Computer Questions

Q1. Who among the following is known as the Father of The Internet?
(a) Tim Berners-Lee
(b) Raymond Tomilson
(c) Douglas Englebart
(d) Charles Babbage
(e) Vint Cerf

S1. Ans.(e)
Sol. Tim Berners-Lee- Inventor of the World Wide Web.  Berners-Lee is the director of the World Wide Web Consortium (W3C), which oversees the continued development of the Web.
Raymond Tomilson-Sent the first e-mail (to himself)
Douglas Englebart- Father of computer mouse
Charles Babbage- Father of computers, inventor of analytical engine and difference engine
Vint Cerf- Father of the Internet. Cerf is the co-designer of the TCP/IP protocols and the architecture of the Internet.

Q2. Which among the following is a device that has functioning of a mobile information manager?
(a) PDA
(b) MICR
(c) Mainframe
(d) Light Pen
(e) OCR

S2. Ans.(a)
Sol. Personal Digital Assistant (PDA) is a device with functioning of a mobile information manager.

Q3. ______ key combination is used to reverse the last Undo.
(a) Ctrl+A
(b) Ctrl+C
(c) Ctrl+W
(d) Ctrl+Y
(e) Ctrl+Z

S3. Ans.(d)
Sol. Ctrl+A- to select all
Ctrl+C- to copy
Ctrl+W- to close currently focused tab/window
Ctrl+Y- used to reverse last undo
Ctrl+Z- to reverse last action i.e. to perform undo operation

Q4. IEEE standard 802.3 is for which of the following?
(a) Higher Layer LAN Protocols
(b) Wireless PAN
(c) Ethernet
(d) Bluetooth certification
(e) None of the above

S4. Ans.(c)
Sol. IEEE 802 is a family of IEEE standards dealing with local area networks and metropolitan area networks. 802.3 is for Ethernet.

Q5. The OSI model defines internetworking in terms of a vertical stack of layers.  The OSI model doesn't perform any functions in the networking process. It is a conceptual framework so we can better understand complex interactions that are happening. Frame is protocol data unit of which OSI Layer?
(a) Layer 7
(b) Layer 3
(c) Layer 8
(d) Layer 1
(e) Layer 2

S5. Ans.(e)
Sol. There are 7 layers in the OSI Model and OSI stands for Open System Interconnection.
Following are the protocol data units of OSI Layers:
Layer 1- bit
Layer 2 - frame,
Layer 3 - packet
Layer 4 - segment
Layer 5 and above- data.

Q6. Which of the following is a term for the process of trading goods over the Internet?
(a) e-selling-n-buying
(b) e-trading
(c) e-finance
(d) e-salesmanship
(e) e-commerce

S6. Ans. (e)
Sol. Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.

Q7. An example of a telecommunications device is a ________.
(a) keyboard
(b) mouse
(c) printer
(d) modem
(e) None of these

S7. Ans. (d)
Sol. Modem is a telecommunication device.

Q8. An application where only one user accesses the database at a given time is an example of a(n) ________ .
(a) single-user database application
(b) multiuser database application
(c) e-commerce database application
(d) data mining database application
(e) None of these

S8. Ans. (a)
Sol. Single-user mode allows only one connection to a database at a given moment in time.

Q9. A nibble is equal to _____________ bits.
(a) 16
(b) 32
(c) 4
(d) 8
(e) 18

S9. Ans. (c)
Sol. A nibble =4 bits.

Q10. What is a named area on a disk that is used to store related subfolders and files called?
(a) desktop
(b) folder
(c) menu
(d) Safari
(e) explorer

S10. Ans.(b)
Sol. A folder is a virtual location where programs, files, and other folders can be located.

Q11. The two ways to arrange multiple windows on the desktop are:
(a) cascade and tile
(b) drag and drop
(c) point and click
(d) minimize and maximize
(e) copy and paste

S11. Ans. (a)
Sol. cascade and tile are two ways to arrange multiple windows on the desktop.

Q12. _____________ is a service that allows organisations to make their own website.   
(a) Web hosting
(b) Web surfing
(c) Domain hosting
(d) Linux hosting
(e) Windows hosting

S12. Ans.(a)
Sol. Web hosting is a service that allows organisations to make their own website accessible through WWW. This service allows you to share the data on the Web or the Internet by storing your Web page on the Internet.

