Do you know who invented the First Mechanical Computer?
Well, it was Charles Babbage who invented the First Mechanical Computer, he is also known as the Father of the Computer.
The Invention of the Computer led to a Revolution in Human Civilization. It has solved Great Problems for Human Beings and has helped in many Life-Changing Inventions.
In this article, you will learn about Computers from Basic to Advanced levels. This article is going to be a little long, so keep a Little Patience because you will get all the Questions and Answers that you’re looking for.
This article includes topics like Computer Viruses, Operating Systems, Hardware, Software, Full Forms, Comparisons, Inventors, Important Dates, etc
Read all the Computer General Knowledge Questions and Answers to boost your Knowledge.
Answer:
1) Storage Unit
2) Control Unit
3) Input Unit
4) Output Unit
5) Arithmetic Logic Unit (ALU)
6) Central Processing Unit (CPU)
Answer:
1) Memory Unit.
2) Control Unit.
3) Arithmetic Logic Unit
Answer: Eight Bits (8 Bits)
4. How many Megabyte makes one Gigabyte?Answer: 1024 MB (1000 MB Standard)
5. Who is Called Livewares?Answer: People who work with Computers
6. Who Invented the Mechanical Calculator known as Pascaline?Answer: Blaise Pascal
7. Which Computer Unit Performs all Mathematical and Logical Functions?Answer: Central Processing Unit (CPU)
8. Which Electronic Components were used in First Generation Computers?Answer: Vacuum Tubes
9. Which Program runs on a Computer when the Computer Boots up?Answer: Operating System
10. What Types of Devices are Keyboard, Mouse, and Joystick?Answer: Input Devices
11. What was the First Version of Windows called?Answer: Interface Manager (1983)
12. What was the Code Name for Windows Vista?Answer: Longhorn
13. What Type of Format is HTML?Answer: Document File Format
14. What is the Name of the Software that Allows us to Browse the Internet?Answer: Browser
15. Why do Cache and Main Memory lose their Contents when the Power is Off?Answer: Because they are Volatile
Explanation: Volatile Memory is stored in a Computer Memory that only maintains its data while the device is powered.
Answer: Optical Laser
17. Which type of Software are MS Excel, MS PowerPoint, and MS Word?Answer: Application Software
18. Which Company made Windows Operating System?Answer: Microsoft Corporation
19. What is the Name of the First Microprocessor?Answer: Intel 4004
20. What is the “Intel Company” Famous for?Answer: Intel is the world’s Largest Semiconductor Chip manufacturer. Intel’s processors are found in most Personal Desktop Computers and Laptops
