does the computer receive instructions?

Ans- Binary language.

5. Who created the EDVAC computer?

Ans- John von Neumann.

6. Who created the first mechanical computer ‘Mark-I’?

Ans- Howard Ekin.

7. Who wrote the first computer program?

Ans- Lady Ada Augusta.

4. What technology was used in the first generation of computers?

Ans- Electronic rods/vacuum tubes.

9. What technology is used in the fifth generation of computers?

Ans- Optical fibers and artificial intelligence (AI).

10. When is Computer Literacy Day celebrated?

Ans- 2nd December.

11. What is the name of India’s first indigenous computer?

Ans- Siddharth.

12. What is a computer?

Ans- An electronic device that processes information.

13. What is the main purpose of computing?

Ans- Information processing.

14. When was ENIAC-I created?

Ans- In 1946.

15. Give an example of a first generation computer language.

Ans- FORTRAN

16. When is transistor used?

Ans- In the second generation (1952-64).

17. When is integrated circuit (IC) used?

Ans- In the third generation (1964-71).

18. Why is a computer called an information processing machine?

Ans- Because it processes input data and gives output.

19. What is used instead of binary bits in quantum computers?

Ans- Q-Bit.

20. Why is the word computer derived from “Compute”?

Ans- “Compute” means to calculate.

21. Where was the first computer installed in India?

Ans- At the Bangalore Main Post Office, on 16 August 1986.

22. Where is India’s first pollution-free computerized petrol pump?

Ans- In Mumbai.

23. What is the name of India’s first personal computer university?

Ans- Rajiv Gandhi Computer University.

24. What is Bangalore also called?

Ans- India’s Silicon Valley.

25. Which was the first Indian newspaper published on the Internet?

Ans- The Hindu.

26. Which was the first Indian magazine published on the Internet?

Ans- India Today.

27. Which was the first political party to publish a website on the Internet?

Ans- Bharatiya Janata Party (BJP).

28. What are the three main types of computers?

Ans- Digital, Analogue and Hybrid.

29. Which is the world’s first supercomputer?

Ans- CRAY K-1S

30. What is ‘Deep Blue’?

Ans- A supercomputer that defeated Garry Kasparov.

31. Which is the world’s first electronic digital computer?

Ans- ENIACI

32. Which is the most popular operating system?

Ans- Android.

33. What does a modem do?

Ans- It connects computers via telephone lines.

34. What kind of problem was Y-2K?

Ans- A technical problem related to dates (Millennium Bug).

35. What are ‘0’ and ‘1’ called in a computer?

Ans- Binary digit or bit.

36. What type of information can a computer understand?

Ans- Bit.

37. How many bits are in a byte?

Ans- 8 bits.

38. How many different symbols can be expressed in a combination of 8 bits at most?

Ans- 256.

39. How many bits are needed to express letters, numbers, and symbols at least?

Ans- 8 bits (1 byte).

40. What is the smallest unit of information?

Ans- Bit.

41. How many bytes is 1 kilobyte?

Ans- 1024 bytes.

42. How many kilobytes is 1 megabyte?

Ans- 1024 kilobytes.

43. How many megabytes is 1 gigabyte?

Ans- 1024 megabytes.

44. How many gigabytes is 1 terabyte?

Ans- 1024 gigabytes.

45. How many terabytes is 1 petabyte?

Ans- 1024 terabytes.

46. How many bits are in a nibble?

Ans- 4 bits.

47. What is the smallest unit of information?

Ans- Bit.

48. What is the largest unit of information?

Ans- Petabyte (PB).

49. What is the speed of a CPU?

Ans- Clock Speed.

50. What is the unit of clock speed in a CPU?

Ans- Hertz.

51. What is the value of 1 MHz?

Ans- 1 million ‘ticks’ per second.

52. What is the value of 1 GHz?

Ans- 1000 MHz.

53. What is Primary Memory called?

Ans- Working memory or main memory.

54. Is Primary Memory volatile or not?

Ans- Yes, primary memory is volatile memory.

55. What is the main function of RAM?

Ans- To read/write data.

56. What is the main function of ROM?

Ans- To store information, which cannot be changed.

57. Is Secondary Memory volatile or not?

Ans- No, secondary memory is non-volatile.

58. What is a floppy disk?

Ans- A plastic disk made of magnetic material.

