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• knowing how to operate computers
• knowing how to use Internet to browse for collecting, storing and disseminating information.
B. Long answer type questions:
1. Discuss any three impacts of ICT in personal life.
Ans. Impacts of ICT in our personal life are:
• Shopping: Our shopping habits have changed because of the online medium. Instead of going to market, we can
receive everything at our doorstep with online shopping. It not only saves our effort of going out but also provides
us with options of reasonable prices.
• Communication: ICT helps us to communicate to our friends and relatives. There are more and more ways to talk to
people without meeting them. For example through email, video conferencing, video calls, etc.
• Entertainment: Till now television was the only way of home entertainment. The trend has changed tremendously.
Nowadays there’s a parallel entertainment industry that is producing entertainment programs for online mediums.
There are series and movies that are launched online only.
2. Define any two ICT tools.
Ans. Following are the tools of ICT:
• Smartphones are considered important ICT tools due to their multifunctionality and portability. It enables the users
to seamlessly integrate work, communication, and entertainment that enhances accessibility and connectivity.
• Tablet is a mini computer with input, output and processing functions that are all combined into one ‘touchscreen’,
where you can do various tasks just by touching its screen. It is bigger than a smartphone and you can perform all
the functions that one can perform on a computer or a smartphone.
3. What are the four basic operations of computers?
Ans. Computer performs four basic operations:
• Input (Raw Data): It is the collection of raw facts or figures in the form of text, numbers, graphs, etc. Also called raw
data or unprocessed data. Provided to the computer using Input devices like keyboard, mouse, scanner etc.
• Process: It is the methods used to convert raw data into meaningful information. The Central Processing Unit (CPU)
of the computer is responsible for processing of data.
• Output (Information): It is the processed data which has been manipulated and arranged in the form the user
wants. It is also called meaningful data or Information. Given to the user through output devices like monitor, Printer,
Plotter, Speaker etc.
• Storage: It is storing either raw data or processed information. Stored either using secondary storage devices like
Flash drive, Hard disk, Compact Disk or online storage medium like Google cloud, etc.
4. Explain the different parts of the CPU.
Ans. CPU is basically divided into three parts:
• ALU stands for Arithmetic Logic Unit. It is responsible for all mathematical and logical calculations.
• CU stands for Control Unit. It controls the flow of information in the system. The control unit is responsible for the
flow of data from input devices to the process unit and then to the output devices. It works like a traffic policeman
who controls the traffic on the road.
• MU stands for Memory Unit. It is a storage unit that holds the processed or unprocessed data.
5. Define OS. Give examples of operating systems.
Ans. An operating system is system software which acts as an interface between the user and the computer. It is an
important component of a computer system which controls all other components of the computer system. It helps us
to communicate with the computer without knowing its language. Without an Operating System the computer is of no
use. Some of the commonly used Operating systems are Windows, DOS, UNIX, etc.
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