Computer Science MCQs in topical order.

Correct Answer: A collection of related data

A data series in an Excel chart refers to a row or column of related numbers plotted to visually represent values.

Correct Answer: 2

MS Excel offers exactly two page orientations: Portrait and Landscape.

Correct Answer: A workbook

An Excel file is natively called a 'workbook', which can contain one or multiple worksheets to organize data.

Correct Answer: Format menu

The Format menu (often found under Format Cells > Number > Custom) allows users to set custom date patterns like YYYY/MM/DD.

Correct Answer: To show current date and time

The NOW() function in MS Excel returns the current date and time formatted as a date and time value.

Correct Answer: Formula bar

The Formula bar is specifically designed for viewing, entering, and modifying formulas or data in an active Excel cell.

Correct Answer: Home

The Conditional Formatting feature, used to visually highlight data based on rules, is situated on the Home tab.

Correct Answer: MAX

The MAX function in Excel evaluates a range of numbers and outputs the largest value among them.

Correct Answer: Insert

The Header and Footer options are found within the 'Insert' tab in the MS Word menu ribbon.

Correct Answer: Ctrl + D

Ctrl + D opens the Font dialog box in Microsoft Word, allowing users to deeply customize character formatting.

Correct Answer: CTRL + ALT + V

Ctrl + Alt + V is the keyboard shortcut that opens the Paste Special dialog box in MS Office applications.

Correct Answer: Insert

In Microsoft Word, the Cover Page feature is located within the 'Pages' group under the 'Insert' tab.

Correct Answer: Structure

Word templates provide the foundational structure, layout, and styling parameters for consistent document creation.

Correct Answer: All of these

MS Word's web authoring capabilities allow you to save files as HTML and embed rich formatting, hyperlinks, and media.

Correct Answer: Left

In standard word processors like MS Word, paragraph text is aligned to the left margin by default.

Correct Answer: Font

Times New Roman is a widely used serif typeface (font) designed for legibility.

Correct Answer: CPU

The Central Processing Unit (CPU) is often called the brain of the computer because it processes most of the instructions and data.

Correct Answer: To transfer data

The Control Unit directs the operation of the processor, actively managing and transferring data flow between the CPU, memory, and peripherals.

Correct Answer: All of these

Floppy disks, hard disks, and CDs are all types of storage media that can be used for data backup.

Correct Answer: Scanner

A scanner digitizes physical images or documents into digital data, making it an input device.

Correct Answer: Motherboard

The motherboard serves as the main circuit board, allowing all peripheral devices and internal components to communicate.

Correct Answer: Time to position the head over proper track

In a hard disk, seek time is the delay incurred as the read/write head moves to the correct track.

Correct Answer: Time to spin the needed data under head

In computing, disk latency time is the time it takes for a hard drive platter to spin the required data sector under the read/write head.

Correct Answer: INF

INF (Information) files are standard setup files used by Windows to provide installation instructions for device drivers, including graphics card hardware.

Correct Answer: Layout of Handout

In PowerPoint, the Handout Master is used to edit the appearance and layout of printed presentation handouts.

Correct Answer: Press Escape

Pressing the 'Esc' (Escape) key immediately halts a running slide show in Microsoft PowerPoint.

Correct Answer: Transition > on mouse click

The 'On Mouse Click' feature to advance slides is located under the 'Transitions' tab in PowerPoint.

Correct Answer: Slide Show Tab

The 'Rehearse Timings' option allows presenters to practice and record timings, found in the Slide Show tab in MS PowerPoint.

Correct Answer: Color Scheme

Color Scheme sets allow you to quickly change the thematic colors of presentation objects simultaneously.

Correct Answer: None of these

In classic versions of MS PowerPoint, 'Slide Design' is generally accessed via the task pane or design tab rather than the standard/drawing toolbars.

Correct Answer: Insert

In Microsoft PowerPoint, the Action Button feature is found under the 'Insert' tab.

Correct Answer: Normal view

Normal view allows users to edit current slides and efficiently insert new ones directly into the desired sequence via the thumbnail pane.

Correct Answer: Downloading

Downloading is the transmission of a file from a remote server over the internet to a local user's computer.