Q13. Which of the following HTML tags is used to create a horizontal line on a Web page? 
(a) <hr>
(b) <tr>
(c) <line>
(d) <hr1>
(e) <line direction = “horizontal”>

S13. Ans.(a)
Sol. In HTML, you can create a horizontal line on a Web page by using the <hr>tag. The purpose of the <hr> tag is to separate paragraphs or sections on a Web page.

Q14. Which of the following image formats was developed for CompuServe?
(a) JPEG Image
(b) GIF Image
(c) PNG Image
(d) BMP Image
(e) None of these

S14. Ans.(b)
Sol. The GIF image format was developed for CompuServe (an online information service). Converting an image to a GIF image format is safe as no data is lost at the time of conversion.

Q15. Which among the following is a Super computer series developed by Indian scientists?
(a) Param
(b) Super30l
(c) Compaq Presario
(d) Cray YMP
(e) Blue Gene

S15. Ans.(a)

Sol. PARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing (C-DAC) in Pune, India. The latest machine in the series is the PARAM Kanchenjunga.

Computer Questions

Q1. _________ is the time taken by the switch in the identification of bit-level errors in the data packet.  
(a) Processing delay
(b) Queuing delay
(c) Transmission delay
(d) Propagation delay
(e) Network delay

S1. Ans.(a)
Sol. Processing delay is the amount of time taken by the switch for examining the header of the data packet and examining the next switch for redirecting the data packet. It can also be defined as the time taken by the switch in the identification of bit-level errors in the data packet. It is measured in microseconds.

Q2. Bridge is a _________ device.   
(a) layer 4
(b) layer 2
(c) layer 5
(d) layer 7
(e) layer 3

S2. Ans.(b)
Sol. A bridge is a network device used at the data link layer to connect two dissimilar networks as well as similar networks.

Q3. Which of the following cable types is called cheapernet? 
(a) Thicknet
(b) UTP
(c) SMF
(d) Thinnet
(e) STP

S3. Ans.(d)
Sol. As the installation cost of thinnet coaxial cable is less, it is also known as cheapernet.

Q4. The __________ menu contains the options to add symbols in a Word document.
(a) Home
(b) Insert
(c) Review
(d) Mailing
(e) View

S4. Ans.(b)
Sol. The Insert menu is MS Word contains the Symbol option that allows you to insert symbols in the document.

Q5. The __________ shows a brief description and, optionally, keyboard shortcuts of commands of dialog box launchers.
(a) Context menu
(b) KeyTip
(c) Screen Tip
(d) Live Preview
(e) Animation

S5. Ans.(c)
Sol. ScreenTip is a small window that appears when the pointer is rolled over a command or control. It shows the descriptive text for that command or control.

Q6. You can select which of the following format to save a document in a previous Word version?
(a) Word 97-2003 Document
(b) Word Template
(c) XPS Document
(d) Open Document Text
(e) None of these

S6. Ans.(a)
Sol. Word 97-2003 Document is a compatible format used to save a document in a compatibility mode with previous versions of Word document.

Q7. A Bug can be called an error which generally comes in a software or a hardware. Which among the following is another name that may refer to bugs in computers? 
(a) Leech
(b) Squid
(c) Slug
(d) Glitch
(e) Skim

S7. Ans.(d)
Sol. Glitch is a term used to express temporary malfunctioning of software, whereas a bug refers to a problem inherent in the design or coding of the software.

Q8. Which of the following general purpose software allows you to do mathematical or financial calculation?  
(a) Word processing program
(b) Spreadsheet program
(c) Presentation program
(d) Media Player
(e) DTP program

S8.  Ans.(b)
Sol. A spreadsheet program is general-purpose software that allows you to do mathematical or financial calculation. An example of a spreadsheet program is MS excel.

Q9. Which of the following is used to insert a CD/DVD in a computer? 
(a) NIC Card
(b) Modem
(c) Hard Drive
(d) Disk Drive
(e) USB

S9. Ans.(d)
Sol. Disk drive is a device in computer that is used to insert or remove CD, DVD or Blu-ray disc.

