UTpaper

Free mock tests & test series

DSSSB TGT / PGT · Computer Science

Computer Fundamentals & MS Office Previous Year Questions

34 Computer Fundamentals & MS Office (Computer Science) questions asked in DSSSB TGT / PGT previous year papers, each with the correct answer and explanation. Read them free on UTpaper, or attempt the full papers as timed online tests.

  • 34 questions
  • Official answer key
  • Free
Attempt DSSSB TGT / PGT papers →All Computer Science questions

Other Computer Science topics

DBMS & SQL 229Digital Logic & Number Systems 194Computer Networks 177Operating Systems 161Data Structures 151Programming in C/C++ 89Web Technologies 68Algorithms 66Computer Organization & Architecture 66Discrete Mathematics 66OOP 63Java 46E-Commerce & IT Management 41Python 29Computer Graphics & Multimedia 28Software Engineering 23Cyber Security 13AI, ML & Data Science 11
Q1From DSSSB TGT Computer Science Practice Set 4
Given that a 22-inch monitor with an aspect ratio of 16 : 9 has monitor resolution of 1920×1080, what is the width of the monitor ?
  1. A22 inches
  2. B8.53 inches
  3. C10.79 inches
  4. D19.17 inches
Show answerHide answer

Correct answer: (D) 19.17 inches

Explanation

Diagonal = 22 in and the ratio is 16:9, so the diagonal factor is √(16² + 9²) = √337 ≈ 18.36. Width = 22 × 16 ÷ 18.36 ≈ 19.17 inches.

Q2From DSSSB TGT Computer Science Practice Set 2
Buying and selling goods over the Internet is called :
  1. AEuro-Conversion
  2. BHyper-Marketing
  3. CCyber-Selling
  4. DE-Commerce
Show answerHide answer

Correct answer: (D) E-Commerce

Explanation

E-commerce (electronic commerce) means buying and selling goods and services over the Internet.

Q3DSSSB PGT Computer Science (Technical), 11 Jul 2021
What is the shortcut key of Step Over in Visual Basic?
  1. AF9
  2. BF10
  3. CF6
  4. DF11
Show answerHide answer

Correct answer: (B) F10

Explanation

In the Visual Studio/VB.NET debugger, F10 is Step Over (it runs a procedure call as one step), F11 is Step Into and F9 toggles a breakpoint.

Q4DSSSB PGT Computer Science (Technical), 11 Jul 2021
What is the shortcut key for right alignment of the paragraph in a Microsoft Word document?
  1. ACtrl + R
  2. BCtrl + L
  3. CCtrl + J
  4. DCtrl + E
Show answerHide answer

Correct answer: (A) Ctrl + R

Explanation

Ctrl+R right-aligns, Ctrl+L left-aligns, Ctrl+E centres and Ctrl+J justifies a paragraph.

Q5DSSSB PGT Computer Science (Technical), 11 Jul 2021
Each Microsoft Excel file is also known as ________.
  1. ADocument
  2. BWorkbook
  3. CSlide
  4. DSheet
Show answerHide answer

Correct answer: (B) Workbook

Explanation

An Excel file is a workbook, which contains one or more worksheets.

Q6DSSSB PGT Computer Science (Technical), 11 Jul 2021
Microsoft PowerPoint helps to enhance our presentation with ________. I. Pictures and charts II. Sound effect III. Tables
  1. AI and II
  2. BII and III
  3. CI and III
  4. DI, II and III
Show answerHide answer

Correct answer: (D) I, II and III

Explanation

PowerPoint lets you add pictures, charts, sound effects and tables to slides, so all three are correct.

Q7DSSSB PGT Computer Science (Technical), 11 Jul 2021
Which key open a Goto window in Microsoft Excel?
  1. AAlt +G
  2. BShift + G
  3. CTab + G
  4. DCtrl + G
Show answerHide answer

Correct answer: (D) Ctrl + G

Explanation

Ctrl + G (or F5) opens the Go To dialog in Excel, used to jump to a cell or range.

