class 9 computer notes cbse chapter green skill
Answers
) Short Answer Questions (I)
1. Give any four reasons for using ICT in daily life.
Four reasons for using ICT in daily life is
· Paying utility bills from home
· Book train and flight tickets online
· Taking online classes
· Transfer money between accounts
2. Describe what kind of machine a tab is.
A tab is a short form of computer tablet. It has all features of a computer.
3. What is the difference between hardware and software, in terms of physical existence?
Hardware refers to the physical and tangible components of the computer i.e. the components that can be seen and touched while Software represents the set of programs that govern the operation of a computer system and make the hardware run
4. Describe what a Printer is.
A printer is an output device. It is used to take print out of the documents. It can be classified as impact printers and non-impact printers.
5. What kind of OS is a multiprocessing OS?
Multiprocessing OS is the one which can handle multiple processors at a time.
6. In Ms-Word, with what key do you end the line?
In Ms-Word we end the line using the enter key.
C) Short Answer Questions (II)
1. What is the browser used on the computer for?
A web browser is a software application for accessing information on the World Wide Web.
2. Give three common properties of the browsers.
Three common properties of the browsers are
· Allow the user to open multiple pages at the same time, either in different browser windows or in different tabs of the same window.
· Back and forward buttons to go back to the previous page visited or forward to the next one.
· A refresh or reload button to reload the current page.
Answer:
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