21. What are C, C++, C#, Java, PHP, and Python?Answer: Computer Programming Languages
22. What are .doc, .pdf, .txt, .png, and .Jpg called?Answer: Computer File Extensions
23. What is the name of the Arrow Symbol Position Indicator on a Computer Display?Answer: Cursor
24. What is the Name of the Process when the Operating System Runs?Answer: Booting
25. Which Computer Memory Stores Data “Temporarily”?Answer: Random Acces Memory
26. What is the name of the Set of Instructions that directs a Computer’s Hardware to perform a Task?
Answer: Computer Program
27. Which Programming Language was used by the First Generation Computers?Answer: Machine language
28. Which Programming Language was used by the Second Generation Computers?Answer: Assembly language
29. Name the First General-Purpose Electronic Computer?Answer: UNIVAC
30. Who is known as the Human-Computer of India?Answer: Shakuntala Devi
31. Which Programming Language is used by Apple Computers?Answer: Swift Language
32. Who is the Father of the Computer?Answer: Charles Babbage
33. Who is the Father of Motherboard?Answer: Reed Ghazala
34. When is World Computer Literacy Day?Answer: 2 December
35. Name the Computer Engineer who received Nobel Prize for literature in 2003?Answer: J.M. Coetzee
36. Which is the Physical Part of the Computer System?Answer: Computer Hardware
37. Which Electronic Device Processes the Data converting it into Information?Answer: Processor
38. What are the Three Types of Computer Bus?Answer:
1) Data Bus
2) Control Bus
3) Address Bus
Answer: Sir Tim Berners-Lee (1989)
40. What does BIOS stand for?Answer: Basic Input/Output System
41. Where does a Computer perform Addition and Comparison of Data?Answer: Central Processing Unit (CPU)
42. Where is Temporary Data stored in a Computer?Answer: Random Access Memory (RAM)
43. Where is Permanent Data stored in a Computer?Answer: Hard Drive or Solid State Drive (SSD)
44. In what form is the Data Stored in the Memory of a Computer?Answer: Decimal, Binary, Hexadecimal, etc
45. Who is the Father of Artificial Intelligence (AI)?Answer: John McCarthy
46. Name of the World’s First Successful Electronic Computer?Answer: Electronic Numerical Integrator and Computer(ENIAC)
47. What is Computer Virus?Answer: It is a malicious Software or a Program that can reproduce itself by rewriting other accessible PC programs and embedding its own code. After Successful replication, the affected areas are said to be “infected” with a Computer Virus.
48. What is the name of the Standalone Malware Computer Program that replicates itself to spread to other Computers?
Answer: Computer Worm
49. How many Bits is One Nibble?Answer: 4 Bits
50. What is the Name of the Computer’s Memory?Answer: RAM
1. What is the Name of the Technique for Assigning a Memory Address to each Input/Output Device in the Security Account Manager System?
Answer: Memory-Mapped I/O
2. How is Forward Reference Table (FRT) Arranged?
Answer: Linked list
3. Which Computer Program does Storage Mapping?
Answer: Compiler
4. What is the Binary Value of 100?
Answer: 1100100
5. Which Program is Available for Computer Users as a part of the Software Package?
Answer: Program Library
6. Which Type of Computer is found in a Digital Watch?
Answer: Embedded Computer
7. Name of the Information in Memory that is no Longer Valid or Wanted?
Answer: Garbage
8. What is the Name of the First Computer Worm?
Answer: Morris Worm
9. Which Computer Programs Manage the Hardware/Software of a Computer?
Answer: Operating System
10. Who is the Co-Founder of Microsoft?
Answer: Paul Allen
11. Which Loader is Executed when a Computer System is First Turned On?
Answer: Bootstrap Loader
12. How much is 1 KB in MB?
Answer: 0.001 MB
13. What is the Name of the First Computer Virus?
Answer: Creeper System
14. Which is the First Computer Virus in India?
Answer: The Brain Virus
15. What is the Name of the Program that can Cope with Data Errors?
Answer: Robust Program
16. What is the Smallest Unit of Data in a Computer?
Answer: Bit
17. In which Generation of Computer Transistors were used?
Answer: Second Generation
18. What is the Decimal Value of Binary Value 1111110?
Answer: 126
19. What are Core i3, Core i5, Core i7, and Core i9?
Answer: Intel Processor Names
20. What are Powerful Types of Computers called?
Answer: SuperComputers
21. What are the 5 Examples of SuperComputers?
Answer:
1) JAGUAR- Oak Ridge National Laboratory
2) ROADRUNNER- Los Alamos National Laboratory
3) PLEIADES- NASA Ames Research Center
4) JUGENE- Juelich Supercomputing Centre
5) KRAKEN- National Institute for Computational Sciences
22. What is the function of the Alt+F4 Key?
Answer: Closes the Currently Open Program
23. What is the function of the F5 Key?
Answer: Refresh a Web Page
24. What is a Programming Language Processor?
Answer: It is a Computer Program that translates programs written in one Programming Language to another Programming Language
