Tell what sentences are true and what are false

1) There are several devices used for inputting information into the computer: a keyboard and sound cards. 2) When personal computers first became popular, the most common device used to transfer information from the user to the computer was the mouse. 3) A standard keyboard has 104 keys. 4) The mouse is an optic-mechanical output device. 5) Software programs require to press one or more buttons, sometimes keeping them depressed or double-click. 6) Scanner is used for optical inputting of images and texts and converting them into the computer form. 7) Digital cameras enable to get low quality photos.

2. Choose the right answer:

1) The keyboard enables inputting ….

a) numerical and text data;

b) the instructions for processing the data;

c) numerical data.

2) The mouse is an … input device.

a) optic;

b) optic-mechanical;

c) mechanical.

3) The mouse's … functions are to help the user draw, point and select images on his computer display by moving the mouse across the screen.

a) main;

b) secondary;

c) auxiliary.

4) In portable computers touch panels or touch pads are used instead of ….

a) keyboard;

b) mouse;

c) manipulators.

5) … find application in drawing and inputting manuscript texts.

a) scanner;

b) plotters;

c) digital video cameras.

3. Complete the sentences:

1) There are several devices used for inputting information into the computer: …. 2) The keyboard enables …. 3) The mouse is …. 4) In portable computers touch panels or touch pads are used …. 5) Scanner is used for …. 6) Digital cameras give possibility to get …. 7) Sound cards are able to ….

4. Answer the questions:

1) What devices are used for inputting information into the computer? 2) What was the most common device in early personal computers? 3) What is the function of a keyboard? 4) Why do many users prefer manipulators to keyboard? 5) How does the mouse operate? 6) What is its function? 7) What role does the ball on the bottom of the mouse play? 8) What is used in portable computers instead of manipulators? 9) What is the touch pad's principle of operation? 10) Where do graphical plotting tables find application?

5. Find as quickly as possible and read out the sentences containing the following important information:

• keyboard
• graphical plotting tables
• sound cards

*6. Try to tell the gist of the text.