Information Technology (Questions & Answers ) - 06
751. Which key combination is used to permanently delete a file or folder?
Shift+delete
752. A common boundary between two computer systems is known as?
Interface
753. Network Interface Card (NIC) is generally used for .........?
Connectivity
754. Which is the web browser developed by Google?
Chrome
755. When a computer is turned on, a special type of absolute loader is executed known as ...?
Bootstrap Loader
756. What is the name of the moving process from the main memory to disk?
Swapping
757. The IC chips of computers are usually made of.. .......?
Silicon
758. What is the valid ending for an MS Word file?
.doc
759. What kind of software is Adobe Photoshop?
Graphics software
760. What is the meaning of 'CC' in the case of e-mail?
Carbon copy
761. What is the full form of RSS in relation to website feedback?
Really Simple Syndication
762. In connection with mobile communication, what is the full form of CDMA?
Code Division Multiple Access
763. What is used for denoting the detectable movement of a computer mouse?
Mickey
764. What is the name of the input/ output device on a computer reserved for communication between the computer operator & the computer?
Console
765. The peak cell rate (PCR), sustainable cell rate (SCR), & maximum burst size (MBS) are used for the measurement of?
Bandwidth
766. What is the name of the storage device where the access time is effectively independent of the location of the data?
Direct Access Storage Device
767. Which input device is used to convert graphic and pictorial data into binary inputs?
Digitizer
768. What is the purpose of keeping electronic devices such as computers & remote-controlled devices on sleep mode?
Reduce power consumption
769. When some unknown persons send mail in a trustworthy way asking for sensitive information, it is a case of .............?
Phishing
770. Which is the error message indicating server not found?
HTTP 404
771. In a computer, what transforms input data into output data?
CPU
772. Which virus is treated as the first computer virus?
Creeper Virus
• It is a Jamming Program
773. Which was the first search engine on the Internet?
Archie
• Created by Alan Emtage, Bill Heelan and J Peter Deutsch
774. When is world computer literacy day celebrated?
December 2nd
775. World Computer Security Day -
November 30th
776. Which one is the first fully supported 64 bit operating System?
Linux ( It is a free software which was developed by Linus Benedict Trovals.)
• Linux is written in primary C language and assembly language.
777. What type of software is an operating system?
System software
• System software coordinates the operations of various hardware components of a
computer. Eg.: Operating system, utility software etc.
• Application software is a type of software that can perform only a pre-defined task. Eg.: Calculator
778. What is the full form of the first electronic computer ENIAC?
Electronic Numerical Integrator and Calculator
779. "The illegal copying of licensed software" - this crime is considered as:
Software Piracy
• Hacking- hacking is unauthorized access without the permission of either the rightful owner or person in charge of a computer network.
• Trojan Attack- the program that acts like something useful but do the things that are quite
dangerous is known as Trojan Attack
780. In the IT Act, which section deals with the punishment of cyber terrorism?
Section 66(F)
• Section 65: Tampering with computer documents
• Section 66: Hacking
• Section 66 A: Punishment • Section 66 D: Cheating by personation using computer resources
• Section 66 E: Violation of privacy
• Section 66 F: Acts of Cyber Terrorism
• Section 67 A: Pornography
• Section 67 B: Child Pornography
• The Supreme Court has struck down Section 66A of the IT Act as it was unconstitutional
781. What is the process of loading the operating system files into dynamic random access memory?
Booting
• Booting is the process of loading the operating system files into dynamic random access memory or computer main memory. It takes place each time computer is switched On.
• 2 types of Booting: Warm Booting - When the operating system alone is restarted after a system crash is called Warm booting
Cold Booting - When the computer is started after being switched off is called Cold Booting.
783. Which technology is used in the processor of a computer to simulate a single processor into two virtual processors to the operating system?
Hyperthreading Technology
784. IBM 1401 is a .............generation computer.
Second-generation computer
• In the second generation main devices used in computers were transistors. The time period of second-generation computers is 1956 - 1965.
