Computer — All MCQs
4795 questions available
Q3621.This makes sure the document needs special treatment regarding modification of its content?
Correct Answer: C
A faint watermark (like 'DRAFT' or 'CONFIDENTIAL') printed behind text indicates to readers that the document requires special security or administrative handling.
Q3622.Which is NOT true about headers and footers?
Correct Answer: B
Headers and footers can be easily changed for different sections of a document by unlinking them using the 'Link to Previous' option.
Q3623.To remove a hyperlink but keep the text as it is ______?
Correct Answer: B
Right-clicking a link and choosing 'Remove Hyperlink' deletes the underlying URL binding while leaving the visible anchor text intact.
Q3624.Which is anti-virus software?
Correct Answer: D
Both Avast Antivirus and NAV (Norton AntiVirus) are popular security applications designed to detect, block, and clean malware.
Q3625.The main window in a computer spreadsheet is called?
Correct Answer: A
An Excel file is officially called a workbook, which acts as the main program window containing one or more worksheets.
Q3626.The diameter of the compact disc (CD) usually _____ inches.
Correct Answer: B
A standard physical compact disc (CD) measures exactly 120 mm (or 4.75 inches) in diameter.
Q3627.In POWERPOINT, multimedia presentations consist of _____?
Correct Answer: D
Multimedia presentation files inside PowerPoint typically incorporate slides, animations, transitions, shapes, and media files.
Q3628.In MS Word, Thesaurus is used to search _____ words.
Correct Answer: A
The Thesaurus tool (accessible via Shift + F7) is used to find similar words (synonyms) or opposite words (antonyms).
Q3629.Operating system is considered as _____ of computer.
Correct Answer: A
The Operating System is metaphorically called the 'soul' of the computer because, without it, the hardware remains completely inactive and unusable.
Q3630.File Manager is _____ program.
Correct Answer: B
A file manager is classified as a utility program, providing tools to organize, copy, rename, delete, and manage files on local storage.
Q3631.Which device(s) can't work properly without driver?
Correct Answer: D
Peripheral hardware (including printers, mice, and network cards) requires specific device drivers to communicate with the operating system.
Q3632.Android operating system is used in ______?
Correct Answer: C
Android is a widely popular open-source operating system designed primarily for mobile touchscreen devices like smartphones and tablets.
Q3633.The ____ error cannot be detected by a computer.
Correct Answer: A
Logical errors represent mistakes in program logic (resulting in incorrect output without crashing), which compilers or runtimes cannot auto-detect.
Q3634.The comparison between two values is performed by _____ operator.
Correct Answer: B
Relational operators (e.g., ==, !=, >, <) are used in programming and mathematics to compare two numerical values.
Q3635.In BASIC programming, _____ command is used to clear screen.
Correct Answer: B
The CLS command is used in BASIC and DOS environments to clear all characters from the console screen.
Q3636.A computer cannot function without _____?
Correct Answer: C
An Operating System is absolutely mandatory to run a computer, serving as the bridge between hardware resources and application software.
Q3637.Which wavy line shows that the word is repeated in MS Word?
Correct Answer: C
In modern versions of Microsoft Word, a blue wavy underline highlights repeated words or grammatical/contextual anomalies.
Q3638.In MS Excel, _____ function calculates the square root of a number.
Correct Answer: B
The SQRT() function is used in Microsoft Excel to return the positive square root of a specified number.
Q3639.Unauthorized copying and resale of software for business purpose is called _____?
Correct Answer: A
Software piracy represents the unauthorized duplication, distribution, or commercial resale of copyrighted software.
Q3640.In data transmission, Crosstalk can be reduced by _____ copper wire.
Correct Answer: C
Twisting the copper wires together (such as in UTP cables) reduces electromagnetic interference and eliminates crosstalk between adjacent pairs.