Q8DSSSB PGT Computer Science (Technical), 11 Jul 2021
In Microsoft PowerPoint, background image can be added for all the slides by editing which slide?
  1. AFirst Slide
  2. BLast Slide
  3. CAny slide
  4. DSlide Master
Show answerHide answer

Correct answer: (D) Slide Master

Explanation

Changes made to the Slide Master (such as a background image) apply to every slide that uses it.

Q9DSSSB PGT Computer Science (Technical), 11 Jul 2021
Which of the following is not a assist ive device used for children with Visual Impairment?
  1. ABraille
  2. BHearing aid
  3. CArithmetic Frames
  4. DAbacus
Show answerHide answer

Correct answer: (B) Hearing aid

Explanation

Braille, arithmetic frames (Taylor frame) and the abacus help visually impaired children. A hearing aid is for hearing impairment.

Q10DSSSB TGT Computer Science (Technical), 8 Aug 2021, Shift 2
Which is the shortcut key to find and replace action in MS-word?
  1. ACtrl + H
  2. BCtrl + R
  3. CCtrl + D
  4. DCtrl + A
Show answerHide answer

Correct answer: (A) Ctrl + H

Explanation

Ctrl + H opens the Find and Replace dialog in MS Word. Ctrl + R right-aligns text, Ctrl + D opens the Font dialog and Ctrl + A selects all.

Q11DSSSB TGT Computer Science (Technical), 8 Aug 2021, Shift 2
Which input device is used for reading answer to question in a test or survey?
  1. AOCR
  2. BOMR
  3. CBarcode reader
  4. DMICR
Show answerHide answer

Correct answer: (B) OMR

Explanation

An OMR (Optical Mark Reader) senses marks shaded in fixed positions, so it is used to read answers on objective tests and survey forms.

Q12DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3
Which of the following is a shortcut key to undo last action in Ms Word?
  1. ACtrl + Z
  2. BCtrl + J
  3. CCtrl + I
  4. DCtrl + K
Show answerHide answer

Correct answer: (A) Ctrl + Z

Explanation

Ctrl + Z undoes the last action in MS Word. Ctrl + J justifies, Ctrl + I is italic and Ctrl + K inserts a hyperlink.

Q13DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3
Which of the following is an input device?
  1. APlotter
  2. BPrinter
  3. CJoystick
  4. DSpeaker
Show answerHide answer

Correct answer: (C) Joystick

Explanation

A joystick sends user input to the computer. Plotters, printers and speakers are output devices.

Q14DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3
What is the file extension for Batch files?
  1. ABAT
  2. BBCH
  3. CCTH
  4. DBATCH
Show answerHide answer

Correct answer: (A) BAT

Explanation

Batch files on DOS/Windows use the .BAT extension (newer ones may also use .CMD).

Q15DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 2
Which of the following is a shortcut key to justify paragraph alignment in MS-word?
  1. ACtrl + J
  2. BCtrl + I
  3. CCtrl + S
  4. DCtrl + Y
Show answerHide answer

Correct answer: (A) Ctrl + J

Explanation

In MS Word, Ctrl + J justifies the paragraph (aligns text to both margins). Ctrl + I is italic, Ctrl + S saves and Ctrl + Y redoes.

Q16DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 2
Perverse Software is also known as
  1. AUtility software
  2. BApplications of ware
  3. CDiagnostic software
  4. DMalicious software
Show answerHide answer

Correct answer: (D) Malicious software

Explanation

Perverse software is software written to cause harm, i.e. malicious software (malware) such as viruses, worms and trojans.

Q17DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 2
Which generation of computer used transistor?
  1. AFirst
  2. BSecond
  3. CThird
  4. DFourth
Show answerHide answer

Correct answer: (B) Second

Explanation

Second-generation computers (about 1956-1963) used transistors in place of the vacuum tubes of the first generation. The third generation used ICs.

Q18DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)
What is internet etiquette commonly referred to as?
  1. ANetiquette
  2. BWeb manners
  3. CDigital conduct
  4. DCyber ethics
Show answerHide answer

Correct answer: (A) Netiquette

Explanation

Netiquette (network + etiquette) is the set of rules for polite, responsible behaviour on the internet.