785. In 1983 who defined the term 'computer virus?
Fred Cohen
786. When IT Act 2000 of India came into force?
17th October 2000
• IT Act 2000 was enacted on 9th June 2000. But it came into force on 17th October 2000. It had 13 chapters, 94 sections and 4 schedules. In 2008 it is amended and known as Information Technology
787. A printer is which kind of a device?
Output
• Some examples for output devices are i- Monitor, Speaker, plotter, Projector, head phone etc.
• Examples for Input devices are keyboard, mouse, scanner, web camera, microphone etc.
788. NotePad is a for Microsoft Windows.
Text Editor
• MS Word is used for word processing purposes and the file created in MS Word is known as Document.
• MS Excel is used as an electronic spreadsheet and the file created in it is known as Workbook
789. Software that allows the user loads a web program is called:
Browser
• Examples for Browsers are Opera, Google Chrome, Mozilla Firefox, Safari Epic, Netscape Navigator etc.
790. The first Web Browser in the world is Nexus.
791. The first Web Browser in India is Epic
792. The fastest Web Browser is Safari.
793. PROLOG is a computer language used for .....
Artificial Intelligence
• PROLOG is a high-level programming language designed by Alain Clement Ader.
• COBOL is used for business purposes. The full form of COBOL is Common Business Oriented Language.
• FORTRAN is the first implemented high-level programming language and it is the abbreviation for Formula Translation.
794. Programmed instruction to the computer is known as:
Code
• Data - it is the collection of facts and figures
795. Expansion of UNIVAC is:
Universal Automatic Computer
796. The binary number of the decimal number 15 is:
1111
• The base of the Binary number system is 2, ie use only 0 and 1. The base of the decimal number system is 10, ie.
0,1,2,3,4,5,6,7,8,9.
797. 1's complement of binary value 1011 is:
0100
• 1's complement of the binary value is obtained by changing 1 to 0 and 0 to 1.
798. In a client/ server computer network, the user's computer is usually called:
Client
• Server is the powerful computer that provides services in a network,
799. The extension of '.com', '.edu', '.org' etc are usually called:
Domain name
• IP address is the numerical address used for identifying resources of the internet. It is having four sections of one-byte length (Total 3 2 bits).
• Network is an interconnection of computers. The devices connected to the network is known as a node.
800. FTP stands for:
File transfer protocol
• It is used for sending the big files over the internet
801. What is the objective of fire wall protection?
Security
802. When a key is pressed on the keyboard, which standard is used for converting the keystrokes into corresponding bits?
ASCII
• It is the abbreviation for American Standard Code for Information Interchange.
• ASCII-7 and ASCII-8 are available. ASCII-7 can handle 128-bit data, while ASCII-8
• Light Amplification by Stimulated Emission of Electromagnetic Radiation
• LASER was discovered by Theodore Maiman.
803. The program which is as permanent as hardware and stored in ROM is known as :
Firmware
• It is the combination of persistent memory and program code and data can be stored in it.
804. Which access method is used for obtaining a record from a cassette tape?
Sequential
805. identifies a specific webpage and its computer on the Web.
URL
• Uniform Resource Locator is a standard way of identifying and locating internet resources on the world wide web. It includes letters, numbers and punctuations.
806. An optical input device that interprets pencil marks on paper media is :
OMR-Optical Mark Reader
807. A computer program that converts an entire program into machine technology is called:
Compiler
• It takes the entire program as input at a time and converts it into machine language, while an interpreter can convert single instruction at a time into machine language.
808. A is approximately one billion bytes:
Gigabyte
809. An error in software or hardware is called a bug. What is the alternate computer jargon for it?
Glitch
810. VOIP is a technology for :
Making phone calls over the internet
• VoIP- Voice Over Internet Protocol
811. Which institution is credited with the development of www?
CERN
812. Which is the primary law in India dealing with cybercrime & electronic commerce?
IT Act, 2000
813. What was the total number of Sections in the original IT Act, 2000? 94 Sections Which Section of the IT Act 2000 deals with cyber terrorism?
