100 computer questions and answers in English

 
100 computer questions and answers in English
100 computer questions and answers in English

100 computer questions and answers in English

Embark on a voyage through the digital landscape with our comprehensive collection of 100 computer questions and answers in English. Whether you're a tech-savvy professional or a curious enthusiast, these questions cover a wide range of topics to deepen your understanding of computers and technology. From hardware to software, cybersecurity to programming, our curated selection offers insights into the intricacies of computing. With 100 thought-provoking questions and detailed answers, this resource serves as an invaluable tool for anyone looking to expand their knowledge in the realm of computers.

Dive into the world of computing with our meticulously crafted compilation of 100 computer questions and answers in English. Whether you're seeking to brush up on your IT skills or explore the latest advancements in technology, this collection has something for everyone. From the basics of computer architecture to advanced networking concepts, each question is designed to challenge and enlighten. Whether you're studying for exams, preparing for job interviews, or simply satisfying your curiosity, our comprehensive resource is your gateway to mastering the essentials of computing.

Prepare to unravel the mysteries of modern technology with our extensive repository of 100 computer questions and answers in English. Whether you're intrigued by the inner workings of algorithms or fascinated by the evolution of artificial intelligence, this collection offers a captivating journey through the world of computing. With topics ranging from cloud computing to data science, cybersecurity to machine learning, these questions provide a holistic view of the ever-expanding field of computer science. So, dive in and expand your horizons with our carefully curated selection of questions and answers, and discover the endless possibilities that await in the realm of technology.


100 computer questions and answers in English


Computer


Q1. What is Computer Hardware?

Ans. Computer Hardware is the physical components of the computer. For example Hard Drive and Processor.


Q2. What are the five types of computer hardware?

Ans. The five types of Computer Hardware are: Input, Processing, Storage, Output and Communication Devices.


Q3. What is Computer Input Device?

Ans. Computer Input Device is a computer hardware equipment used to provide data and control signals to a computer. For example: Mice, Keyboard, Digital Camera and Joystick.


Q4. What is Computer Processing?

Ans. Computer processing is an action or series of actions that a microprocessor in a computer performs when it receives information..


Q5. What is CPU?

Ans. CPU is the portion of a computer that retrieves and executes instructions.


Q6. What is CPU stand for?

Ans. CPU stand for Central Processing Unit.


Q7. What are the main parts of CPU?

Ans. There are three main parts of CPU, "The control unit", "The immediate access store or Register" and "The arithmetic and Logical Unit".


Q8. What is ALU stand for?

Ans. ALU stand for "Arithmetic and Logical Unit".


Q9. What is Storage Device in a computer?

Ans. Storage Device is a computer hardware equipment that is used for storing, porting or extracting data.


Q10. What are the three basic types of data storage devices of the computer?

Ans. The three basic data storage devices of the computer are: primary storage device, secondary storage device and tertiary storage device.


Q11. What is computer software?

Ans. Computer Software is a computer program, installed in a computer which make the computer run, for example MS Word and Windows.


Q12. How many types of computer software are there?

Ans. There are two types of computer software.


Q13. What are the two types of computer software?

Ans. System Software and Application Software.


Q14. What is another name for system software?

Ans. Operating System.


Q15. What are the examples of operating system?

Ans. Windows, MS-DOS and Linux.


Q16. Can hardware work without device driver?

Ans. No, hardware cannot work without device driver.


Q17. What is primary storage device?

Ans. Primary Storage Device is a computer hardware equipment which is used to hold memory for short period of time while the computer is running. For example RAM and ROM.


Q18. What is RAM stand for?

Ans. Random Access Memory.


Q19. What is ROM stand for?

Ans. Read Only Memory.


Q20. What is the difference between RAM and ROM?

Ans. RAM is volatile Memory that temporarily store the files you working on while ROM is non-volatile memory that permanently store instructions of the computer.


Q21. Who is the developer of computer?

Ans. Charles Babbage is the developer of computer.


Q22. What is the smallest unit of data in computer?

Ans. Bit is the smallest unit of data in computer.


Q23. How many parts are there in CPU?

Ans. There are two parts in CPU.


Q24. What are the two parts of CPU?

Ans. ALU and CU.


Q25. 1 Byte is equal to:

Ans. 8 bits.


Q26. 1 Nibble is equal to:

Ans. 4 bits.


Q27. What is the full form of computer?