59. What are the characteristics of a hard disk?

Ans- Similar to a floppy disk, but with a hard material.

60. What is a CD?

Ans- An optical medium that uses the properties of light.

61. What is a USB Flash Drive?

Ans- A removable storage device that is compact and has a high storage capacity.

62. What is the storage capacity of an SD card?

Ans- SD and Micro SD cards are small in size, but their capacity is high.

63. What are input devices?

Ans- Devices used to input data into a computer, for example – keyboard, mouse

64. Which is the most popular input device in contemporary computers?

Ans- Keyboard

65. What type of device is an Optical Mark Reader (OMR)?

Ans- Input device

66. Where is MICR technology used?

Ans- In bank cheques

67. What is the full form of MICR?

Ans- Magnetic Ink Character Recognition

68. What information does a bar code represent?

Ans- Binary digit

69. How does a bar code reader work?

Ans- Detects the bar using light

70. What information can be contained in a bar code?

Ans- Price or expiration date of a product

71. What type of device is a mouse?

Ans- Input device

72. What is the function of a mouse?

Ans- Cursor movement and pointing

73. Which button on the mouse is pressed to select an option?

Ans- One of the mouse’s buttons

74. What type of device is a digital camera?

Ans- Input device

75. What is the full form of VDU?

Ans- Visual Display Unit

76. What is used to display in a VDU?

Ans- Cathode ray tube

77. What is a pixel?

Ans- Picture-elements or tiny dots

78. What does a printer do?

Ans- Prints characters or information on paper

79. How many main types of printers are there?

Ans- 3 – dot matrix, ink-jet, laser

80. How does a dot matrix printer work?

Ans- Prints characters by creating dots using pins

81. How does an ink-jet printer use ink?

Ans- Sprays ink in a stream

82. How does a laser printer work?

Ans- “Burns” characters using a laser beam

83. How are instructions given to a computer in a specific order?

Ans- Program

84. Where can a program be stored?

Ans- In RAM or secondary memory

85. What is the cell with a dark border around it called in MS Excel?

Ans- Active Cell

86. Where do all kinds of mathematical and logical operations take place in a computer?

Ans- ALU (Arithmetic Logic Unit)

87. What is the software that is created for a specific task called?

Ans- Application Software

88. What is the processing of many data at once called?

Ans- Batch Processing

89. What is the full form of BIOS?

Ans- Basic Input Output System

90. What is the abbreviation for Binary Digit?

Ans- Bit

91. What is the software that loads the main part of the operating system called?

Ans- Boot Loader

92. What is the process of viewing a website called?

Ans- Browsing

93. How many Bits are there in a Byte?

Ans- 8 Bits

94. What is the box formed at the intersection of a row and a column called?

Ans- Cell

95. What is the boundary of the Active Cell called?

Ans- Cell Pointer

96. What does copyright mean?

Ans- Refers to the personal property of the owner of any information or object

97. What is the process of making and distributing illegal software copies?

Ans- Counterfeiting

98. What is the person who illegally enters a computer and steals information called?

Ans- Cracker

99. What does CU mean?

Ans- Control Unit

100. What is data?

Ans- Raw data or statistics

101. What is a database?

Ans- Organized collection of information

102. What is the process of collecting data?

Ans- Data Capture

103. What is Query used for?

Ans- It is used to collect information from a database.

104. What is the full form of RDBMS?

Ans- Relational Database Management System.

105. What is Secondary Memory?

Ans- It is the permanent memory of the computer.

106. What is Sorting?

Ans- It is a process of sorting information.

107. What is a virus?

Ans- It is a malicious computer program.

108. What are the two main parts of a computer?

Ans- Hardware and software.

109. What is the function of Operating System?

Ans- It establishes a connection between the user and the computer hardware.

110. What are the two panes of Windows Explorer?

Ans- Drives and folders on the left, the contents of the selected folder on the right.

111. What is Concatenation?

Ans- The process of linking values ​​written in formulas is called Concatenation.

112. What is a database?

Ans- It is a collection of interconnected data.

113. What is MS Access used for?

Ans- It is used to create and manage databases.

114. What is the Internet?

Ans- It is a network consisting of many computers.

115. Who invented the World Wide Web (WWW)?

Ans- Tim Berners-Lee.

116. What are FAT32 and NTFS?

Ans- These are the two main file systems of Windows.