Section 66F
814. An unauthorized intrusion into a computer or a network is known as .........
Hacking
815. Which primary component of the computer runs the operating system & applications?
CPU (Central Processing Unit)
816. What is the full form of FPU?
Floating Point Unit
817. ......... are typically used to measure the performance of a computer processor.
FLOPS (Floating Point Operations Per Second)
818. ...... is the rate at which a processor can complete a processing cycle.
Clock speed
819. What is SSD?
Solid State Drive
820. Which is the most common type of storage device in computers?
Hard drive
821. What is the fullform of 'SD in SD Cards?
Secure Digital
822. The keyboard layout in a computer is known as ......... design.
QWERTY
823. Which are the modifier keys in a keyboard?
Shift, function, control, alt, command & option
824. Which key is used for capitalizing letters & entering different types of symbols?
Shift
825. In Windows, which key is used for entering keyboard shortcuts?
Control (Ctrl)
826. By pressing Alt+F4, we can usually ........ a window.
Close
827. Which online encyclopedia was launched by Jimmy Wales and Larry Sanger in 2001?
Wikipedia
828. Which is the largest online encyclopedia in the world?
Wikipedia
829. Which is the world's largest online social networking service in the world?
Facebook
830. Which famous social networking service was founded by Mark Zuckerberg, Eduardo Saverin, Andrew McCollum, Dustin Moskovitz and Chris Hughes in 2004?
Facebook
831. Which is the world's leading messaging app for smartphones?
WhatsApp
832. Who were the founders of WhatsApp?
Jan Koum and Brian Acton
833. Name the world's leading E-commerce company founded by Jeff Bezos in 1994?
Amazon
834. Which IT company was founded by Steve Jobs, Steve Wozniak and Ronald Wayne in 1976 to develop personal computers?
Apple Inc.
835. Who has been referred to as 'the Father of the Digital Revolution and the Master evangelist of the Digital Age"?
Steve Jobs
836. Which Chinese multinational computer technology company was founded by Liu Chuanzhi?
Lenovo
837. Who is considered the "Father of the Cell Phone'?
Martin Cooper
838. Who was the first person in history to make a handheld cellular phone call in public?
Martin Cooper
839. Which company brought out the world's first cell phone?
Motorola
840. Which American entrepreneur and inventor is known as the First Lady of Wireless'?
Arlene Harris
841. Name the e-mail service founded by Sabeer Bhatia in 1996?
Hotmail
842. In 1997, which IT company acquired the Hotmail services?
Microsoft
843. In 2013, which e-mail service replaced Hotmail?
Outlook.com
844. Which company are the world's leading chip and microprocessor maker in the world?
Intel Corporation
845. Who were the founders of the Intel Corporation in 1968?
Gordon Moore and Robert Noyce
846. Which company created the world's first commercial microprocessor chip in 1971?
Intel Corporation
847. Which multinational corporation specializing in Internet-related services and products was founded by Larry Page and Sergey Brin in 1998?
Google
848. The formal corporate motto of Which IT company is 'Don't be Evil?
Google
849. Which world-famous Internet corporation was founded by Jerry Yang and David Filo in January 1994?
Yahoo Inc.
850. Which world-famous search engine was initially named "Jerry and David's Guide to the World Wide Web?
Yahoo
851. Measured by revenues, which is the world's largest software maker?
Microsoft Corporation
852. Name the world's leading computer software company founded by Bill Gates and Paul Allen in 1975?
Microsoft
853. Which IT company is nicknamed 'Big Blue' by the securities analysts?
IBM
854. Name the former Vice President of America who called the Internet 'the Information Superhighway?
Al Gore
855. Safer Internet Day is organised by Insafe in February every Year. In 2015, Safer Internet Day is observed on ..........
