Computer — All MCQs

4795 questions available

Showing 4141–4160 of 4795

Q4141.Who is historically credited with developing the first-ever software compiler (the A-0 compiler) in 1952?

Easy
A Charles Babbage
B Grace Hopper
C Ada Lovelace
D None of these
Computer History PPSC

Correct Answer: B

Rear Admiral Grace Hopper invented the first software compiler in 1952, paving the way for high-level languages.

Q4142.Which of the following is NOT a web browser application?

Easy
A Google (Search Engine)
B Internet Explorer
C Firefox
D Unix
Internet & Web PPSC

Correct Answer: D

Unix is a command-driven, multi-user operating system, whereas Internet Explorer and Firefox are web browsers.

Q4143.Who was one of the principal co-inventors of the microprocessor (specifically the Intel 4004 in 1971)?

Easy
A Marcian E. Hoff
B Joseph Jacquard
C Charles Babbage
D None of these
General MCQs PPSC

Correct Answer: A

Marcian Edward 'Ted' Hoff Jr. of Intel invented the microprocessor, which integrated CPU architecture onto a single microchip.

Q4144.A Compact Disc (CD) is an optical storage format designed to store which types of digital data?

Easy
A Sound/Audio
B Pre-recorded text files
C Graphics and software
D All of these
General MCQs PPSC

Correct Answer: D

Compact Discs (CDs) use lasers to read digital data pits, accommodating audio, text, images, and other digital resources.

Q4145.Which of the following media files typically carries a '.mpg' file extension?

Easy
A Audio files
B Image files
C Video files
D None of these
Computer Terminology PPSC

Correct Answer: C

The .mpg (or .mpeg) extension represents compressed digital video files created using the standards developed by the Moving Picture Experts Group.

Q4146.Which of the following database objects is considered the primary output of a database application?

Easy
A Report
B Table
C Form
D Query
Computer Terminology PPSC

Correct Answer: A

A Report is designed specifically to compile, format, and present database information in an organized, readable, and printable format.

Q4147.What is the standard keyboard shortcut used to save any active document in MS Office?

Easy
A Ctrl + S
B Ctrl + V
C Ctrl + C
D None of these
MS Word Shortcut Keys PPSC

Correct Answer: A

Ctrl + S is the universal keyboard shortcut in Windows and MS Office applications to save changes to the current file.

Q4148.To move the cursor back to the previous cell within a table inserted in MS Word, which keys should be pressed?

Easy
A Backspace
B Shift + Tab
C Alt + Tab
D The Tab Key
MS Word PPSC

Correct Answer: B

Within a table, pressing Tab moves the cursor forward to the next cell, while pressing Shift + Tab moves it backward to the previous cell.

Q4149.In Microsoft Word, what is the function of the keyboard shortcut Ctrl + Shift + M?

Easy
A Toggles fullscreen mode
B Removes a paragraph indent
C Opens file explorer
D Deletes selected text
MS Word Shortcut Keys PPSC

Correct Answer: B

Ctrl + M is used to increase the left indentation of a paragraph, while Ctrl + Shift + M is used to decrease or remove that indentation.

Q4150.A hardware scanner is classified under which of the following hardware categories?

Easy
A Output device
B Input device
C System software
D None of these
Computer Basics PPSC

Correct Answer: B

A scanner is a physical input device that captures printed documents or images and translates them into digital image data.

Q4151.A user can create a brand new presentation in Microsoft PowerPoint by completing all of the following actions EXCEPT ______?

Easy
A Clicking File > New
B Pressing the shortcut Ctrl + N
C Clicking the 'New' button on the Standard toolbar
D Clicking File > Open
MS PowerPoint Shortcut Keys PPSC

Correct Answer: D

Clicking File > Open is used to locate and load an existing, previously saved presentation file, not to create a new one.

Q4152.Who is recognized as the creator of the Java programming language in 1995?

Easy
A Dennis Ritchie
B Linus Torvalds
C James Gosling
D Bjarne Stroustrup
Computer Terminology PPSC

Correct Answer: C

James Gosling designed and developed the Java programming language while working at Sun Microsystems, releasing its first version in May 1995.

Q4153.What is the quickest way in Microsoft Excel to view a comment that has been added to a specific cell?

Easy
A Click the edit comment command on the insert menu
B Position the mouse pointer (hover) over the cell
C Click the display comment command on the window menu
D None of these
MS Excel PPSC

Correct Answer: B

Cells with comments feature a tiny red indicator. Simply hovering the mouse cursor over the cell automatically pops up the comment box.

Q4154.The standard Microsoft Windows 'Disk Cleanup' tool is categorized as which type of software?

Easy
A Device driver
B Utility program
C File manager
D None of these
Computer Basics PPSC

Correct Answer: B

Disk Cleanup is a system utility program designed to optimize storage by identifying and removing temporary and redundant files.

Q4155.To prevent an image or graphic from stretching or distorting when you resize it in Word, which setting should be selected?

Easy
A Distribute
B Retain proportions
C Lock aspect ratio
D None of these
Computer Basics PPSC

Correct Answer: C

Locking the aspect ratio maintains the proportional ratio between width and height, preventing the image from becoming distorted when resized.

Q4156.In word processing and text editors, what operation does the I-beam pointer facilitate?

Easy
A Formatting text
B Dragging and selecting text
C Highlighting text
D None of these
General MCQs PPSC

Correct Answer: B

The I-beam pointer indicates that the cursor is positioned over an editable text area, allowing the user to select, highlight, and drag text.

Q4157.Which of the following is NOT an available default view option in Microsoft PowerPoint?

Easy
A Slide View
B Slide Show View
C Orientation View
D Presentation View
MS PowerPoint PPSC

Correct Answer: C

PowerPoint view modes include Normal (Slide), Slide Sorter, Notes Page, and Slide Show. Page Orientation is a layout setting, not a view.

Q4158.What category of built-in Excel spreadsheet functions does the loan calculation function =PMT() belong to?

Easy
A Logical
B Payment
C Financial
D None of these
MS Excel PPSC

Correct Answer: C

The PMT (Payment) function is categorized under Financial functions in Excel, used to compute loan payments based on interest and periods.

Q4159.The popular multimedia framework and playback software 'Quick Time' was developed by which company?

Easy
A Microsoft
B Apple
C Oracle
D Adobe
Computer Basics PPSC

Correct Answer: B

QuickTime is a proprietary extensible multimedia framework capable of handling digital video, audio, and images, developed by Apple Inc.

Q4160.What is 'Internet2'?

Easy
A A research consortium for advanced internet research and development
B An Asian high-speed internet protocol
C A unit of the Internet Society that coordinates technical operations
D None of these
Internet & Web PPSC

Correct Answer: A

Internet2 is a non-profit US computer networking consortium led by universities, industry, and government to develop advanced internet technologies.