25. What is the Most Common Type of Storage Device?
Answer: Magnetic Storage and Flash Memory
26. What is the Extension of Microsoft Office Word?
Answer: .docx
27. Who designed the QWERTY Keyboard?
Answer: Christopher Latham Sholes
28. What did Charles Babbage (The Father of Computers) invent?
Answer:
1) Difference Engine
2) Pilot (Locomotive)
3) Analytical Engine
29. What is the name of the First Operating System for Apple Computers?
Answer: Apple DOS
30. What does Mac mean in Apple Computers?
Answer: Macintosh
31. Which Supercomputer was developed in India?
Answer: PARAM 8000
32. When was Windows 10 released to the Public?
Answer: July 29, 2015
33. What is Picture Element known in Short?
Answer: Pixel
34. Which Device can be both Physical Input and an Output Device?
Answer: Monitor, Speaker, and Printer
35. What is used for sending Control Messages and Errors?
Answer: Internet Control Message Protocol (ICMP)
36. Which is more secure HTTP or HTTPS?
Answers: HTTPS
37. What is the Function of USB?
Answers: It is a Cross-Platform Technology where you can transfer data from one device to another.
38. What is the Name given to Good Hackers who discover Security Vulnerabilities Legally?
Answers: White Hat Hackers
39. What are the Examples of Linear Data Structures?
Answers: Array, Stacks, Queue, Linked List
40. How many Buses are connected to 8085 Intel Microprocessors?
Answers: 3 (Three)
41. What is the function of Medium Access Control (MAC)?
Answers: It controls the transmission of data packets via remotely shared channels and is also responsible for encapsulating frames so that they are suitable for transmission via the physical medium.
42. What is the Unit of Clock Speed that we see on a Computer Screen?
Answers: Gigahertz (GHz)
43. What is the Command for System Information in Windows Command Prompt?
Answers: SYSTEMINFO
44. What is POP3?
Answers: Standard Protocol for receiving E-mails
45. How many Bits does the Intel 8085 Microprocessor have?
Answers: 8-Bit
46. How many Bits are used in the Data Bus?
Answers: 64 Bits (32 Till 2012)
47. Why are File Extensions used?
Answers: To identify the File Type
48. What do a Microprocessor unit, Memory unit, and Input/Output unit form?
Answers: Microcomputer
49. What is the Symbol used by the Hexadecimal Number System?
Answers: 0, 1, 2, 3, 4, 5, 6, 7, 8,, 9 and A, B, C, D, E, F
50. In which year did Supercomputer Deep Blue developed by IBM beat chess wizard Garry Kasparov?
Answers: 1997
1. How was the First Coding Language made?
Answer: The First Codes or Programs were all written in Machine Code using the 1’s and 0’s combined to make Instructions.
2. What is the Other Name of Morris Worm?
Answer: Internet Worm
3. What is the Perl Programming Language used for?
Answer: System Administration, Network Programming, GUI Development, Web Development, etc
4. What is the Lisp Programming Language used for?
Answer: Emacs and the Computer-Aided Design (CAD)
5. What is the Name of the First Compiler?
Answer: FORTRAN
6. Who Wrote the First Implemented Compiler?
Answer: Grace Hopper
7. What is JDK?
Answer: Java Development Kit
8. Who is the Father of Coding?
Answer: Dennis MacAlistair Ritchie
9. What language is Python written in?
Answer: C Language
10. What are the 4 types of Programming Languages?
Answer:
1) Imperative
2) Functional
3) Logical
4) Object-Oriented
11. What does ANSI Stand for?
Answer: American National Standards Institute
12. What is the Full Form of BASIC?
Answer: Beginner’s All-purpose Symbolic Instruction Code
13. What is the use of SQL?
Answer: Structured Query Language (SQL) is used for performing tasks such as updating data on a database and retrieving data from a database
14. Who is the Man behind C++?
Answer: Bjarne Stroustrup
15. Why is Matlab Useful?
Answer: It is designed for mathematical and scientific purposes that has plenty of tools to deal with most areas of Mathematics. Matlab typically uses Math and computation.
16. What is the use of CSS?
Answer: Developing Internet Webpages
17. Name the Two most commonly used Programming Languages for Common Gateway Interface (CGI) Scripts?
Answer: Perl and C++
18. What is Beta Testing?
Answer: A Trial Test of Software or Other Products in the Final Stages of Development and before the Commercial Launch.
