View latest educational results 2026 of class 9th, 10th / Matric / SSC, Intermediate / HSSC / FA / FSc / Inter, 5th / Primary, 8th / Middle, DAE, DBA, D.COM, BA / BBA / BCom / BSc / B.Ed, MA / MSc / MBA / MIT / MCS, MBBA / M.Ed, LLB, Engineering, M.Phil, PhD from all BISE / boards and Universities by roll number & by name and check old result 2025 online.

Home
eLearn
11th Class
11th Class Punjab
Computer Science
Computer Science Short Question
Basics Of Information Technology Short Questions Preparation

Chapter 1 Basics Of Information Technology Computer Science 11th Class Punjab Short Questions

Question No. 1 - Define track ball?

Answer No. 1 - The Track ball is a movable ball, on the top of a stationary device that is rotated with fingers or palm of the hand. Its popularity surged with the advent of laptop computer where travelling users found themselves without flat surface to roll the traditional wall.

Question No. 2 - Define Application Software.

Answer No. 2 - Application Software is the software that has been developed to solve a specific problem or they provide audio, video or multimedia entertainment to the users.

Question No. 3 - Define smart Card ?

Answer No. 3 - Smart card looks like a credit card but a microprocessor and memory chip have been added additionally.

Question No. 4 - What do you mean QWERTY?

Answer No. 4 - The keyboard may be look like a typewriter keypad to which some special keys have been added. The keys normally available on the keyboards are Numerics, Alphabatic, Function and additional special purpose keys. The standard keyboard OS also called "QWERTY".

Question No. 5 - How is printer resolution measured?

Answer No. 5 - In printing DPI Dot per Inch refers to the output resolutions of a printer. Non impact printers have high resolution then impact printers. The laser printers can produce high quality image of both text and graphics ranging from 300 dpi to 1200 dpi.

Question No. 6 - State the basic use of Digital Camera.

Answer No. 6 - A digital camera used a light sensitive processor chip to capture photographic image in the digital form on a small diskette inserted in the camera or on flash memory chips.

Question No. 7 - Define utility programs?

Answer No. 7 - A program that performs a specific task related to the management of computer functions, resource, or files as password protection memory management virus protection and file compression.

Question No. 8 - Define SVGA.

Answer No. 8 - SVGA Support 256 colors at higher resolution than VGA. It has two graphics mode 800 x 600 pixels and 1024 x 768 pixels. It is called 8 bit color.

Question No. 9 - What is touch pad?

Answer No. 9 - The touch pad is a small, flat surface over which slider our finger using the some movements as we would with mouse. As we move the finger, the cursor follows the movement. We click by tapping the finger on the pad surface or by pressing button positioned close by the pad.

Question No. 10 - Define utility programs.

Answer No. 10 - A program that performs a specific task related to the management of computer functions, resources or files as password protection, memory management and file compression.

Question No. 11 - What do you mean by implementation.

Answer No. 11 - This activity consists of transferring the hardware, software and data to the new working environment Server. Implementation may be achieved in five steps.
1. Direct implementation
2. Parallel implementation
3. Phased implementation
4. Pilot implementation
5. User training

Question No. 12 - List two types of video capture card?

Answer No. 12 - Video-input device:Films and video images from VCR or Camrecorder are converted to digital form with the help of special digitizing card.
It has two types:
1. Frame-grabber
2. Full motion video card

Question No. 13 - What is touch pad or track pad ?

Answer No. 13 - The touch pad is a small flat surface over which we slide our finger, using the same movement as we would with a mouse.

Question No. 14 - What is magnetic striped card?

Answer No. 14 - A magnetic striped card has a strip of magnetically encoded data on its back. They are used for personal identification during driving in the store at public place etc.

Question No. 15 - Define Software.

Answer No. 15 - Software means computer instruction data. Any thing that can be stored electronically is software. Software can be classified into two types.
1. System Software
2. Application Software

Question No. 16 - Define Barcode.

Answer No. 16 - Barcode are vertical zebra-stripped marks we find on most of the manufactured product in the market. This barcode system is also called universal product code. These are read by barcode reader, photo electric scanner that translate the barcode symbols into digital code.

Question No. 17 - What is the use of MICR?

Answer No. 17 - MICR Magnetic-Ink Character Recognition: MICR is a method of Machine reading character, which are magnetized participles. MICR character which are printed with magnetized ink are read by MICR equipment, producing a digitized signal.