117. What is HTML?

Ans- Hyper Text Markup Language, which is used to create web pages.

118. Name some of the versions of Android from old to new.

Ans- Cupcake → Donut → Eclairs → Froyo → Ginger Bread → Honeycomb → Ice Cream Sandwich → Jelly Beans → KitKat → Lollipop → Marshmallow → Nougat →
Oreo → Pie → Android 10 → Android 11

119. What is spam?

Ans- Spam is unnecessary or unwanted emails, usually sent for advertising purposes.

120. What is cloud computing?

Ans- Cloud computing is the provision of on-demand software, hardware, and data storage services over the Internet.

121. What is MS Excel used for?

Ans- MS Excel is used for numerical and statistical calculations.

122. CAD/CAM systems are based on which technology?

Ans- CAD/CAM systems are based on interactive computer graphics.

123. What is DES?

Ans- DES (Data Encryption Standard) is a Fistel cipher based encryption algorithm that uses a 64 bit block size and 16 rounds.

124. What is the Banker algorithm?

Ans- Banker algorithm is a deadlock avoidance algorithm developed by Edsger W. Dijkstra.

125. What is a gateway used for?

Ans- Gateways are used to establish a connection between two different protocol based networks.

126. What is a half byte called?

Ans- A half byte is called a ‘nibble’, which means 4 bits.

127. How many rows and columns does MS Excel version 12.0 support?

Ans- MS Excel version 12.0 supports 10,48,576 rows and 16,384 columns.

128. Where is the robot named Pepe used?

Ans- The robot named Pepe was used to wash the hands of children in a primary school in Kerala.

129. What is the full form of NCMC?

Ans- The full form of NCMC is National Common Mobility Card

130. Which organization has launched the CVIGIL app?

Ans- The CVIGIL app has been launched by the Election Commission of India.

131. What is the objective of the VISHWAS project?

Ans- The objective of the VISHWAS project is to improve law and order control and crime detection through video analysis and forensics.

132. What is gutter margin?

Ans- Gutter margin is a margin that helps to keep text hidden due to binding visible.

133. What is IC?

Ans- IC (Integrated Circuit) is a small chip that can act as an amplifier, oscillator, microprocessor, etc.

134. What was the name of the first web browser?

Ans- The name of the first web browser was WorldWideWeb, later known as Nexus.

135. What is e-Pramaan?

Ans- e-Pramaan is a type of e-authentication framework, which ensures secure services for citizens.

136. What is e-Sign?

Ans- e-Sign is a digital signature service, which was launched in 2015 and allows signing documents through API.

137. What is e-Sangam?

Ans- e-Sangam is an intermediate infrastructure, which connects applications of different departments with each other.

138. When was the National Knowledge Network (NKN) established?

Ans- National Knowledge Network (NKN) was established in 2010.

139. What is UMANG application?

Ans- UMANG is a single mobile application that provides various services of the Central and State Governments.

140. What is the full form of CDAC?

Ans- Centre for Development of Advanced Computing

141. What is the full form of C-DOT?

Ans- Centre for Development of Telematics

142. What is the full form of HTTP?

Ans- Hyper Text Transfer Protocol

143. What type of memory is ROM?

Ans- Read Only Memory

144. What is the function of RAM?

Ans- Random Access Memory

145. What is the full form of BIOS?

Ans- Basic Input-Output System

146. What is the full form of the word MODEM?

Ans- Modulation-Demodulation

147. What is CAD?

Ans- Computer Aided Design

148. What is the full form of PSTN?

Ans- Public Switched Telephone Network

149. What does PSPDN mean?

Ans- Packet Switched Public Data Network

150. What does LAN mean?

Ans- Local Area Network

151. What is the full form of WAN?

Ans- Wide Area Network

152. What is the full form of MAN?

Ans- Metropolitan Area Network

153. What is the full form of E-Mail?

Ans- Electronic Mail

154. What is CPU?

Ans- Central Processing Unit

155. What is the full form of CAM?

Ans- Computer Aided Manufacturing

156. What does CATScan mean?

Ans- Computerised Axial Tomography Scan

157. What is COBOL?

Ans- Common Business Oriented Language

158. What is the full form of COMAL?

Ans- Common Algorithmic Language

159. What does DOS mean?

Ans- Disc Operating System

160. Which is the world’s first electronic digital computer?

Ans- ENIACI

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