19. Who is the Mother of Programming?
Answer: Ada Lovelace
20. Which is the Oldest Computer Language?
Answer: Fortran (1957)
21. Which programming language is called the Mother of all Languages?
Answer: C Language
22. What is the Main Difference between C and C++?
Answer: C is a Procedural Oriented Programming Language while C++ is a combination of both Procedural and Object-Oriented Programming Languages.
23. What is the use of RAM and ROM?
Answer:
RAM: Temporary Memory when the Computer is Running
ROM: Boot the Computer
24. What is the Main Difference between Microprocessor and Microcontroller?
Answer: Microprocessor has a CPU Inside Them and Microcontroller has a CPU in Addition.
25. What is the One Difference between Structure and Union?
Answer: Structure is a User-Defined Data Type and Union is a Special Data Type
26. Which Keys are called as Modifiers in a Keyboard?
Answer: Shift, Function, Control, Alt
27. Which Key can be used for Renaming Files and Folders?
Answer: F2
28. Which are the Widely used Scripting Language?
Answer: JavaScript, PHP, Perl, Python, VBScript, Ruby, ASP
29. How many ways can the Floating-Point Operation be carried out?
Answer: 3 (Three)
30. What is the use of the Arithmetic Logic Unit?
Answer: To perform Arithmetic and Logical Operations
31. What is the Tagline of Google?
Answer: Don’t Be Evil
32. What is the Tagline of Microsoft?
Answer: Be What’s Next
33. Who is the founder of Rediff.com?
Answer: Ajit Balakrishnan
34. When was Gmail Launched?
Answer: 1 April 2004
35. Name of the first Email Service?
Answer: ARPANET mail
36. What is the Full Form of COBOL?
Answer: Common Business-Oriented Language
37. What are IC Chips made of?
Answer: Silicon
38. Which is the First Windows Server?
Answer: Windows NT 3.1 (27 July 1993)
39. What is the Code Name for Windows 10?
Answer: Threshold and Redstone
40. What is an Example of Non-Volatile Memory?
Answer: ROM, Flash Memory, SSD, Hard Disk
41. Who Discovered the Internet?
Answer: Vinton Gray Cerf and Robert Elliot Kahn
42. Name the World’s First Search Engine?
Answer: Archie
43. Which was the First Web Browser?
Answer: WorldWideWeb
44. Where is BIOS stored?
Answer: Flash Memory Chip
45. MS Word is an example of a?
Answer: Application Software
46. What is the Name of the Structure when data moves through Networks?
Answer: Packets
47. Who is the Founder of Bluetooth?
Answer: Jaap Haartsen (At Ericsson)
48. Which Computer Component is considered as the Heart of a Computer?
Answer: Microprocessor
49. DNS refers to?
Answer: Domain Name System
50. What is the Port Number of POP3?
Answer: 110
51. First Website on the Internet?
Answer: CERN (Address: http://info.cern.ch/hypertext/WWW/TheProject.html)
52. How many Bits are there in IPv6 address?
Answer: 128 Bits
53. How are Web Pages Created?
Answer: Using Hypertext Markup Language (HTML)
54. In which field Email Addresses are visible to all Recipients?
Answer: CC (Carbon Copy)
Explanation: Email Addresses in the BCC Field of a Message are invisible only to the Recipients of the email.
55. How many Types of Memory are there?
Answer: Primary Memory (RAM, ROM) and Secondary Memory (Hard drive, CD, SSD)
56. What is Cache?
Answer: Type of Data stored in a Computer’s Memory so that future requests for that Data can be Served Faster.
57. What is the full form of a PDF?
Answer: Portable Document Format
58. What is the Binary Value of A and Z?
Answer: A: 01000001 and Z: 01011010
59. What are the ASCII Values for “A to Z” and “a to z”?
Answer: 65 to 90 and 97 to 122
60. Who is the Father of Indian Supercomputing?
Answer: Vijay Bhatkar
