Task 3. Complete the gaps.
1. The image displayed on the screen is composed of many rows of tiny dots, called … .
2. Printers create paper copies, called … , of information sent from the computer.
3. Monitors are often called VDUs (video display units), VDTs (video display terminals), or simply … .
4. Peripheral devices can be classified generally as … .
5. The quality of images on the screen is measured in terms of … .
6. A mouse is an input device that operates by controlling the position of the ….
Task 4. Fill in the blanks with the words from the box.
1. Digital cameras can be attached to a computer to directly transfer pictures for editing using special … and unwanted pictures can be deleted. 2. The resolution of a camera is measured in … and given as two numbers. 3. Other factors that vary between storage devices include: the speed at which the … moves the media past the read/write head and reads or writes data to the storage media and the … of the media. 4. There are various types of … for out-putting text and graphics to paper. 5. Data can take many forms and there is a wide variety of input, output, storage and communication … . 6. … is an input device that acts like a miniature photocopy machine connected to a computer, copying graphic images into the computer and allowing type- written pages to be entered without retyping. 7. … reader is used for looking up prices. 8. … storage enables the user to change the media and transfer it to another computer.
Task 5. These sentences contain typical mistakes. Correct them.
1. A mouse is a device which connected to the computer.
2. These are three main types of a peripherals.
3. Input devices refers to the computer components.
4. Data is processing by the CPU.
5. Printer is peripheral which produces a hard copy.
6. They make our interactions with computers easier.
7. These devices can describe as hard disks.
SPECIALIST READING
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