Q19DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)
What is a key difference between system software and application software?
  1. ASystem software includes programs like web browsers, while application software includes operating systems.
  2. BSystem software is designed for end-users, while application software is designed for system administrators only.
  3. CSystem software operates the computer hardware, whereas application software is designed to perform specific user-oriented tasks.
  4. DSystem software is optional for computer operation, while application software is mandatory.
Show answerHide answer

Correct answer: (C) System software operates the computer hardware, whereas application software is designed to perform specific user-oriented tasks.

Explanation

System software (OS, drivers, utilities) runs and manages the hardware. Application software (word processors, browsers) does specific tasks for users.

Q20DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)
What device is primarily used to capture video in multimedia applications?
  1. AMouse
  2. BWebcam
  3. CJoystick
  4. DKeyboard
Show answerHide answer

Correct answer: (B) Webcam

Explanation

A webcam is a video camera connected to a computer and is used to capture live video. A mouse, joystick and keyboard are input devices for control or text.

Q21DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)
Which of the following is an example of real-time communication through an online chat application?
  1. APosting on a blog
  2. BExchanging messages in a live chat
  3. CSending an email
  4. DWriting a comment on a social media post
Show answerHide answer

Correct answer: (B) Exchanging messages in a live chat

Explanation

A live chat delivers messages instantly while both people are online, which is real-time (synchronous) communication. Blogs, emails and comments are asynchronous.

Q22DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 2 (1:00 PM)
Which of the following is true about a plotter?
  1. AIt is an input device used for scanning documents.
  2. BIt is used to input audio data.
  3. CIt is used to print high-quality graphics and designs.
  4. DIt is faster than a laser printer plotter.
Show answerHide answer

Correct answer: (C) It is used to print high-quality graphics and designs.

Explanation

A plotter is an output device that draws large, precise graphics such as engineering drawings, maps and designs with pens or inkjet. It is slower than a laser printer.

Q23DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 1 (9:00 AM)
How can you add an emoji to an email?
  1. AUse the delete key
  2. BClick the emoji icon in the toolbar
  3. CReply to the email
  4. DChange the font style
Show answerHide answer

Correct answer: (B) Click the emoji icon in the toolbar

Explanation

Email programs provide an emoji (smiley) icon in the compose toolbar; clicking it opens a picker to insert emojis into the message.

Q24DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 1 (9:00 AM)
Which of the following is an example of open-source application software?
  1. AGIMP
  2. BCorelDRAW
  3. CMicrosoft Excel
  4. DAdobe Illustrator
Show answerHide answer

Correct answer: (A) GIMP

Explanation

GIMP (GNU Image Manipulation Program) is free and open-source image editing software. CorelDRAW, Excel and Illustrator are proprietary.

Q25DSSSB TGT Computer Science, 25 Jun 2023, Shift 1 (8:30 AM)
The Insert key in a keyboard of a computer system is used to toggle between ______ and ______ modes during data entry.
  1. Abackspace; overwrite
  2. Bdelete; overwrite
  3. Cinsert; overwrite
  4. Ddelete; replace
Show answerHide answer

Correct answer: (C) insert; overwrite

Explanation

The Insert key toggles between insert mode (text is inserted) and overwrite mode (typed characters replace existing ones).

Q26DSSSB TGT Computer Science, 25 Jun 2023, Shift 1 (8:30 AM)
'As the stock of a commodity increases with the consumer, its marginal utility to the consumer decreases'. To which of the following laws does the given statement refer to?
  1. ALaw of Diminishing Marginal Utility
  2. BLaw of Supply
  3. CLaw of Elasticity
  4. DLaw of Demand
Show answerHide answer

Correct answer: (A) Law of Diminishing Marginal Utility

Explanation

The Law of Diminishing Marginal Utility says each extra unit of a commodity gives the consumer less additional satisfaction.

