Class 7 (Unit 19) Part II

  

Unit 19

 

Reading II
Look at the picture and answer these questions.
a. What do you see in the picture?
b. Can you name any of them?
c. Do you have any of these tools? If
yes, what do you use it/ them for?

Answer:

a.     I see computer in the picture.

b.     Yes, I can.

c.      Yes, I have , It is used for typing.

 

A. What do the words/phrases on the left refer to? Match.
a. Power button     i. leads to the beginning of the document.
b. Monitor             ii. helps to switch on the computer.
c. Keyboard          iii. erases document from right to left.
d. Home button     iv. is available in a laptop computer.
e. Backspace         v. helps us type documents.
f. Mouse pad         vi. is the computer screen.

 

Answer:

a. Power button     ii. helps to switch on the computer.
b. Monitor             vi. is the computer screen.
c. Keyboard          v. helps us type documents.
d. Home button     i. leads to the beginning of the document.
e. Backspace         iii. erases document from right to left.
f. Mouse pad         iv. is available in a laptop computer.

B. Write True or False against the following statements.
a. The 'Power' button varies based on the type of computer.
b. Keyboard is not an input device.
c. The F1 key helps to shut down the computer.
d. The 'Delete' button erases the things to the left.
e. A mouse has more than two clicking points

Answer:

a. T

b. F

c. F

d. T

e. F

f. T

C. Answer these questions.
a. What type of device is a computer?
b. What should a user do first to start a computer?
c. How does the computer screen look like?
d. How many function keys are there in a keyboard?
e. Write any one feature of the mouse.
f. What should a user do after s/he uses a computer?

Answer:

a. Computer is one of the most used electronic devices in this era.

b. A user first press the power button to start a computer.

c. The computer screen is similar to television screen.

d. There are 12 key functions are there on a keyboard.

e. It is hand held device which helps to move the cursor on the screen.

f. User should turn off the computer properly after s/he used a computer.

 

B. Rearrange the given words to make meaningful sentences.

Answer:

a.     Don't waste your time If you want to be successful.

b.     People throw wastes everywhere If population increases

c.      Our muscles become strong if we do regular exercise.

d.     We become weak if we don't eat balanced diet.

e.      They give off oxygen If we plant tress.

C. Use the correct forms of verbs from brackets to complete the sentences.
a. If you freeze water, it ..................... (become) solid.
b. If you ...................... (mix) red and blue, you get purple.
c. Does ice melt if you ................... (heat) it?
d. The metal .................... (expand) if you heat it.
e. Go to bed early if you ....................... (be) tired.
f. If you press this button, the TV .................... (switch) on.

g. if they work too much, they……(get) tired.

h.The baby ……(wake up) if you make too much noise.

i. Does oil float if you …….(pour) it into water ?

Answer:

a.     becomes

b.     mix

c.      heat

d.     expands

e.      are

f.       switches

g.     get

h.     wakes up

i.       pour

 

(My special thanks to Kanchan Chaudhary of Kankali Secondary School for preparing this material.)

For previous exercises CLICK HERE.

For Contents CLICK HERE.

For unit one CLICK HERE.

Other notes

For class 6 CLICK HERE.

For unit 9 CLICK HERE.

For class 11 CLICK HERE.

For class 12 CLICK HERE.