Computer Awareness MCQ Quiz - Objective Question with Answer for Computer Awareness - Download Free PDF
Last updated on Feb 21, 2025
Latest Computer Awareness MCQ Objective Questions
Computer Awareness Question 1:
What will be the output of the following MS-Excel function?
=ROUNDUP(213.456, 0)
Answer (Detailed Solution Below)
Computer Awareness Question 1 Detailed Solution
The correct answer is 214
Key Points
- The output of the Excel function =ROUNDUP(213.456, 0) will be 214.
- The ROUNDUP function always rounds up the number.
- By specifying 0, we're asking it to round up to the nearest whole number. So the correct choice is: 214
Computer Awareness Question 2:
The extension for an MS Word file is:
Answer (Detailed Solution Below)
Computer Awareness Question 2 Detailed Solution
The correct answer is .docx.
Key Points
- The extension for an MS Word 2007 file is .docx.
- Microsoft Word is a word processor developed by Microsoft.
- It was released on October 25, 1983, under the name Multi-Tool Word for Xenix system.
- The commercial version of Word is licensed as a standalone product or as a component of Microsoft Office or Windows RT.
Additional Information
Extension | Format |
aac | Windows audio file |
eml | Email file created by Outlook Express, Windows Live Mail, and other programs. |
exe | Executable program file |
jpg, jpeg | Joint Photographic Experts Group photo file |
png | Portable Network Graphics File |
ppsx | Microsoft PowePoint slide show |
xlsx | Microsoft Excel Workbook after excel 2007. |
Computer Awareness Question 3:
VIRUS stands for :
Answer (Detailed Solution Below)
Computer Awareness Question 3 Detailed Solution
The correct answer is Vital Information Resource Under Siege.
Key Points
- Virus:
- A computer virus is a type of malware that attaches itself to other programs, self-replicates, and spreads from one computer to another. When a virus infects a computer, it makes copies of itself and attaches to other files or documents. It then modifies those files and continues to spread.
- Computer viruses spread through malicious online downloads, infected email attachments, or by plugging in infected hardware like an external flash drive.
- Types of Virus:
- Macro viruses - They use built-in programming scripts in such applications as Microsoft Excel and Microsoft Word to automate tasks.
- Boot record infectors - These viruses are known also as boot viruses or system viruses.
- File infectors - These viruses target. EXE or.COM files and changes them.
Additional Information
- Antivirus:
- Antivirus software is a program or set of programs that are designed to prevent, search for, detect, and remove software viruses, and other malicious software like worms, trojans, adware, and more.
- Preventing identity theft and blocking phishing and fraud.
- Allow you to initiate a scan of a particular file or your entire computer, or of a CD or flash drive at any time.
- Scan specific files or directories for any malware or known malicious patterns.
Computer Awareness Question 4:
A formula in Excel starts with :
Answer (Detailed Solution Below)
Computer Awareness Question 4 Detailed Solution
The correct answer is option 3, i.e. = (equal sign).
EXPLANATION:
All the formulas in MS Excel started with an equal sign.
- After equal sign one can add formula or function.
- For example, the addition of values in cells A1 through A4, then type the whole equation after the equal sign.
- = A1 + A2 + A3 + A4.
- The ampersand operator (&) joins several strings into one string.
- The dollar sign ($) is used for creating absolute references.
Computer Awareness Question 5:
Which of the following is an example for input device ?
Answer (Detailed Solution Below)
Computer Awareness Question 5 Detailed Solution
Correct answer is Bar code Reader.
Key Points
- A piece of equipment/hardware which helps us enter data into a computer is called an input device.
- Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, microphones and Bar code Reader.
- A bar code reader is an optical scanner that can read printed bar codes, decode the data contained in the bar code to a computer.
Additional Information
- RAM (Random-access memory) is neither input nor output device. It is an storage device which stores data temporarily.
- A projector is an output device. A projector receives data from a source such as a computer, game console, or Blu-ray player (which would be the input devices).
- A mouse is a handheld hardware input device that controls a cursor in a GUI (graphical user interface) and can move and select the text, icons, files, and folders on your computer.
Top Computer Awareness MCQ Objective Questions
The process of transferring files from Internet to user Computer is called:
Answer (Detailed Solution Below)
Computer Awareness Question 6 Detailed Solution
Download Solution PDFConcept:
- Downloading: It is a process of transferring files from the webserver(from the internet) to the user's computer.
- In this process, memory is required in the user's computer.
- Only users can access this file.
Explanation:
- Uploading: It is a process of transferring files from the user's computer to the webserver(on the internet).
- In this process, memory is required in the webserver.
- Anyone can access the file using the internet.
- FTP: File Transfer Protocol
- It is a set of rules for transferring data from one system to another on the internet.
- JPEG: Joint Photographic Expert Group.
- It is a graphic file format used for saving images.
