Computer MCQs for Competitive Exams

A compiler primarily checks for syntax errors, which are violations of the programming language's grammatical rules, before translating code into machine language.

An email address is uniquely identified by combining a user name, which specifies the individual, and a domain name, indicating the mail server.

The Pivot Table Report is the specific Microsoft Office Web component designed to allow users to view and interact with pivot tables directly within a web browser, maintaining the functionality of the desktop version.

Printers are output devices, not storage devices; hard disks, floppy disks, and CD drives are all examples of data storage.

A "Turn key" is not a standard key found on normal computer or laptop keyboards, unlike Alt, Del, or Shift keys which are common.

Cookies are small data files stored on a user's computer by websites to remember user preferences and track return visits.

UNIX is an operating system originally developed by Bell Labs for scientists and engineers, known for its portability, multitasking, and multi-user capabilities.

Formatting is the essential process of preparing a disk for data storage by logically dividing its surface into tracks and sectors.

Raised refers to the vertical position of text, not a character spacing option like expanded or condensed.

Batch processing efficiently handles large volumes of transactions by collecting and processing them together at scheduled intervals, ideal for large systems.

WWW is the widely recognized acronym for World Wide Web, a global information system.

CD-ROM stands for Compact Disc Read-Only Memory, an optical disc format for data storage.

The earliest computers were programmed directly using machine language, which consists of binary instructions.

MICR is an acronym for Magnetic Ink Character Reader, a technology used for processing checks.

An embedded system is a dedicated computer system integrated as part of a larger device or machine.

John Napier, a Scottish mathematician, published his discovery of logarithms in the year 1614.

The output quality of a printer is typically measured in Dots Per Inch (DPI), indicating resolution.

The system unit internally houses components like the microprocessor and disk controller, but a modem is usually an external peripheral device.

Screens, printers, and speakers all serve as output devices, displaying or producing information from the computer for the user.

The ESC (Escape) key is commonly used to cancel commands, close drop-down lists, and exit dialog boxes in various software applications.

ROM (Read-Only Memory) is non-volatile, retaining data even without power, and its contents are static, meaning they are not easily altered.

The Central Processing Unit (CPU) comprises the Arithmetic Logic Unit (ALU) for calculations and the Control Unit for managing operations.

The AutoContent Wizard in PowerPoint provides a guided process to quickly create a presentation by suggesting content and design based on user input.

Placeholders are designated boxes on a slide layout that reserve space for specific content like text, images, charts, or other objects.

Block arrows, stars and banners, and callouts are distinct categories within PowerPoint's AutoShapes feature, offering various pre-drawn shapes for presentations.