Correct Answer: Domain Name System

DNS (Domain Name System) is the phonebook of the Internet, translating human-friendly domain names into IP addresses.

Correct Answer: ARPANET

ARPANET (Advanced Research Projects Agency Network) was the first operational packet switching network and the progenitor of the global Internet.

Correct Answer: Network

A computer network allows connected devices to exchange data and share resources.

Correct Answer: Wireless Fidelity

Although technically a marketing term, Wi-Fi is widely understood to stand for Wireless Fidelity.

Correct Answer: Network

A computer network is defined as a collection of interconnected computing devices that share resources and data.

Correct Answer: Wireless Fidelity

Wi-Fi is a popular wireless networking technology; while often thought to be an acronym, it was commercially popularized as 'Wireless Fidelity'.

Correct Answer: Domain Name System

DNS stands for Domain Name System, which essentially acts as the internet's phonebook by translating human-readable web domains into machine IP addresses.

Correct Answer: Uniform Resource Locator

A URL (Uniform Resource Locator) is a reference or address to a web resource on a computer network and a mechanism for retrieving it.

Correct Answer: Receiver's email address

While subjects and messages can be left blank, an email protocol absolutely requires a valid destination address.

Correct Answer: All of these

Modern communication platforms like Gmail, Yahoo Mail, and WhatsApp all support the attachment and transmission of multimedia and document files.

Correct Answer: username@website.info

A valid email requires a local part (username), an '@' symbol, and a valid domain name (like website.info).

Correct Answer: Web links

Hyperlinks (or web links) are used to navigate between different pages on a website or across the internet.

Correct Answer: Email server

Gmail, Yahoo, and Hotmail act as web-based email servers and providers handling the sending, receiving, and storage of emails.

Correct Answer: URL

URL stands for Uniform Resource Locator, which serves as the unique address used to access a specific webpage on the internet.

Correct Answer: lol

'lol' is an internet slang abbreviation, whereas Yahoo, Bing, and Google are widely used web search engines.

Correct Answer: MS PowerPoint

Microsoft PowerPoint is a standard presentation software program used to create slideshows.

Correct Answer: Notes

In standard PowerPoint views, the left panel typically shows the 'Slides' or 'Outline' tabs, while the 'Notes' pane is located at the bottom.

Correct Answer: Document view

Microsoft PowerPoint features views like Normal, Slide Sorter, Outline, and Slide Show. 'Document view' is a term typically associated with Word.

Correct Answer: 72

In Microsoft Word, the preset font size drop-down menu goes up to a maximum of 72 points (though you can manually type larger sizes).

Correct Answer: View > Window > Split

In applications like MS Word, splitting a window is done by navigating to the View tab, selecting Window, and then clicking Split.

Correct Answer: Font style

While technically 'Typefaces' or 'Font families', in basic computing terminology (like MS Word exams), they are widely accepted as Font Styles/Faces.

Correct Answer: None of these

In MS PowerPoint, the Header & Footer button is found within the 'Text' group on the Insert tab.

Correct Answer: Space

To prevent Excel from auto-formatting a fraction (like 1/2) into a date, you prefix it with a zero and a space (e.g., '0 1/2').

Correct Answer: Ctrl + Right arrow

Pressing Ctrl + Right arrow in most text editors moves the text cursor directly to the beginning of the next word to the right.

Correct Answer: PageDown

The 'PageDown' key is a standard keyboard key used to scroll or move the cursor down one page or screen at a time.

Correct Answer: F1

The F1 function key is universally used across most Windows applications, including MS Word, to open the Help menu.

Correct Answer: Ctrl+F9

The keyboard shortcut Ctrl + F9 minimizes the active workbook window in Microsoft Excel.

Correct Answer: CTRL+Z

The keyboard shortcut CTRL+Z is universally used to undo the most recent action in software programs.

Correct Answer: Pg Dn

The 'Page Down' (Pg Dn) key on a keyboard is used to scroll down exactly one viewable page or screen block at a time.

Correct Answer: Shift + Tab

Using Shift + Tab moves the cursor to the previous cell or field, reversing the standard Tab function.

Correct Answer: Ctrl+A

Ctrl+A is the universal shortcut in most text editors and word processors to 'Select All' content.