Ans. Commonly Operating Machine Purposely Used for Technical and Educational Research.


Q28. How many keys are there in Computer Keyboard?

Ans. There are 104 keys in Computer Keyboard.


Q29. How many arrow keys are there in Computer Keyboard?

Ans. There are four arrow keys in Computer Keyboard.


Q30. What is the shortcut key of computer shutdown?

Ans. Alt + F4.


Q31. What is the computer refresh shortcut key?

Ans. F5.


Q32. What is the shortcut key for Undo?

Ans. Ctrl + Z.


Q33. What is the Shortcut key for Cut?

Ans. Ctrl + X.


Q34. What is the Shortcut key for Copy?

Ans. Ctrl + C.


Q35. What is the Shortcut key for Paste?

Ans. Ctrl + V.


Q36. What is "Shift + Delete" use for?

Ans. For permanent delete.


Q37. What is the Shortcut Key for select all?

Ans. Ctrl + A.


Q38. What is "OS" stands for?

Ans. OS stands fro Operating System.


Q39. Is "OS" a computer hardware?

Ans. No, it's a computer software.


Q40. What are the two kinds of main memory?

Ans. RAM and ROM.


Q41. What is the second name of main memory?

Ans. Primary Memory.


Q42. How many types of memory are there?

Ans. There are two types of memory.


Q43. What is the example of Volatile memory?

Ans. RAM.


Q44. What is the full name of RAM?

Ans. Random Access Memory.


Q45. What is the full name of TB in memory?

Ans. Terabyte.


Q45. What is the full name of GB in memory?

Ans. Gegabyte.


Q46. What is the full name of MB in memory?

Ans. Megabyte.


Q47. What is the full name of KB in memory?

Ans. Kilobyte.


Q48. How many GBs are there in 1TB?

Ans. There are 1024 GBs in 1TB.


Q49. How many MBs are there in 1GB?

Ans. There are 1024 MBs in 1GB.


Q50. How many KBs are there in 1MB?

Ans. There are 1024 KBs in 1MB.


Q51. What is the full name of Bits?

Ans. Binary Digits.


Q52. In 1st generation's computer, which technology was used?

Ans. Vacuume Tube.


Q53. What is the time period of 1st generation's computer?

Ans. 1946-1959.


Q54. What is the brain of any computer system?

Ans. CPU is the brain of any computer system.


Q55. Which part of CPU perform all mathematical operations?

Ans. ALU.


Q56. How much data we can save in a CD?

Ans. 700 MB.


Q57. What is the internet?

Ans. The internet is a global network of interconnected computers and networks that allow users to share information and resources.


Q58. What is an IP address?

Ans. An IP address is a unique numerical label assigned to a device, such as a computer or smartphone, that is connected to the internet.


Q59. What is the World Wide Web?

Ans. The World Wide Web (WWW) is a system of interlinked hypertext documents that are accessed via the internet.


Q60. What is a website?

Ans. A website is a collection of related web pages hosted on a web server that is accessible via the internet.


Q61. What is a web browser?

Ans. A web browser is a software application used to access and view web pages on the internet.


Q62. What is HTML?

Ans. HTML (HyperText Markup Language) is a markup language used to create web pages.


Q63. What is a domain name?

Ans. A domain name is a unique address used to identify a website on the internet.


Q64. What is a search engine?

Ans. A search engine is a web-based tool used to find information on the internet.


Q65. What is a hyperlink?

Ans. A hyperlink is a link from one web page to another.


Q66. What is a cookie?

Ans. A cookie is a small piece of data stored on a user’s computer by a website.


Q67. What is cloud computing?

Ans. Cloud computing is a model of computing where data and applications are stored and accessed over the internet.


Q68. What is a firewall?

Ans. A firewall is a security system that controls the incoming and outgoing network traffic on a computer or network.


Q69. What is a virus?

Ans. A virus is a malicious software program that can damage or disrupt the normal operation of a computer or network.


Q70. What is streaming?

Ans. Streaming is the delivery of audio or video content over the internet in real time.


Q71. What is an ISP?

Ans. An ISP (Internet Service Provider) provides users with access to the internet.


Q72. What is the name of the list of coded instructions in computer?

Ans. Computer Program.


Q73. What is an email?

Ans. An email (electronic mail) is an electronic message sent over the internet.


Q74. What is E-mail stands for?

Ans. Electronic Mail.


Q75. What is G-mail stands for?