- Definition of downloading matches with given sentence therefore option 1 is the correct answer.
Additional Information
- Different file formats are used known as the computer file extension.
File Extension |
Meaning |
.apk | Android package file |
.gif | Graphical interchange format |
.png | Portable Network Graphics |
.jpg | JPEG Image |
What is the full form of COBOL?
Answer (Detailed Solution Below)
Computer Awareness Question 7 Detailed Solution
Download Solution PDFThe correct answer is Common Business Oriented Language.
- COBOL stands for Common Business Oriented Language.
- It is first developed in 1960 by the CODASYL Committee (Conference on Data Systems Languages).
- It is primarily designed for use in business-oriented applications.
Additional Information
- Some important Abbreviations
Abbreviation | Stands for |
ASCII | American Standard Code for Information Interchange. |
BIOS | Basic Input Output System. |
COBOL | Common Business Oriented Language. |
DBMS | Database Management System. |
EBCDIC | Extended Binary Coded Decimal Interchange Code. |
HTTP | HyperText Transfer Protocol. |
IBM | International Business Machine. |
JPEG | Joint Photographic Experts Group. |
Which of the following belongs to the category of fourth generation languages?
Answer (Detailed Solution Below)
Computer Awareness Question 8 Detailed Solution
Download Solution PDFThe correct answer is Query language.
Key Points
The various generations of computers are listed below:
Generation | Hardware | Language |
1st | Vacuum Tube | Machine Language |
2nd | Transistor | Assembly Language |
3rd | Integrated Chips | High-Level Language e.g - FORTRAN, ALGOL, COBOL, C++, C |
4th | Very Large Scale Integrated Circuit | Very High-Level Languages (Query Language) e.g - SQL, Unix Shell, Oracle etc. |
5th | Ultra Large Scale Integration technology | Artificial Intelligence Language e.g - OPS5, Mercury etc. |
Third generation computers used _______________.
Answer (Detailed Solution Below)
Computer Awareness Question 9 Detailed Solution
Download Solution PDFThe correct answer is Integrated circuits.
Key Points
Third Generation (1964-1977):
- This generation was introduced by the development of a small chip consisting of the capacity of the 300 transistors
- These Integrated Circuits (IC)s are popularly known as Chips.
- So it is quite obvious that the size of the computer got further reduced
- Some of the computers developed during this period were IBM-360, ICL-1900, IBM-370, and VAX-750
- Higher-level language such as BASIC (Beginners All-purpose Symbolic Instruction Code) was developed during this period
Additional Information
Generation | Duration | Electronic Component Used |
---|---|---|
First Generation Computers | 1946 - 1954 | Vacuum Tubes |
Second Generation Computer | 1955 - 1964 | Transistors |
Third Generation Computer | 1964 - 1977 | Integrated Circuits |
Fourth Generation Computer | 1978 - Present | VLSI or Microprocessors |
Fifth Generation Computer | Present and Future | ULSI or Bio-Chips |
Which function key is used for opening help ?
Answer (Detailed Solution Below)
Computer Awareness Question 10 Detailed Solution
Download Solution PDFThe correct answer is F1.
Key Points
- F1 function key is used for opening help.
- A function key is a key on a computer keyboard to perform certain actions.
- The function keys are arranged on the top of the computer keyboard numbered across from F1 to F12.
- The keys are frequently used in combination with other keys such as the CTRL key, the ALT key, and the SHIFT key.
- The function keys provide some interesting shortcuts for common computer functions that can be useful tools in everyday computing.
Additional InformationSome of the use of function keys:
Function keys | Function |
F2 | To rename a selected file or folder. |
F3 | To search for a file or folder. |
F4 | To close the active window with the Alt key |
F5 | To refresh or reload the current page. |
F6 | To move the cursor to the address bar in most web browsers. |
F7 | To spell-check and grammar check |
F8 | To access the boot menu in Windows |
F9 | Refresh a document in MS word |
F10 | Activate the menu bar of the application |
F11 | Enter and exit full screen in web browsers |
F12 | Open the Save as dialog box in MS word |
Transistor-based computer systems were developed in _________ generation of computers.
Answer (Detailed Solution Below)
Computer Awareness Question 11 Detailed Solution
Download Solution PDFThe correct answer is Second.
Key Points
- Second-generation computers were based on Transistors instead of vacuum tubes.
- 1959-1965 is the period of second-generation computers.
Additional Information
- List of generations of computers:
Generation |
Duration | Electronic Component Used |
---|---|---|
First Generation Computers | 1946-1954 | Vacuum Tubes |
Second Generation Computer | 1955-1964 | Transistors |
Third Generation Computer | 1964-1977 | Integrated Circuits |
Fourth Generation Computer | 1978 - Present | VLSI or Microprocessors |
Fifth Generation Computer | Present and Future | ULSI or Bio-Chips |
What is the full form of PNG in the computer image format?