Correct Answer: Recycle Bin

The Recycle Bin is a standard desktop shortcut and system folder, unlike Weather, Calendar, or News which are widgets/gadgets.

Correct Answer: Operating system

macOS is a proprietary graphical operating system developed and marketed by Apple Inc.

Correct Answer: Recycle bin

In Windows, deleted files are temporarily stored in the Recycle Bin until permanently deleted.

Correct Answer: File Allocation Table (FAT)

The File Allocation Table (FAT) is a map of where files are stored. If a virus corrupts it, the OS cannot locate or retrieve data on the disk.

Correct Answer: Apple

macOS (previously Mac OS X) is a proprietary graphical operating system developed and marketed by Apple Inc.

Correct Answer: Both A & B

Unix was originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson and Dennis Ritchie.

Correct Answer: Recycle Bin

On Windows systems, deleted files are temporarily stored in the Recycle Bin before permanent deletion.

Correct Answer: Minimize

Minimizing a window temporarily hides it from the screen and places it as an icon on the taskbar.

Correct Answer: MS Excel

Microsoft Excel is a popular spreadsheet software application designed to record, calculate, and manipulate data organized in tabular grids.

Correct Answer: .txt

Notepad is a basic text editor in Windows that saves files by default as plain text files with the .txt extension.

Correct Answer: Email client

Outlook Express was an email and news client developed by Microsoft, previously bundled with versions of the Windows operating system.

Correct Answer: Managing emails

Microsoft Outlook is a personal information manager used primarily for email management, as well as calendaring, task managing, and contact managing.

Correct Answer: None of these

Microsoft Windows is an operating system developed and marketed by the Microsoft Corporation, not Apple, Dell, or Amazon.

Correct Answer: Public Domain Software

Software placed in the public domain has no ownership or copyright and can be used and modified freely.

Correct Answer: Portrait

In most document processing software, the default page orientation is set to portrait.

Correct Answer: Horizontal market software

Horizontal market software, such as office suites and communication tools, is used across various industries and business environments.

Correct Answer: Checking spelling and grammar

In Microsoft Office applications, the F7 key is the standard shortcut for opening the spelling and grammar check dialog.

Correct Answer: Ctrl+F1

Ctrl+F1 is the shortcut key used to show or hide the Ribbon in Microsoft Office applications.

Correct Answer: Ctrl+Right Arrow

Holding down the Ctrl key and pressing the Right Arrow key moves the text cursor to the beginning of the next word.

Correct Answer: Ctrl+E

The keyboard shortcut Ctrl+E is universally used in word processors to center-align the current paragraph or selected text.

Correct Answer: End

On a standard keyboard, pressing the 'End' key immediately moves the text cursor to the very end of the current line.

Correct Answer: New Document

Ctrl + N is the standard shortcut key used to create a new, blank document in most software applications.

Correct Answer: F1

F1 is the universally accepted shortcut key for opening the 'Help' documentation in almost all Windows-based software.

Correct Answer: Ctrl + K

Ctrl + K is the standard keyboard shortcut used in most Microsoft Office applications to insert a hyperlink.

Correct Answer: Artificial Intelligence

Fifth-generation computing is based on Artificial Intelligence (AI) and technologies like parallel processing and ultra-large-scale integration.

Correct Answer: EDSAC

EDSAC (Electronic Delay Storage Automatic Calculator) was an early British computer considered to be the first practical stored-program computer.

Correct Answer: Vacuum Tubes

First-generation computers (1940s-1950s) relied on vacuum tubes for circuitry and magnetic drums for memory.

Correct Answer: None of these

While Douglas Engelbart invented the computer mouse and GUI concepts, Alan Turing and John von Neumann are the true pioneers of the modern electronic computer.

Correct Answer: Universal Automatic Computer

UNIVAC was the first general-purpose electronic digital computer design for business and government applications.

Correct Answer: Seymour Cray

Seymour Cray is known as the father of supercomputing for his pioneering work at Control Data Corporation and later at Cray Research.

Correct Answer: Blaise Pascal

Blaise Pascal invented the Pascaline, one of the earliest mechanical calculators, in 1642.

Correct Answer: Specific purpose computer

The Atanasoff-Berry Computer (ABC) was designed specifically to solve systems of linear equations, making it a specific-purpose computer.