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4. Choose the words that are missed in the following sentences:

Brain, camera, computer, data, device, disk, hardware, information, input, like, memory, operations, software.

1. Computer … can be divided into four categories. The most common input … is a keyboard. 2. It looks very much … a typewriter. 3. The mouse is a hand-held device connected to the … by a small cable. 4. Another type of … hardware is optic-electronic scanner. 5. Microphone and video … can be also used to input data into the computer. 6. The central processing unit is the … of the computer. 7. It reads and interpreters … instructions and coordinates the processing. 8. Memory is the component of the computer in which … is stored. 9. There are two types of computer …: RAM and ROM. 10. The more memory you have in your computer, the more … you can perform. 11. Storage hardware stores … as electromagnetic signals. 12. The most common ways of storing data are Hard …, floppy disk and CD-ROM.

5. Choose the ending to each question:

1. Computer hardware can be divided into four categories.

A) can’t it? B) could it? C) can it? D) can’t they?

2. The most common input device is a keyboard.

A) is it? B) is they? C) isn’t it? D) isn’t they?

3. The mouse is a hand-held device connected to the computer by a small cable.

A) isn’t it? B) isn’t they? C) is it? D) is they?

4. Another type of input hardware is optic-electronic scanner.

A) isn’t they? B) is it? C) is they? D) isn’t it?

5. The central processing unit is the brain of the computer.

A) are it? B) are they? C) isn’t it? D) isn’t they?

6. It reads and interpreters software instructions and coordinates the processing.

A) does they? B) does it? C) are they? D) doesn’t it?

7. Storage hardware stores data as electromagnetic signals.

A) does it? B) doesn’t it? C) does they? D) are they?

8. The most common ways of storing data are Hard disk, floppy disk and CD-ROM.

A) are it? B) aren’t they? C) isn’t it? D) isn’t they?

6. Ask general questions to the following sentences:

  1. There are two formats for floppy disks: 5.25’ and 3.5’. 2. 3.5’ disks are formatted 1.4 megabytes and are widely used. 3. CD-ROM (compact disc read only memory) is a compact on which a large amount of digitized data can be stored. 4. CD-ROMs are very popular now because of the growing speed which CD-ROM drives can provide nowadays. 5. Information is in either hardcopy or softcopy form. 6. Hardcopy output can be held in your hand, such as paper with text (word or numbers) or graphics printed on it. 7. Softcopy output is displayed on a monitor. 8. Monitor is a display screen for viewing computer data, television programs, etc. 9. Printer is a computer output device that produces a paper copy of data or graphics. 10. Modem is an example of communication hardware. 11. Modem is an electronic device that makes possible the transmission of data to or from computer via telephone or other communication lines.

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