Q10. Which of the following displays the work done by a computer? 
(a) RAM
(b) Printer
(c) Monitor
(d) ROM
(e) Mouse

S10. Ans.(c)
Sol. A monitor is an output device that displays the output after processing the instructions provided by the user.

Q11. Who among the following is considered the father of modern computing? 
(a) Joseph Marie Jacquard
(b) John Napier
(c) Blaise Pascal
(d) Charles Babbage
(e) Herman Hollerith

S11. Ans.(d)
Sol. Charles Babbage invented Difference Engine and Analytical Engine. Because of the immense contribution and impact that his inventions had on the history of computing, Babbage is regarded as the father of the modern computer.

Q12. What is the function of the AutoCorrect feature across all MS Office applications?
(a) Replacing misspelled words with the correct ones while typing
(b) Replacing grammatically incorrect words with the correct ones
(c) Replacing repetitive words with the word ‘same’
(d) Replacing selected words with the word ‘auto’
(e) None of these

S12. Ans.(a)
Sol. The AutoCorrect feature is used to correct typo errors and miss-spelled words automatically according to the words given in the list for the AutoCorrect feature.

Q13. In excel which of the following symbols is used before a numeric value so that it can be treated as a labelled value?
(a) ” (quote)
(b) = (equal)
(c) _ (underscore)
(d) ’ (apostrophe)
(e) None of these

S13. Ans.(d)
Sol. In MS Excel, apostrophe is a symbol that is used to convert the numeric value in the text format. To do this, you need to add the apostrophe symbol before the numeric value.

Q14. A cell range in Excel is represented by using which among the following sign?
(a) comma
(b) colon
(c) semicolon
(d) forward slash
(e) None of these

S14. Ans.(b)
Sol. A cell range refers to a group of cells within a row or column. For example, a cell range including the cells B1, B2, B3, B4 and B5 will be written as B1:B5.

Q15. In MS Excel, both formulas and functions must be preceded by the which of the following, for Excel to understand them?
(a) hash sign
(b) equals sign
(c) percent sign
(d) asterisk sign
(e) None of these

S15. Ans.(b)
Sol. In MS Excel, the equals sign is used to start a formula or function.

Computer Questions

Q1. Which of the following is the activity of purchasing items and products form different websites on the internet and using online modes, such as credit cards and debit cards, to make the payments?  
(a) E-banking
(b) Online shopping
(c) Online reservation
(d) M-reservation
(e) None of these

S1. Ans.(b)
Sol. The activity of purchasing items from different websites on the internet is known as online shopping.

Q2. A commonly used graphic format for the Web is  ______.
(a) GIF
(b) BMP
(c) TXT
(d) LMP
(e) TIF

S2. Ans.(a)
Sol. The Graphics Interchange Format (GIF) is used to save simple Web graphics having limited colours. This image format is usually used for Web buttons, charts and text headings.

Q3. Identify the volatile storage device amongst the following devices? 
(a) RAM
(b) Hard disc
(c) Magnetic tape
(d) ROM
(e) None of these

S3. Ans.(a)
Sol. A volatile device is a device that stores data temporarily. An example of a volatile device is RAM.

Q4. Which type of device is used by banking websites to enter the password and prevent keystroke legging?  
(a) Scanner
(b) Reader
(c) Virtual keyboard
(d) Light Pen
(e) None of these

S4. Ans.(c)
Sol. A virtual keyboard is used for entering characters in a computer like a regular keyboard. However, unlike a regular keyboard, it is a software component.

Q5. Artificial intelligence is used in which of the following generations of computers?
(a) Second
(b) Third
(c) Fourth
(d) Fifth
(e) None of these

S5. Ans.(d)
Sol. Artificial intelligence is used in fifth generation computers.

Q6. Which of the following computers exhibits the features of both analog the digital computers?  
(a) Hybrid computer
(b) Mini computer
(c) Laptop
(d) Mainframe computer
(e) None of these

S6. Ans.(a)
Sol. The computer that exhibits the features of both digital and analog computers is known as a hybrid computer.

