100 Basic Computer Knowledge Questions and Answers: Basic computer knowledge section covers many important questions for IBPS PO, SSC, SBI and RBI like exams and other competitive exams. G.K
1. Father of the computer–Charles Babbage-Analytical Engine.
2. Father of the modern computer – Alan Turing.
3. Father of Artificial Intelligence (AI)-John McCarthy.
4. Father of Motherboard-Reed Ghazala.
5. First Programmer: Lady Ada Lovelace (1880).
6. First Electronic Computer: ENIAC (1946) – J.P. Eckert & J.W. Mauchly.
7. First computer for the home user introduced – IBM in 1981.
8. First Microprocessor-Intel 4004.
9. First Generation Computers (1940-56) used Vacuum Tubes.
10. Second generation of computers (1956-63) used transistors.
11. Third generation of computers (1964-71) used integrated circuits.
12. Fourth generation of computers (1971-80) used microprocessor (VLSIC).
13. Fifth generation of computers (present & Beyond) used Artificial Intelligence (AI).
14. When is World Computer Literacy Day?
December 2
15. Who Invented the Mechanical Calculator known as Pascaline?
Blaise Pascal
16. Who Invented WWW (World Wide Web)?
Sir Tim Berners-Lee (1989)
17. A typical modern computer uses?
LSI chips
18. Another name of internet is?
Cyberspace
19. Which of the following is a part of the Central Processing Unit?
Arithmetic Logic Unit
Basic Computer Knowledge Questions and Answers
20. How much is 1 byte, kilobyte, megabyte, gigabyte, etc.?
1 Bit is 1 or 0.
1 Nibble is 4 bits.
1 Byte is 8 bits.
1 KB is 1,024 bytes.
1 MB is 1,024 kilobytes.
1 GB is 1,024 Megabytes.
1 TB is 1,024 Gigabytes.
1 PB is 1,024 Terabyte.
1 EB is 1,024 petabyte.
1 ZB is 1,024 Exabyte.
1 YB is 1,024 zettabyte.
21. Who is Called Livewares?
People who work with Computers
22. Which Computer Unit Performs all Mathematical and Logical Functions?
Central Processing Unit (CPU)
23. What do the letters ASCII stand for?
American Standard Code for Information Interchange
24. Which Electronic Components were used in First Generation Computer?
Vacuum Tubes
25. Programs stored in ROM are called?
Firmware
26. Which is a secondary memory device?
Floppy disk
27. Which Program runs on a Computer when Computer Boots up?
Operating System
28. A collection of eight bits is called?
Byte
29. A BIT represents a?
Binary digit
30. An internet address is ________ bits in length
32 bits
Basic Computer Knowledge Questions and Answers
31. How many bits are used in the data bus?
16
32. A half byte is known as?
Nibble
33. 1KB is equal to:
1024 bytes
34. What are the 10 input devices?
1.Keyboard
2.Mouse
3.Joy Stick
4.Light pen
5.Scanner
6.Graphic Tablet
7.Microphone
8.Optical Character Reader(OCR)
9.Bar Code Reader
10.Optical Mark Reader(OMR)
35. What are the 10 output devices?
1. Monitor
2. Printer
3. Plotter
4. Multimedia and Screen Projector
5. Speakers.
6. Headphone
7. Sound Card
8. Video Card
9. GPS
10. Speech Synthesizer
36. What was the First Version of Windows called?
Interface Manager(1983)
37. C, BASIC, COBOL, and Java are examples of ______ languages?
high-leve
38. Which Technology is used in a CD Drive?
Optical Laser
39 What is a light pen?
Optical input device
40. Which type of Software are MS Office?
Application Software
41. A connection from one HTML document to another HTML document is called?
hyperlink
42. A hacker contacts you my phone or email and attempts to acquire your password?
phishing
43. What key links records from one database table to a record or records in another database table?
Foreign key
44. What is the Name of the Process when the Operating System Runs?
Booting
45. What is the domain used for non-profitable organizations?
(.org)
46. The process of trading goods over the Internet is known as?
e-commerce
47. A modem is not needed when accessing the Internet through?
LAN
48. What is the minimum bandwidth required for broadband connection?
256 kbps
49. What should be minimum requirement of random access memory (RAM) for internet access?
32 MB
50. What type of network is commonly used in a college lab environment?
LAN
Basic Computer Knowledge Questions and Answers
51. What type of network is commonly used in an international organization?
WAN
52. Voice over IP (Voice over Internet Protocol or “VoIP”) technology converts voice calls from?
Analog to digital
53.The Central Processing Unit (CPU) consists of?
Control unit, arithmetic-logic unit, primary storage
54. Which Programming Language was used by the First Generation Computers?
Machine language
55. Reusable optical storage will typically have the acronym?
RW
56. Which Programming Language was used by the Second Generation Computers?
Assembly language
57. Which device can understand difference between data & programs?
Microprocessor
58 What type of graphical model is used to define a database?
E-R diagram
59. What key distinctly identifies a record in a database table?
Primary key
60. Who is known as the Human-Computer of India?
Shakuntala Devi
61. Debugging tools are there to debug errors in?
Programs
62. ______ are used to identify a user who returns to a Web site.