Q27DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)
Which of the following is an input device which can detect the presence or absence of a pencil or pen mark on a paper?
  1. AOptical Mark Reader (OMR)
  2. BLight pen
  3. CDigitizer
  4. DOptical Character Recognizer (OCR)
Show answerHide answer

Correct answer: (A) Optical Mark Reader (OMR)

Explanation

An Optical Mark Reader senses the presence or absence of pen/pencil marks at fixed positions, as in OMR answer sheets. OCR reads printed characters instead.

Q28DSSSB TGT Computer Science, 7 Feb 2024, Shift 2 (12:30 PM)
______ files are spreadsheet files in a text format of data when cell contents are separated by a character for example a comma or semi-colon.
  1. AComma-Separated- Values
  2. BSemi-colon Separated Values
  3. CColumn and Row Headers
  4. DCVS
Show answerHide answer

Correct answer: (A) Comma-Separated- Values

Explanation

CSV (Comma-Separated Values) files store spreadsheet data as plain text, with cell values separated by a delimiter such as a comma or semicolon.

Q29DSSSB TGT Computer Science, 25 Jun 2023, Shift 3 (4:30 PM)
______ contains the local system configuration files for the host computer.
  1. A/bin
  2. B/etc
  3. C/dev
  4. D/boot
Show answerHide answer

Correct answer: (B) /etc

Explanation

/etc holds the system-wide configuration files, for example /etc/passwd and /etc/fstab. /bin holds binaries, /dev device files and /boot boot files.

Q30DSSSB TGT Computer Science, 25 Jun 2023, Shift 3 (4:30 PM)
Which of the following is an output device?
  1. AScanner
  2. BGame controller
  3. CDigitiser
  4. DPlotter
Show answerHide answer

Correct answer: (D) Plotter

Explanation

A plotter produces drawings on paper, so it is an output device. A scanner, a game controller and a digitiser are input devices.

Q31DSSSB TGT Computer Science, 25 Jun 2023, Shift 3 (4:30 PM)
Which of the following is NOT an advantage of e-commerce?
  1. AE-commerce has several payment modes.
  2. BE-commerce is making a digitalised world.
  3. CE-commerce has no universal standard for quality and reliability.
  4. DE-commerce via internet covers a large number of customers worldwide.
Show answerHide answer

Correct answer: (C) E-commerce has no universal standard for quality and reliability.

Explanation

Having no universal standard for quality and reliability is a limitation of e-commerce, not an advantage.

Q32DSSSB TGT Computer Science, 25 Jun 2023, Shift 2 (12:30 PM)
Which of the following is an example of an output device?
  1. AMouse
  2. BLight pen
  3. CKeyboard
  4. DVisual Display Unit
Show answerHide answer

Correct answer: (D) Visual Display Unit

Explanation

A Visual Display Unit (monitor) shows output from the computer. Mouse, light pen and keyboard are input devices.

Q33DSSSB TGT Computer Science, 25 Jun 2023, Shift 2 (12:30 PM)
What is effective desire?
  1. ADemand
  2. BConsumption
  3. CCalculus
  4. DUtility
Show answerHide answer

Correct answer: (B) Consumption

Explanation

Note: the answer key gives (B), but in economics effective desire, meaning desire backed by the ability and willingness to pay, is demand (A). Consumption is the actual use of goods.

Q34DSSSB TGT Computer Science, 25 Jun 2023, Shift 2 (12:30 PM)
Which of the following computer programs provides instructions for computer operations?
  1. ASystem software
  2. BSystem utility
  3. CMagnetic card
  4. DSystem application
Show answerHide answer

Correct answer: (A) System software

Explanation

System software, such as the operating system, provides the instructions that control and manage the computer's basic operations and hardware.

How to use these DSSSB TGT / PGT Computer Science questions

Every question here was asked in a real DSSSB TGT / PGT paper; the paper and shift are shown on the card, and the number opens the question on its own page. Try each one before tapping Show answer, then attempt the full DSSSB TGT / PGT papers as timed tests to check your speed under exam conditions.

More DSSSB TGT / PGT subjects

English 100General Awareness 100Reasoning 87Pedagogy 50Hindi 20Mathematics 20