Q7. These printers do not establish any mechanical contact between the print head and the paper. The examples of such type of printers are  
(a) line printers, drum printers
(b) drum printers and dot-matrix printers
(c) line printers and dot-matrix printers
(d) inkjet and laser printers
(e) All of these

S7. Ans.(d)
Sol. Non-impact printer does not establish any mechanical contact between the print head and the paper. The well-known non-impact printers are inkjet and laser printers.

Q8. _____________ is a service that allows organisations to make their own website.   
(a) Web hosting
(b) Web surfing
(c) Domain hosting
(d) Linux hosting
(e) Windows hosting

S8. Ans.(a)

Sol. Web hosting is a service that allows organisations to make their own website accessible through WWW. This service allows you to share the data on the Web or the Internet by storing your Web page on the Internet.

Q9. Which of the following HTML tags is used to create a horizontal line on a Web page? 
(a) <hr>
(b) <tr>
(c) <line>
(d) <hr1>
(e) <line direction = “horizontal”>

S9. Ans.(a)
Sol. In HTML, you can create a horizontal line on a Web page by using the <hr>tag. The purpose of the <hr> tag is to separate paragraphs or sections on a Web page.

Q10. Which of the following image formats was developed for CompuServe?
(a) JPEG Image
(b) GIF Image
(c) PNG Image
(d) BMP Image
(e) None of these

S10. Ans.(b)
Sol. The GIF image format was developed for CompuServe (an online information service). Converting an image to a GIF image format is safe as no data is lost at the time of conversion.

Q11. Which among the following is a Super computer series developed by Indian scientists?
(a) Param
(b) Super30l
(c) Compaq Presario
(d) Cray YMP
(e) Blue Gene

S11. Ans.(a)
Sol. PARAM is a series of supercomputers designed and assembled by the Centre for Development of Advanced Computing (C-DAC) in Pune, India. The latest machine in the series is the PARAM Kanchenjunga.

Q12. Which of the following is the foray introduced by Microsoft into the gaming console market? 
(a) X-box
(b) Set-up
(c) Multi play
(d) I-phone
(e) None of these

S12. Ans.(a)
Sol. In the gaming console market, Microsoft launched its first foray named X-box that is actually a video game console.

Q13. Which of the following statements is correct about EPROM? 
(a) It is a type of ROM from which the stored data cannot be erased
(b) In this memory, data can be erased by electronic emission
(c) It is a type of RAM
(d) Ultraviolet rays are used to erase the data stored in the memory
(e) None of these

S13. Ans.(d)
Sol. Erasable Programmable Read-Only Memory (EPROM) is a type of ROM from which the stored data can be erased using ultraviolet rays.

Q14. What is the maximum number of lines you can set for a Drop Cap?  
(a) 6
(b) 10
(c) 15
(d) 56
(e) None of these

S14. Ans.(b)
Sol. A drop cap refers to a large letter positioned at the beginning of a text. It can have the depth of a maximum of ten lines of regular text.

Q15. If you wish to extend the length of the network without having the signal degrade, you would use a _____. 
(a) Repeater
(b) Router
(c) Gateway
(d) Switch
(e) None of these

S15. Ans. (a)

Sol. A repeater is an electronic device that receives a signal and retransmits it at a higher level or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances.

COMPUTERS

Q1. Which of the following is an example of application software? 
(a) Microsoft Windows
(b) Linux
(c) Mac OSX
(d) MS Word 2007
(e) None of these

S1. Ans. (d)
Sol. MS Word 2007 is application software.

Q2. Mozilla Firefox is a: 
(a) Spreadsheet
(b) Word processing software
(c) Web browser
(d) Programming software
(e) None of these

S2. Ans. (c)
Sol.  Mozilla Firefox is a web browser.

Q3. _____ is usually recorded and played, displayed, or accessed by information content processing devices, which as computerized and electronic devices, but can also be part of live performance. 
(a) Virus
(b) BIOS software
(c) Multimedia
(d) C++
(e) LAN

S3. Ans. (c)
Sol. Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (Video), animation, audio, and any other media where every type of information can be represented, stored, transmitted and processed digitally.

Q4. Which of the following appropriately relates with starting up an operating system?  
(a) Starting
(b) Entering
(c) Formatting
(d) Booting
(e) None of these

S4. Ans. (d)
Sol. Booting is a start up sequence that starts the operating system of a computer when it is turned on. A boot sequence is the initial set of operations that the computer performs when it is switched on. Every computer has a boot sequence.

