Computer MCQs for Competitive Exams

Chat, instant messaging, and electronic mail are common internet communication methods, but "Insta notes" is not a recognized or standard means of personal communication.

ADF stands for Automatic Document Feeder, a feature in scanners and printers that automatically feeds multiple pages for processing.

Multimedia is the correct term for applications that integrate various content forms like text, sound, graphics, motion video, and animation to create rich experiences.

Passwords are coded entries used to verify a user's identity and grant secure access to a computer system or account.

The Arithmetic & Logic Unit (ALU) is a fundamental component of the Central Processing Unit, responsible for performing all arithmetic and logical operations.

Main memory, also known as RAM, is where the processor temporarily stores data and programs for quick access and execution.

ASCII stands for American Standard Code for Information Interchange, which is a character encoding standard for electronic communication.

Modern computers execute instructions both sequentially for basic operations and in parallel for enhanced performance, utilizing multi-core processors.

An interpreter translates and executes program instructions line by line, one at a time, directly into machine language during runtime.

An interpreter translates and executes a program's source code line by line at runtime, without creating an intermediate object code file.

Excel's valid zoom percentage range is 10% to 400%, making 500% an invalid option for viewing spreadsheet content.

The F12 function key is commonly used across many applications, including Microsoft Office, to quickly open the "Save As" dialog box.

Charting is the spreadsheet capability that allows users to visually represent data from cells, such as generating a pie chart for analysis.

The processor, or CPU, is the central component directly responsible for executing instructions and performing calculations within a computer program.

Linus Torvalds is famously known for developing the Linux kernel, which forms the core component of the widely used Linux operating system.

KB stands for Kilo Byte, a common unit of digital information storage, representing approximately one thousand bytes in computing contexts.

An active cell in a spreadsheet is the currently selected cell, indicated by a heavy border, ready for data entry or modification.

A logic bomb specifically triggered by a predetermined date or time is precisely defined as a time bomb, a type of malicious software.

Pencil work is not a standard element of a computer spreadsheet interface, which typically includes active cells, menu bars, and workbooks.

Eric Yuan is the recognized founder and CEO of Zoom Video Communications, a leading platform for audio and video conferencing.

To view a cell comment in most spreadsheet programs, one simply positions the mouse pointer over the cell containing the comment indicator.

MS-DOS is a Command Line Interface (CLI) operating system, requiring users to interact by typing commands instead of a graphical interface.

VGA stands for Video Graphics Array, which is a widely recognized standard for computer display hardware and graphics output.

PowerPoint can integrate and display data from various MS-Office add-ins, including Equation Editor, Organization Chart, and Photo Album, enhancing presentations.

The "Scan-In Slides" feature is not a standard method for creating a new presentation; presentations are typically made from scratch, templates, or wizards.