Question No. 18 - What is Printer?

Answer No. 18 - Printer are used to print character ,symbols and graphics on paper. They are divided into two categories :
. Impact Printers
. Non Impact printers
. Impact printers are sub divided
. Dot Matrix Printers
. Daisy wheel printers
. Line Printers
. Non Impact printers are sub divided
. Laser Printers
. Ink-Jet Printers
. Thermal Printers

Question No. 19 - What is Computer Hardware?

Answer No. 19 - A physical part of the computer that we can touch. For Example keyboard, mouse. It also includes all the part inside computer case such as the hard disk, mother board.

Question No. 20 - What is the purpose of central processing unit?

Answer No. 20 - The processor CPU, has the electronic circuitry that manipulates input data into the form of useful information. The processor actually executes the instruction in a logical sequence.

Question No. 21 - Define SDLC System Development Life Cycle.

Answer No. 21 - SDLC was develop which is an organized way to develop a successful system. It involves five phases. Preliminary Investigation System Analysis Design Coding And Testing Implementation.

Question No. 22 - What is video Adapter?

Answer No. 22 - To Display graphics a display screen must have a video display adapter attached with the computer. It is known as a video graphics card and in a circuit board that determines the resolutions numbers of colours and speed with which images appear on the screen. There are three types of graphics card.
1. VGA
2. SVGA
3. XGA

Question No. 23 - Write the name of two video capture card?

Answer No. 23 - 1. Frame Grabber
2. Full Motion on Video Call

Question No. 24 - Define Trackball.

Answer No. 24 - The trackball is a move able ball, on the top of stationary device that is rotated with finger or palm of the hand. Its popularity surged with the advent of laptop computer where travelling user found themselves without flat surface to roll the traditional mouse.

Question No. 25 - What is gas plasma display?

Answer No. 25 - Gas plasma display is like a neon bulb in which the display uses a gas that emits light in the presence of electric current.
At present, EL and gas plasma technology are more expensive thus are not used as after as LCD technology.

Question No. 26 - What is use of Ctrl key.

Answer No. 26 - Ctrl Key Control Key: The control key is pressed in the combination with other keys initiate commands as specified by the software.
Example:
Ctrl + C is used for copy.
Ctrl + V is used for paste.

Question No. 27 - Write two differences between soft copy and hard copy.

Answer No. 27 - Soft Copy:
1. It cannot be touched.
2. Virtual reality and reboot might also considered soft
copy.

Question No. 28 - What is Plotter?

Answer No. 28 - A plotter is used to produce high quality graphics in many colors and used for specialized applications i.e architectural drawing, maps, graphics and chart. Plotters are two basic kinds.
1. Flatbed Plotters
2. Drum Plotter

Question No. 29 - Differentiate between data and information?

Answer No. 29 - Data:
1. Data is in raw form
2. Data does not helpful in making intelligent decision
3. Data becomes information when we process it
4. Data is collected form various source
Information:
1. Information comprises processed, organised data
presented in a meaningful context
2. Information is a group of data that collectively carries
a logical meaning
3. Information is sufficient for decision making
4. The average score of a class is the information
derived from the given data

Question No. 30 - Distinguish between hardware and software?

Answer No. 30 - Hardware:
1. Hardware is available in physical and tangible form.
2. Hardware is weight
3. Hardware is installing is called upgrading
Software:
1. Software is a set of instruction that tells a computer
exactly what to do.
2. It is developed and engineered
3. Software can not be executed without hardware

Question No. 31 - What is meant by information technology?

Answer No. 31 - Information technology is a technology that merges computing with high-speed communication links carrying data in the form of text sound, images. videos etc.

Question No. 32 - Identify two alternatives to a mouse.

Answer No. 32 - Alternative to a Mouse:
1. Trackball:The trackball is a movable ball on the top of
a stationary device that is rotated with finger or palm
of the hand.

Question No. 33 - What is system? List different components of system?

Answer No. 33 - A system can be defines as a combinations of some related components that interact with each other to perform specific task. The system comprises of the following components.
1. Hardware
2. Software
3. Data/Information
4. Users
5. Communication Setup

Question No. 34 - Define Smart Card.

Answer No. 34 - Smart Card look likes a credit card but a microprocessor and memory chip have been added additionally. When inserted into a reader it exchanges data with the corresponding information on a central computer.

