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Are you finding the computer general knowledge questions for competitive exams? Here I am sharing computer general knowledge quiz questions and answers covering important topics in computer awareness, which is common for all the competitive exams.

These are the selective and important questions of the computer. You can increase your knowledge by learning these computer questions which help you while solving computer questions in SSC, Bank exams and many other competitive exams.

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There are several words used in the short form and it is essential to know the full forms of those words. In all fields, including Science, Computer, education and many other fields.

PAN - Permanent Account Number (PAN), is a computer-based electronic system that assigns a unique 10 digit alphanumeric number being issued by the income tax department, India's government to various entities, and to identify a number of taxpayers in India.

PDF - PDF stands for "portable document format". Essentially, the format is used when you need to save files that cannot be modified but still need to be easily shared and printed. Today almost everyone has a version of Adobe Reader or other program on their computer that can read a PDF file.

ATM - Automated teller machine. An automated teller machine (ATM) is an electronic banking outlet that allows customers to complete basic transactions without the aid of a branch representative or teller. ... ATMs are known in different parts of the world as automated bank machines (ABM) or cash machines.

SIM - A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit running a card operating system (COS) that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscriber on mobile telephony devices (such as mobile and computers). It is also possible to store contact information.

IFSC - Indian Financial System Code. Indian Financial System Code (IFSC) is an eleven-character alphanumeric code that helps in transferring funds online. The code is assigned by the Reserve Bank of India. Any transfer system that's regulated by the RBI will require the use of an IFSC code.

NEFT - National Electronic Funds Transfer. The full form of NEFT is National Electronic Fund Transfer, and it is an online system for transferring funds from one account in one bank to another account in another bank.

MICR - Magnetic Ink Character Recognition technology. MICR (magnetic ink character recognition) is a technology used to verify the legitimacy or originality of paper documents, especially checks. Special ink, which is sensitive to magnetic fields, is used in the printing of certain characters on the original documents.

RTGS - Real Time Gross Settlement. Real-Time Gross Settlement (RTGS) is one of the processes that settle payments to the recipient on an instant basis without having to wait for some time for the settlement to happen. RTGS services are irrevocable once the settlements are done.

FSSAI - Food Safety and Standards Authority of India. FSSAI has been created for laying down science based standards for articles of food and to regulate their manufacture, storage, distribution, sale and import to ensure availability of safe and wholesome food for human consumption.

FSAI - Fire Safety Association of India. FIRE & SECURITY ASSOCIATION OF INDIA (FSAI) is a non-profit organization established in 2002 representing the Fire Protection, Life Safety, Security, Building Automation, Loss Prevention and Risk Management domains.

WiFi - Wireless Fidelity. Wi-Fi allows local area networks (LANs) to operate without cables and wiring, making it a popular choice for home and business networks. Wi-Fi can also be used to provide wireless broadband Internet access for many modern devices, such as laptops, smartphones, tablet computers, and electronic gaming consoles.

GOOGLE - Global Organization of Oriented Group Language of Earth. GOOGLE: Global Organization of Oriented Group Language of Earth. Officially Google has not a full form. It is generated from a word "googol" which means a huge number. The word "googol" represents a number that is 1 followed by 100 zeros.

Yahoo - Yet Another Hierarchically Organized Oracle. Yahoo is an American multination technology company. It provides a wide range of services like Web portal, search engine Yahoo! Search, including Yahoo! Directory, Yahoo! Mail, Yahoo! News, Yahoo!

Windows - Wide Interactive Network Development for Office Work Solution. Windows is a graphical operating system developed by Microsoft. It allows users to view and store files, run the software, play games, watch videos, and provides a way to connect to the internet. It was released for both home computing and professional works. Microsoft introduced the first version as 1.0.

Laptop - Lightweight Analytical Platform Total Optimized Power. A laptop, laptop computer, or notebook computer is a small, portable personal computer (PC) with a screen and alphanumeric keyboard. Laptops are folded shut for transportation, and thus are suitable for mobile use. Its name comes from lap, as it was deemed practical to be placed on a person's lap when being used.

Computer - Common Operating Machine Purposely used for Technological and Educational research (COMPUTER). A computer is an electronic device that manipulates information, or data and gives a meaningful information as an output on the monitor screen. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.

VIRUS - Vital Information Resources Under Seize. A computer virus is a computer program or a piece of code that is loaded onto your computer without your knowledge and run against your consent. They insert themselves into host programs and spread on the execution of infected programs.

UMTS - Universal Mobile Telecommunications System. It is a third-generation (3G) broadband, packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 megabits per second (Mbps).

AMOLED - Active-matrix organic light-emitting diode. AMOLED and Super AMOLED are display technologies used in cellphone, smartwatch, laptop, television.

OLED - Organic Light-Emitting Diode. A technology that uses LEDs in which the light is produced by organic molecules.. An OLED display have the following advantages over an LCD display: Improved image quality - better contrast, higher brightness, fuller viewing angle, a wider color range and much faster refresh rates. Lower power consumption. Simpler design that enables ultra-thin, flexible, foldable and transparent displays.

IMEI - The International Mobile Equipment Identity---or IMEI---is a unique numerical identifier for every mobile device. This number helps to differentiate each device from one another. The IMEI number of any phone indicates the phone's current location. ... If a person's phone is lost or stolen, then that phone's location can also be traced through the phone's IMEI number. If someone does not know the IMEI number of his mobile phone then he has to dial * # 06 # from his phone to know the same.