February 10
856. World Computer Literacy Day:
December 2
857. Which company provides commercial web traffic data and global ranking of websites by use?
Alexa Internet Inc.
858. WeChat, Viber and LINE are the examples of ...........
Instant messaging apps
859. Which Indian born American scientist is known as 'the Father of Fiber Optics'?
Narinder Singh Kapany
860. Who coined the term 'fibre optics' in the year 1956?
Narinder Singh Kapany
861. What is the full form of E-mail?
Electronic mail
862. Which American computer programmer invented email in 1971?
Ray Tomlinson
863. Which English computer scientist is known as the inventor of the World Wide Web?
Tim Berners Lee
864. Which American scientist is known as 'the Father of the Internet'?
Vinton Cerf
865. Which American scientist is known as 'the Father of the Personal Computer'?
Henry Edward Roberts
866. Who is known as 'the Father of Supercomputing'?
Seymour Cray
867. Who invented the computer mouse?
Douglas Engelbart
868. A set of instructions that directs the computer to process information is called - ---- -?
Software
869. What is the name of the software designed to operate & control the computer hardware and to provide a platform for running application software?
System software
870. Which are the two parts of the system software?
Operating system & Language translator
871. What is the most important software that runs on a computer?
Operating system
872. manages the computer's memory, process and all of its software & hard ware?
Operating system
873. What is DOS?
Disk Operating System
874. A single user, a single-tasking operating system with basic Kernel's functions and only one program at a time can run on it is called-------?
Disk Operating System
875. Which company's graphical operating system is Mac OS ?
Apple
876. Which company developed the operating system Windows?
Microsoft
877. Which is an operating system based on Linux Kernel and designed primarily for touch screens mobile devices such as smartphones and tablet computers?
Android
878. Initially developed by Android Inc, which company bought the Android operating system in 2005?
Google
879. What translate the symbolic codes of programs of assembly language into machine language?
Assembler
880. Which program translates the whole source program written in some high-level language into machine code at a time?
Compiler
881. What is the name of the program that executes the instructions written in a high-level language into machine code as line by line instructions?
Interpreter
882. What is the name of the software which helps to maintain & control computer resources?
Utility Software
883. Antivirus software, Disk tools & Back up software are examples of which software?
Utility software
884. A user-defined specific of computer software that employs the capabilities of a computer directly to a task that the user wishes to perform is called --- ----?
Application software
885. MS Office, Excel & PowerPoint are examples of which software?
Application software
886. Which type of software is sometimes known as 'off-the-shelf' software?
General Purpose Software
887. What is the name of the computer network covering a small physical area ( 1 Km or less)?
Local Area Network (LAN)
888. A larger computer network that usually spans a city or a larger campus (5 to 15 km) is known as-------?
MAN (Metropolitan Area Network)
889. What is the name of the computer net work that covers a broad area (cross metropolitan or regional boundaries)?
Wide Area Network (WAN)
890. What is the name of the technology for using the internet or another intermediate network to connect computers to isolated remote computer networks?
VPN (Virtual Private Network)
891. What is the global computer network providing a variety of information and communication facilities, consisting of interconnected networks using standardized communication protocols?
Internet
892. Which network later became the basis for the Internet?
ARPANET
893. In which year was the Internet services launched in India?
1995
894. Which telecom company was the first to provide Internet services in India?
VSNL (Videsh Sanchar Nigam Limited)
895. Which command is given to reboot the computer?
Ctrl+Alt+Del
896. In windows, the key combination to close a window is?
Ctrl+F4
897. What is the shortcut key to open the open dialogue box?
Ctrl+FI2
898. What is the full form of MPEG?
Moving Picture Experts Group
899. JPEG stands for?
Joint Photographic Experts Group
900. PDF stands for?
Portable Document Format
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