Cookies
63. What is human thinking system?
Artificial intelligence
64. Which Programming Language is used by Apple Computers?
Swift Language
65. Name the Computer Engineer who received Nobel Prize for literature in 2003?
J.M. Coetzee
66. When you link one database table to another database table, what are you creating?
Relationships
67. Name the first general-purpose electronic computer.
U N I V A C
68. Which Electronic Device Processes the Data converting it into Information?
Processor
69. ______ converts all the source code into machine code, creating an executable file?
compiler
70. What are the Three Types of Computer Bus?
Data Bus
Control Bus
Address Bus
Basic Computer Knowledge Questions and Answers
71. A new solution USB allows a user to install up to how many devices on the computer?
127
72. A port address in TCP/IP is ______ bits long.
16
73. A recently created additional top-level domain name is ?
Dot Pro (.pro)
74. What does BIOS stand for?
Basic Input/Output System
75. What type of memory is RAM?
Main
76. __________ provides full transport layer services to applications.
TCP
77. JavaScript was developed by
Netscape
78. Where is Temporary Data stored in a Computer?
Random Access Memory (RAM)
79. Ethernet uses a ______ physical address that is imprinted on the network interface card (NIC).
6-byte
80. MCI and AT&T are examples of?
Internet service providers
81. The communication line between C P U memory and peripherals is called a?
Bus
82. For dial up internet connection, a computer must have:
Modem
83. IC chips used in computers are usually made of:
Silicon
84. The control unit controls other units by generating?
Control Signals
85. Which address doesn’t change every day ?
static IP address
86. Where is Permanent Data stored in a Computer?
Hard Drive or Solid State Drive (SSD)
87. _______are text files containing OS commands.
Batch files
88. Name of the World’s First Successful Electronic Computer?
Electronic Numerical Integrator and Computer(ENIAC)
89. What is “green computing?”
Environmentally sensible computing
90. Which language is directly understood by the computer without a translation program?
Machine Language
Basic Computer Knowledge Questions and Answers
91. Storage mapping is done by
Compiler
92. Which set of rules is applicable for exchange of files over Internet?
HTTP
93. MPG is an file extension of which type of files?
Video
94. Who is the father of email?
Ray Tomlinson
95. Which one is the first search engine in internet?
Archie
96. Number of bit used by the IPv6 address?
128 bit
97. Number of bit used by the IPv4 address?
32 bit
98. The first microprocessor was developed in 1971 by
Intel 4004
99. —–are also known as Service programs?.
Utilities
100. Which is a single integrated circuit?
Gate circuit
101. What is most powerful computer?
Super Computer
List Of Top Programming Languages and Their Developers
| AI | Alan Mathison Turing |
| BASIC | John Kemeny & Thomas Kurtz |
| C | Dennis Ritchie |
| C++ | Bjarne Stroustrup |
| C# | Anders Hejlsberg |
| Java | James Gosling |
| JavaScript | Brendan Eich |
| Perl | Larry Wall |
| PHP | Rasmus Lerdorf |
| Python | Guido van Rossum |
List Of All Computer Related Full-Forms:
API Application Programming Interface
AI Artificial intelligence
BASIC Beginners All-purpose Symbolic Instruction Code
Bit Binary Digit
BIOS Basic Input/Output System
BMP Bitmap
CD Compact Disc
COMPUTER Common Operating Machine Purposely Used for Technological and Educational Research
CPU Central Processing Unit
DTP Desktop publishing
DVD Digital Video Disc
EPROM Erasable Programmable Read-Only Memory
FAT File Allocation Table
FORTRAN FORmula TRANslation
GUI Graphical User Interface
HDD Hard Disk Drive
HTML Hypertext Markup Language
HTTPS Hypertext Transfer Protocol Secure
IBM International Business Machines
ICMP Intranet Control Message Protocol
I/O Input & Output
ISP Internet Service Provider
Basic Computer Knowledge Questions and Answers
NNTP Network News Transfer Protocol
OOPS Object-Oriented Programming System
PATA Parallel Advanced Technology Attachment
PING Packet InterNet Groper
SAM Security Account Manager
SMPS Switch Mode Power Supply
SSL Secure Sockets Layer
UNIVAC Universal Automatic Computer
UPS Uninterruptible Power Supply
URL Uniform Resource Locator.
VIRUS Vital Information Resources Under Seize
WiFi Wireless Fidelity
WAN Wide Area Network
WBMP Wireless Bitmap Image
WORM Write Once Read Many
WLAN Wireless Local Area Network
XML Extensible markup language
List Of Computer Devices And Their Inventors:
Computer Charles Babbage
CD James Russell
Hard Drive Reynold B. Johnson
Mouse Douglas Engelbart
Keyboard Christopher Latham Sholes
Inkjet Printer Ichiro Endo
Dot matrix printer IBM in 1957
Joystick Ralph H. Bear
Laser Printer Gary Starkweather
Photocopier (Xerox) Chester Carlson
Webcam Paul Jardetzky
USB Ajay Bhatt
Basic Computer Knowledge Questions and Answers
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