Answer (Detailed Solution Below)
Computer Awareness Question 12 Detailed Solution
Download Solution PDFThe correct answer is Portable Network Graphics.
- Portable Network Graphics is the full form of PNG in the computer image format.
Key Points
- PNG (Portable Network Graphics) PNG (Portable Network Graphics)
- PNG is a format for storing bit-mapped or raster images on the computer.
- PNG is also known as a successor of GIF format images.
- It uses the less compression technique to save images like GIF files but without copyright issues.
- It contains a bitmap of indexed color so it is also called a bit-mapped image.
- Portable Network Graphics Format was developed in early 1995.
- PNG form was created by a team working under Thomas Boutell.
- The main reason behind its development was the limitation of 256 colors only in GIF.
- PNG has a file extension ".png".
- PNG provides low-resolution images that look good and load quickly.
- The amount of transparency can be controlled.
- The format supports interlacing, and it can be developed faster than the GIF format.
- PNG format also supports Gamma correction.
- Images can be saved by using true color.
- It can also be saved by using palette and grayscale formats provided by GIF.
Additional Information
- JPEG (or JPG) - Joint Photographic Experts Group.
- GIF - Graphics Interchange Format.
- TIFF - Tagged Image File Format.
- BMP - BitMaP.
- SVG - Scalable Vector Graphics
- PSD - Photoshop Document.
- PDF - Portable Document Format.
- EPS - Encapsulated Postscript.
- RAW -Raw Image Formats
- AI - Adobe Illustrator Document.
Which of the following is considered to be the first supercomputer developed in India?
Answer (Detailed Solution Below)
Computer Awareness Question 13 Detailed Solution
Download Solution PDFThe correct answer is PARAM 8000.
Key Points
- PARAM 8000 is considered to be the first supercomputer developed in India.
- PARAM is a series of supercomputers developed by C-DAC in Pune.
- PARAM supercomputers developed under the leadership of Vijay P Bhatkar.
- Supercomputers developed by India are EKA, PARAM, Kabru, Blue Gene.
- Pratyush is India's fastest supercomputer.
Additional Information
- SAGA 220 is the supercomputer developed by ISRO in 2011.
- PARAM Yuva II is the fastest in the prestigious PARAM series of Supercomputers built in India.
- SAHASRA T provides service in the fields of aerospace engineering, meteorology predictions, and astrological simulation.
- Seymour Cray is considered the father of the supercomputer.
- CDC 6600 is the world's first supercomputer.
Important Points
- As of June 2023, the AIRAWAT supercomputer is the fastest supercomputer in India, having been ranked 75th fastest in the world in the TOP500 supercomputer list.
Which of the following is the shortcut key to open a 'New Blank' document in MS-Word?
Answer (Detailed Solution Below)
Computer Awareness Question 14 Detailed Solution
Download Solution PDFThe correct answer is CTRL + N.
Key Points
- Create a new document with Ctrl+N.
Additional Information
- Basic computer shortcut keys
- Ctrl + M -- Indent the paragraph.
- Ctrl + B -- Bold highlighted selection.
- Ctrl + D -- Font options.
- Alt + F--File menu options in the current program.
- Alt + E--Edits options in the current program.
- F1--Universal help (for any sort of program).
- Ctrl + A--Selects all text.
- Ctrl + X--Cuts the selected item.
- Ctrl + Del--Cut selected item.
- Ctrl + C--Copy the selected item.
- Ctrl + Ins-- Copy the selected item.
- Ctrl + V--Paste the selected item.
- Shift + Ins -- Paste the selected item.
- Home -- Takes the user to the beginning of the current line.
- Ctrl + Home--Go to the beginning of the document.
- End -- Go to the end of the current line.
- Ctrl + End -- Go to the end of a document.
- Shift + Home -- Highlight from the current position to the beginning of the line.
- Shift + End -- Highlight from the current position to the end of the line.
- Ctrl + (Left arrow) -- Move one word to the left at a time.
- Ctrl + (Right arrow) -- Move one word to the right at a time.
Which of the following is NOT a search engine?
Answer (Detailed Solution Below)
Computer Awareness Question 15 Detailed Solution
Download Solution PDFThe correct answer is Safari.
- Safari is not a search engine.
Key Points
- Safari is a browser for IOS. WebKit is the search engine used as a default search engine for Safari.
- IOS is used only in Apple phones.
- Search Engines:
- These are websites available on the Internet that provide information on any topic that you want.
- Search engines contain a programme that collects information from other websites.
- This information is then stored according to the category it belongs to, e.g., websites about music will be stored in a category named Fine Arts. Examples of popular search engines are Yahoo, Alta Vista and Google.
Additional Information
- Yahoo was founded by Jerry Yang, David Filo.
- Ask was founded by David Warthen, Garrett Gruener.
- Bing is a search engine operated under Microsoft.