Q5. In MS-DOS 6.22, which part identifies that product uniquely?
(a) MS
(b) DOS
(c) Ms - DOS
(d) 6.22
(e) None of these

S5. Ans. (d)
Sol. MS-DOS 6.22; 6.22 is the version number which identifies it uniquely.

Q6. DOS stands for _____. 
(a) Disk Orientation system
(b) Disk Operating Signal
(c) Disk Operating System
(d) Disk Orientaional Signal
(e) None of these

S6. Ans. (c)
Sol. DOS stands for Disk Operating System

Q7. Android is a mobile operating system designed primarily for touchscreen mobile devices such as smartphones and tablets.  Which among the following was the first Android Operating System?
(a) Cupcake
(b) Alpha
(c) Gingerbread
(d) Doughnut
(e) Oreo

S7. Ans.(b)
Sol. Alpha was android version 1.0 released on 23rd September 2008. Android is continually developed by Google and the Open Handset Alliance (OHA), and has seen a number of updates to its base operating system since the initial release. The latest version on Android is Oreo – version 8.0

Q8. Which among the following key combination can be used to search in Windows Explorer?
(a) Ctrl+F
(b) Ctrl+S
(c) Ctrl+G
(d) Alt+S
(e) None of the above

S8. Ans.(a)
Sol. Ctrl+F is the short cut key combination that can be used to search in Windows Explorer.

Q9. A router is a networking device that forwards data packets and is connected to two or more data lines from different networks. Which among the following was the earliest device which had almost the same functionality as that of a router? 
(a) Interface Delay Device
(b) Interface Traffic Manager
(c) Interface Routing Processor
(d) Interface Message Processor
(e) Interface Data Manager

S9. Ans.(d)
Sol. The very first device that had fundamentally the same functionality as a router does today was the Interface Message Processor (IMP); IMPs were the devices that made up the ARPANET, the first TCP/IP network.

Q10. A vacuum tube (also called a VT, electron tube or, in the UK, a valve) is a device sometimes used to amplify electronic signals.  Vacuum Tubes were used in which generation of Computers?
(a) 1st Generation
(b) 2nd Generation
(c) 3rd Generation
(d) 4th Generation
(e) 5th Generation

S10. Ans.(a)
Sol. First Generation computers are characterized by the use of vacuum tubes. These vacuum tubes were used for calculation as well as storage and control. Later, magnetic tapes and magnetic drums were implemented as storage media. The first vacuum tube computer, ENIAC, was developed by US army ordinance to calculate ballistic firing tables in WWII. It had about 17 000 vacuum tubes.

Q11. What converts high-level languages into machine language?  
(a) Complier
(b) Assembler
(c) Operating System
(d) CPU
(e) Browser

S11. Ans.(a)
Sol. A complier is used to translate a program written in a high-level language to a machine language by compiling the entire program in one go.

Q12. Which of the following electronic devices processes data, converting it into information? 
(a) Computer
(b) Memory
(c) Case
(d) Stylus
(e) None of these

S12. Ans.(a)
Sol. A computer is an electronic device that accepts and stores data input, processes the data input, and returns as information.

Q13. Twisted pair wire is commonly used in which of the following? 
(a) Telephone networks
(b) Cable TV networks
(c) Computer networks
(d) Both (a) & (b)
(e) None of the above

S13. Ans.(a)
Sol. Twisted pair wires are used in telephone networks and for digital data transmission over short distances up to 1 km.

Q14. In network topology, all devices on a network are connected to a single continuous cable called:
(a) Star
(b) Ring
(c) Bus
(d) Tree
(e) Mesh

S14. Ans.(c)
Sol. The bus topology is also known as linear topology. This type of topology was used in traditional data communication networks. In this topology, a host located at one end of the bus (or the central node) communicates with all the other nodes attached along its length.
 
Q15. A term for retrieving software or other files on your computer from a computer network or Internet.
(a) Upload
(b) Download
(c) Sharing
(d) Mailing
(e) Editing

S15. Ans.(b)

Sol. Download refers to the process of obtaining software or other files on your computer from a computer network or the Internet.