ESN - Equipment Serial Number. uniquely identifies equipment and is embedded electronically by the manufacturer. MEID: Mobile Equipment Identifier; similar to an ESN; it is a globally unique number for a piece of mobile equipment.

UPS - The full form of UPS is Uninterruptible Power Supply. UPS is a type of power supply system with an integrated battery and in the absence of primary mode or when power is shut down, the battery is used for the power source.

HDMI - HDMI stands for High Definition Multimedia Interface and is the most frequently used HD signal for transferring both high definition audio and video over a single cable.

VPN - VPN stands for "Virtual Private Network" and describes the opportunity to establish a protected network connection when using public networks. VPNs encrypt your internet traffic and disguise your online identity. It is useful for corporate traffic over the Internet.

APN - Access Point Name. The Access Point Name (APN) is the name for the settings your phone reads to set up a connection to the gateway between your carrier's cellular network and the public Internet. An APN has the network settings your phone needs to connect to your provider.

LED - LED stands for light emitting diode. LED lighting products produce light up to 90% more efficiently than incandescent light bulbs. In the simplest terms, a light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it. Light is produced when the particles that carry the current (known as electrons and holes) combine together within the semiconductor material.

LCD - Stands for "Liquid Crystal Display." LCD is a flat panel display technology commonly used in TVs and computer monitors. It is also used in screens for mobile devices, such as laptops, tablets, and smartphones.

RAM - RAM, which stands for random access memory, It is a volatile memory that temporarily stores the files you are working on. It keeps data in the memory as long as power is supplied to the system.

ROM - ROM, which stands for read-only memory, It is a non-volatile memory that permanently stores instructions for your computer. It is a type of electronic storage that comes built in to a device during manufacturing. You'll find ROM chips in computers and many other types of electronic products; VCRs, game consoles, and car radios all use ROM to complete their functions smoothly.

VGA - The Video Graphics Array (VGA) connector is a standard connector used for computer video to transfer video signals as an output on the monitor screen.

QVGA - Quarter Video Graphics Array. Quarter VGA, or QVGA, refers to screens that have a 320x240 resolution. The name comes from the fact that the resolution is a quarter times smaller than the maximum resolution provided by the Video Graphics Array (VGA) display standard. QVGA is very popular among handheld gaming devices and mobile phones.

WVGA - Wide Video Graphics Array. It refers to Wide Video Graphics Array and as the name indicates it is much wider than that of VGA with height being the same as that of VGA. It has a resolution of 800 x 480 pixels and requires cropping of image in widescreen video to display it perfectly.

WXGA - WideScreen Extended Graphics Array. WXGA is the widescreen version of XGA — delivering the same vertical resolution but providing 20% more horizontal resolution. This has become a common resolution for notebook computers and smartphone.

USB - Universla serial BUS. USB is an industry standard, 'user-friendly' method of transferring data between a host device (such as a computer) and a peripheral device (for example, a mouse). To most computer users, the system simply allows the use of various devices by attaching them via a USB port.

VRAM: - VRAM (video RAM) refers to any type of random access memory (RAM) specifically used to store image data for a computer display.

DLNA - Digital Living Network Alliance.

GST: - The goods and services tax (GST) is a value-added tax levied on most goods and services sold for domestic consumption.

IFSC: - Indian Financial System Code (IFSC) is an eleven-character alphanumeric code that helps in transferring funds online. Every bank branch operating in the country is identified by its own unique IFSC code. The first four characters are alphabets and tell the name of the bank. They remain the same for every bank branch and the last 6 digits will represent a specific branch code. For example, the IFSC code of the SBI branch at 23, Himalaya House, Kasturba Gandhi Marg, New Delhi 110001, is SBIN0005943. Here, 005943 is the branch code.

CNF (Confirmed): - CNF stands for “Confirmed”. CNF means Your ticket is confirmed & you definitely have a berth allotted to you (no sharing with anyone else, unlike in RAC). The coach/berth details will be available to you once the chart is prepared, which happens 3 hours prior to the scheduled departure of your train. So relax until then. Check the PNR status of your ticket on the date of journey 3 hours prior to train departure time & you will get coach/berth details. Also, these days Indian railways sends SMS on your mobile number that was provided while booking the ticket (atleast for eticket bookings online). The SMS is auto-triggered as soon as chart is prepared.

RAC: - RAC means “Reservation Against Cancellation”. It means you can travel in train with RAC ticket status. It means you have to share your berth (seat) with some other person.Simply half of the seat is yours and half is of someone else.

PNR: - PNR stands for “passenger name record” and it tells you your current status on the WL (waitlist) or RAC (reservation against cancellation queue). If you buy a WL ticket or an RAC ticket, you will be assigned a unique 10-digit PNR number.

Types of PNR status:

1)CAN : Cancelled

2)CNF : Confirm Seat

3)WL : Waiting List

4)RAC : Reservation Against Cancellation

5)RLWL : Remote Location Waitlist

6)SL : Sleeper Class

7)PQWL : Pooled Quota Waitlist

8)DF : Defence Quota

9)RSWL : Road-Side Waitlist

10)REL : Released

11)NR : Noroom

12)NOSB : No Seat Berth

13)GNWL : General Waitlist

14)TQWL : Tatkal Waitlist

15)SS : Travelling Alone Female Quota (above 45 Year) / Senior Citizen Quota

16)LD : Ladies Quota

17)HP : Physically Handicapped Quota

18)WEBCAN : Railway Counter Ticket: Passenger has been cancelled over internet and refund has not been collected.

19)WEBCANRF : Railway Counter Ticket: Passenger has been cancelled over internet and refund has been collected.

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