Questions And Answers

1.8  WHAT YOU HAVE LEARNT

In this lesson we have discussed about the major characteristics of computer. The speed, accuracy, memory and versatility are some of the features associated with a computer. But the computer that we see today has not developed over night. It has taken centuries of human effort to see the computer in its present form today. There are five generations of computer. Over these generations the physical size of computer has decreased, but on the other hand the processing speed of computer has improved tremendously. We also discussed about the varieties of computers available today.

1.9 TERMINAL QUESTIONS

1.  Why is computer known as data processor?

2. Explain in brief the various generations in computer technology?

3. Write a short note on Fifth Generation of computer. What makes it different from Fourth generation computer?

4. Why did the size of computer get reduced in third generation computer?

5. Give short notes on the following:

  (a) Versatility    (b) Storage (c) Slide Rule   (d) Babbage’s Analytical Engine

6. Distinguish between Microcomputer and Mainframe computer.   

1.10 FEEDBACK TO IN-TEXT QUESTIONS

IN-TEXT QUESTIONS 1

1.                  A computer is an electronic device, which is used to accept, store, retrieve and process the data. It is called as data processor because it is mainly used for processing data for producing meaningful information.

2.                  The characteristics of computer are speed, accuracy, diligence, versatility and storage.

IN-TEXT QUESTIONS 2

1.     Analytical engine, 1823.

2.      Charles Babbage

IN-TEXT QUESTIONS 3

1.      Five generations

2.      Very Large Scale Integrated Circuits

3.      Fourth Generation 

1.11 TERMINAL QUESTIONS

1. Explain various types of computers.

2.Explain in brief the various generations in computer technology.

3. Write a short note on Fifth Generation of computer. What makes it different from Fourth Generation computer?

4. Why did the size of computer get reduced in Third Generation computer?

IN TEXT QUESTION 9.1

State True or False

1.     (a) Word processor is Software Package that enables you to create, edit, print and save document .

(b)  WordStar is a popular Word processor.

(c) Changing the size of  the margins cannot reformat complete document or part of the text.

(d) Word has the facility of Macros.

(e)  Word does not allow the user to mix the graphical pictures with text.

IN TEXT QUESTION 9.2

     1.Choose the best answer.

(a)   While working in Ms-Word you have to work with

(i)    Mouse only

(ii)   Keyboard only

(iii)  Both mouse and keyboard

(b)  In Ms- Word every command is available in

(i)    Print

(ii)  Letter

(iii) Icons

(c)   You can go inside Ms-Word by the following way

(i)    Take the mouse pointer to START  button on the task bar and click the left mouse button.

(ii)  Take the mouse pointer to START button and click the right mouse button.

(iii) Move the mouse pointer on the screen.

2.   State True or False

(a) The title bar displays the name of the currently active word document.

(b)   The most commonly tool bars are the Formatting tool bar and the Standard tool bar.

(c)     The Tool bar allows you to format the vertical alignment of text.

(d)    The Scroll bar helps you to scroll the content or body of document.

(e)     The work space is the area in the document window where you enter/type the text.

IN TEXT QUESTION 9.3

1.     State  True or False

(a)   Using View option you can perform editing functions such as cut, copy, paste, find and replace etc.

(b)   Using the Edit option  you can switch over from Normal mode to Out line mode.

(c)     Using Insert menu you can insert various objects such as page numbers, footnotes, picture frames etc.

(d)    Using Tools menu you can access to various utilities of word such as spell check, macros and mail merge etc.

(e)     Window menu allows you to work with two documents simultaneously.