COMPUTER SCIENCE CLASS 6th
UNIT 1
1. Define ICT.
Ans: Information and communication technologies (ICT) is defined as a diverse set of technological tools
and resources used to transmit, store, create, share, or exchange information.
2. Differentiate between data and information with example.
Ans: Data is an individual unit that contains raw materials which do not carry any specific meaning.
Information is a group of data that collectively carries a logical meaning.
Examples are Timetable, Merit List, Report card, receipts, reports etc.
3. Write down ICT application in industries.
Ans: Some important applications of ICT include application in communication, measurement, industry,
and business.
4. Compare system software and application software with example.
Ans: Application Software helps the user to perform a specific task. For example, a word processing
software and gaming software.
System Software controls and manages the computer hardware. It enables the application software to
run for example, operating system, device drivers, etc.
5. Differentiate between input and output devices.
Ans: Input devices are used to enter data and instructions into the computer. Some commonly used input
devices are keyboard, mouse, microphone, and scanner.
Output devices are used to show the results of data processing. Some commonly used output devices
are display screen, printer, and speaker.
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6. Write functions of the following devices.
a. Printer: Printer is used to get hard copy of output like documents or photos, on paper etc.
b. Biometric device: Biometric is used for verifying the identity of living person.
c. Digital camera: Digital camera allows user to take photos or videos that can be stored in computer.
d. Smart phone: A smartphone is a cell phone that lets you do more than make phone calls and send
text messages.
e. Speaker: Speaker is used to listen the audio or sound from computer video games, video etc.
f. Router: Router is a network device that forwards data from one network to another and selects best
route.
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UNIT 2
1. Define operating system. List different examples of operating system.
Ans: Operating system: Operating system is an interface between the computer user and the components of
the computer. For example, Microsoft windows, chrome OS, Blackberry, Android OS etc.
2. What is utility program? Give two examples.
Ans: Utility program (service programs) perform specific tasks related to the management of computer
functions, resources, or files. Example of utility programs are managing files, virus protection.
3. Differentiate between a file and folder.
Ans: File: Stored data and information on computer are called files.
Folder: A folder is way to organize files on the storage device.
4. Write down steps to create a shortcut of Microsoft Word application on desktop.
Ans: Right-click the program name or tile, and then select Open file location. Right-click the program name,
and then click Send to > Desktop (Create shortcut).
5. Write down the steps to restore a deleted file.
Ans:
Restore a deleted file:
Ans:
A software developed to help the user to perform specific task is called application software. E.g.,
computer games, spreadsheet, and word processing.
a. Double click the Recycle bin icon on desktop.
b. Right clicking on the file, menu will appear. Select the restore option to restore an item to its
original location.
6. Define application software and list three types of application software.
7. Write down the steps to create a folder.
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Ans:
Steps:
Ans:
A marker, oil brush, watercolor brush, pencil, and eraser.
Ans:
The crop tool is used to create a new Canvas size and unwanted details of an object.
a. Right click on any empty section on desktop.
b. Select “new” from the menu.
c. Select the type of file you would like to create.
d. Enter the name for the newly created folder.
8. List any 5 brushes tools available in paint 3D.
9. Write down the purpose of crop tool.
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UNIT 3
1. Write down the algorithm to solve the following problems:
 Making a cup of tea:




Boil the water in the kettle.
Add sugar and tea to the water.
Add milk to the water.
Tea is ready.
 Going to school:
 Wake up.
 Fresh up.
 Take ready for the school.
 Go to school.
 Find area of rectangle:
 Input length and width of rectangle.
 Multiply length and width.
 Display area.
2. Differentiate between a potential solution and an ideal solution.
Ans:
All the possible solutions to a problem are called potential solution while the best of these solution is
called the ideal solution.
3. Develop your own conditional statements.
Ans:
IF today is Sunday, THEN stay at home ELSE go to school.
Ans:
a. A school system.
4. Write two examples of repetition from the real word.
B. Praying five times a day.
UNIT 4
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1. What is the programming language? List few programming languages.
Ans:
Programming language is a set of commands used to develop computer programs. E.g., python, SQL,
Java, C & C++.
2. Interpret the meaning of different colors of Code Blocks in Scratch.
Ans:
In scratch Blue block codes are used for motion and Yellow block codes for condition and loop.
Ans:
Step 1: Select control from the code block.
3. How do you create a loop in Scratch?
forever
Step 2: Now select one of these three blocks.
4. List down the components of Scratch interface.
Ans:
1. Block categories
2. Block palette
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A. Repeat
3. Programming area
B. Repeat until
4. Stages
C. Repeat
5. Sprites
UNIT 5
1. Define cybercrime.
Ans:
Cybercrime is any criminal activity that involves a computer, networked device, or a network.
2. What is the importance of ICT security?
Ans:
Cyber safety and security is the safe and responsible use of information and communication
technologies (ICT). It is about being safe, secure, and responsible with the information.
3. What is meant by information privacy?
Ans:
Information privacy is the privacy of personal information and usually relates to personal data stored on
computer system.
4. Describe why computer users should follow the moral guidelines of computer ethics.
Ans:
The objective of ICT ethics is to ensure the privacy and safety of the computer users and help the
people to use the computer in the right way.
5. Why do you think Cyber ethics are more important nowadays?
Ans:
It helps us understand the good and bad outcomes when using the computer online. Cyber ethics aim to
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protect the moral, financial, social behavior of individuals.
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1. What is meant by entrepreneurship?
Ans:
UNIT 6
Entrepreneurship is the process of setting up a new business. An entrepreneurship is an individual who
develops an idea and shapes this idea into business with some creativity.
2. Explain why internet-based entrepreneurship provides rapid opportunity to grow as compared to
home-based entrepreneurship?
Ans:
Internet-based entrepreneurship provides rapid opportunity to grow because people can access it
anywhere and anytime.
3. List down two advantages and two disadvantages of imitating entrepreneur.
Ans:
Advantages:
a. Easy to refine a business idea.
b. Can compare the performance with the original idea.
Disadvantages:
a. They must do a lot of work.
b. They may face disappointment and rejection.
4. Differentiate between traditional entrepreneurship and digital entrepreneurship.
Ans:
Traditional business offers its products or services to its local customers. While digital entrepreneurship
is a process of developing a business in which products or services are sold online.
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5. Explain the process of starting a new business for an entrepreneur.
Ans:
Entrepreneur research the market and try to identify the requirement of the customers. He comes up
with an innovative idea.
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