Question No. 35 - What are Non-Impact Printers?

Answer No. 35 - Non Impact printers forms character or images without making direct physical contact between printing mechanism and paper. There are three types of non impact printers.
1. Laser Printers
2. Ink-Jet Printers
3. Thermal Printers

Question No. 36 - Define input devices.

Answer No. 36 - In computing, an input device is any peripheral piece of computer hardware equipment used to provide data and controls signal to an information processing system such as computer or other information appliance.

Question No. 37 - Define barcode ?

Answer No. 37 - Barcode are the vertically Zebra-stripped marks we find on most of the manufactured products in the market this barcode is also called the universal product code.

Question No. 38 - What do you know about pen-based system?

Answer No. 38 - In the next few years, students may be able to take notes in class without ink and paper, if pen-based computer system are introduce. These computers use a pen-like stylus to allow people to enter handwriting and marks on to a computer screen rather than typing on a keyboard.

Question No. 39 - Write the use of stylus.

Answer No. 39 - A Stylus is a pen like device with which user sketch an image. Stylus is used to input commands to computer screen, mobile device or graphical tablets with touch screen device.

Question No. 40 - Why is it important to test a system before use?

Answer No. 40 - Testing having proper hardware acquired, the programs can be tested into two stages.
1. Unit testing
2. System Testing
It is important to test a system before used because if any problems occurs in the system then it return to previous phase. It is also important to ensure that system should not result into any failures because it can be very expensive.

Question No. 41 - What is the use of optical character reader OCR?

Answer No. 41 - It use a device that reads printed character in a particular font and convert them to digital code. The common example are some utility bills and price tag in the department store.

Question No. 42 - How is printer resolution measured ?

Answer No. 42 - In printing, DPI refers to the output resolution of a printer. Non impact printers have high resolution then impact printers. The laser printer can produce high quality image of both text and graphics.

Question No. 43 - List some example of pointing device.

Answer No. 43 - Pointing device control the position of the cursor pointer on the screen. They include following:
1. Mouse
2. Track Ball
3. Pointing Stick
4. Touch Pad
5. Touch Screen
6. Pen Based System

Question No. 44 - Differentiate between data and information.

Answer No. 44 - 1. Data is in row form.
2. Data does not helpful in making intelligent decisions.
3. Data becomes information when we process it.
4. Data is collected from various source.

Question No. 45 - What is touch screen?

Answer No. 45 - A touch screen is a video display screen that is sensitized to receive input from simply touching our fingers on to it.it covered with plastic layers, behind which are invisible beam of infrared light.

Question No. 46 - Define Hard Copy Output.

Answer No. 46 - Hard copy refers to the printed output. The principle example are printed out, whether text graphics from printer or plotters etc.

Question No. 47 - What is touch pad or track pad?

Answer No. 47 - The touch pad is a small,flat surface over which we slide our finger, using same movements as we would with mouse.

Question No. 48 - What is the use of Ctrl Key ?

Answer No. 48 - The control key is pressed in combination with other keys initiate commands as specified by the software.

Question No. 49 - Define bit and byte.

Answer No. 49 - Bit: The binary numbers 1 and 0 is called a bit For binary digit, which is the basic unit for storing data in the computer memory.

Question No. 50 - What is information technology?

Answer No. 50 - Information technology is technology that merges computing with high-speed communications links carrying data in the form of text, sound, images, videos from one place to place over the global village.

Question No. 51 - Define system software.

Answer No. 51 - Software can be classified into following main two categories.
1. System Software
2. Application Software
System Software: System software is used to control the usage and allocation of different hardware components and enable the other applications programs to execute.

Question No. 52 - Define input device?

Answer No. 52 - In computing, an input devices is any peripheral used to provide data and control signals to an information processing system such as computer or other information appliance.l

Question No. 53 - What is light pen?

Answer No. 53 - The light pen is light sensitive stylus or pen like device connected by a wire to the computer terminal. The user brings the pen to a desired point in the display screen and press the pen button which identifies that screen location to the computer.

Question No. 54 - What do you know about pen-based-system.

Answer No. 54 - In the next few years,student may be able to take notes in class without ink and paper, if pen based computer system are introduced. These computer used a pen like a stylus to allow people to enter handwriting and marks onto a computer screen rathar than typing on a keyboard.

Previous Question

1-54

Next Question