COMPUTER GENERAL KNOWLEDGE

Among the given options, a Petabyte (PB) represents the largest unit of digital information storage, equivalent to 1024 Terabytes.

The first electro-mechanical computer, the Mark I, was developed by Howard Aiken and IBM, becoming operational in 1944.

An interpreter directly executes instructions written in a programming language, converting and running them line by line without prior compilation.

A slideshow can be started by pressing the F5 key or by selecting the "View Show" option from the "Slide Show" menu.

Data refers to a collection of raw facts, figures, characters, numbers, and symbols that are processed to produce information.

In MS Word, the maximum scale percentage available in the scale drop-down box for objects like pictures or shapes is 200%.

Spreadsheets are specifically designed to organize and analyze business data efficiently in a structured format of rows and columns.

DVI stands for Digital Visual Interface, which is a video display interface used to connect a video source to a display device.

Microprocessors, integrating entire CPUs onto a single chip, are the defining characteristic and switching devices for fourth-generation computers.

The motherboard is the main printed circuit board in a computer, connecting all components like the CPU, memory, and peripherals.

Satya Nadella is the current Chief Executive Officer of Microsoft, leading the company's strategic direction and innovation since 2014.

Computer programs are sets of instructions that guide a computer to perform specific tasks and operations, enabling its functionality.

File transfer is moving a digital file copy from one computer to another over a communication channel.

Multitasking allows an operating system to run multiple tasks or programs simultaneously by rapidly switching CPU attention.

Spam is unsolicited bulk email, primarily an annoyance, unlike hackers, viruses, or identity theft which are direct security risks.

Random Access Memory (RAM) is the primary working memory where the CPU first accesses data and instructions for active processing.

A DVD (Digital Versatile Disc) is a type of optical disc storage medium, utilizing lasers to read and write data.

A master file holds permanent data about an entity, updated by transaction files to reflect its current status.

A computer virus is a malicious program designed to replicate itself and spread from one program or disk to another, causing disruption.

A digital clock is a device that displays time numerically, representing data in discrete digits, which is characteristic of digital devices.

A UPS (Uninterruptible Power Supply) provides temporary battery power to a computer system, preventing data loss during unexpected power failures.

A CPU (Central Processing Unit) fundamentally contains a control unit, which manages and coordinates all operations within the computer system.

A touch screen functions as both an input device for user interaction and an output device for displaying visual information simultaneously.

UNIVAC stands for Universal Automatic Computer, which was one of the earliest commercial computers designed primarily for business and administrative data processing.

Hybrid computers combine the capabilities of analog computers for measuring and digital computers for counting, offering versatile functionality.