Ans. Google Mail.


Q76. What is the shortcut key of folder creation?

Ans. Ctrl + Shift + N.


Q77. Who invented Email?

Ans. Ray Tomlinson.


Q78. What are the two principal parts of email address?

Ans. User name and domain name.


Q79. What does CC stands for in email?

Ans. Carbon Copy.


Q80. What does BCC stands for in email?

Ans. Blind Carbon Copy


Q81. Which symbol is used to reparate the user name and domain name in email address?

Ans. Symbol " @ ".


Q82. Which was the first free web base email service?

Ans. Hotmail.


Q83. When the first free web base email service was launched ?

Ans. July 4, 1996.


Q84. Email Spam is also called?

Ans. Junk Email.


Q85. Where you can recieve your emails?

Ans. You can recieve your emails in Inbox.


Q86. Where deleted emails are stored?

Ans. Deleted emails are stored in Trash Folder.


Q87. For how many days a deleted email is stored in Trash Folder in Gmail?

Ans. A deleted email is stored in Trash Folder in Gmail for 30 days.


Q88. What was the first computer?

Ans. The first computer was the ENIAC, which was developed in 1946.


Q89. When was the first computer mouse invented?

Ans. The first computer mouse was invented in 1964 by Douglas Engelbart.


Q90. Who created the first computer game?

Ans. The first computer game was created in 1962 by Steve Russell.


Q91. What was the first commercial computer?

Ans. The first commercial computer was the IBM 701, which was released in 1952.


Q92. When did the personal computer become popular?

Ans. The personal computer became popular in the late 1970s and early 1980s.


Q93. When was the first laptop computer released?

Ans. The first laptop computer was released in 1981 by Osborne Computer Corporation.


Q94. What was the first computer virus?

Ans. The first computer virus was the Elk Cloner, which was released in 1982.


Q95. What was the first computer programming language?

Ans. The first computer programming language was Fortran, which was released in 1957.


Q96. What was the first computer operating system?

Ans. The first computer operating system was the MS-DOS, which was released in 1981.


Q97. What was the first computer network?

Ans. The first computer network was ARPANET, which was released in 1969.


Q98. What was the first search engine?

Ans. The first search engine was Archie, which was released in 1990.


Q99. What was the first e-mail program?

Ans. The first e-mail program was MAILBOX, which was released in 1971.


Q100. When was the first graphical user interface released?

Ans. The first graphical user interface was released in 1973 by Xerox PARC.


Q101. When was the first computer mouse released commercially?

Ans. The first computer mouse was released commercially in 1984 by Apple Computer.


Q102. What was the first computer virus to spread over the internet?

Ans. The first computer virus to spread over the internet was the Morris Worm, which was released in 1988.


Q103. What is an antivirus?

Ans. An antivirus is a program designed to prevent, detect, and remove malicious software or malware from a computer or other device.


Q104. What are the benefits of using an antivirus?

Ans. Using an antivirus can help protect your computer from viruses, spyware, Trojans, rootkits, and other malicious software. It can also help protect your data, identity, and privacy by blocking malicious websites, emails, and other online threats.


Q105. What types of antivirus programs are available?

Ans. There are many different types of antivirus programs available. These include free and paid versions, as well as ones designed for specific operating systems, such as Windows, Mac OS, and Linux.


Q106. How often should I run a scan with my antivirus program?

Ans. It is recommended that you run a full scan with your antivirus program at least once a week.


Q107. What is the difference between an antivirus and a firewall?

Ans. An antivirus program is designed to detect, prevent, and remove malicious software, while a firewall is designed to block unauthorized access to your computer or network.


Q108. What is the difference between a virus and a worm?

Ans. A virus is a type of malicious software that infects a computer system by attaching itself to a program or file and replicating itself, while a worm is a type of malicious software that replicates itself across networks without attaching itself to any program or file.


Q109. How do I know if my antivirus program is working?

Ans. You can usually check the status of your antivirus program in the settings or control panel of the program. You may also be able to view the logs of recent scans to see if any malicious software was detected.


Q110. What should I do if my antivirus program finds a virus?

Ans. If your antivirus program finds a virus, it should be able to quarantine or remove it. Be sure to run a full scan afterwards to make sure that all malicious software is removed.


Q111. Is it possible to have multiple antivirus programs installed on my computer?

Ans. No, it is not recommended to have multiple antivirus programs installed on your computer as they may conflict with each other.