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Printing is the final stage in creating a document. That is the purpose of the printers joined to your computering equipment. Since the results you can obtain with different types of printers will vary substantially, here is a guide to help you decide which one is most suitable for your needs.
To begin with, it must be taken into account that printers vary in cost, speed, print quality and other factors such as noise or compatibility.
Dot-matrix printers use pins to print the dots required to shape a character. They print text and graphics and some of them can print up to 500 characters per second (cps).
Ex. 4. Choose the most appropriate type of printer for these situations.
1. A home user who wants to print text documents and family photographs.
2. Business people who need to print in large quantities at high quality in an office.
3. Engineers who want to make detailed line drawings.
4. Professional typesetters in desktop publishing.
5. A company that wants to print carbon copies of bills and receipts.
Ex. 5. Fill in the gaps in comparison of printers.
There are three different types of printer: dot-matrix, inkjet, and laser. Dot-matrix printers are the … kind of printer.
… their print quality is low and they are slow and …. They are … to run.
Inkjets are … expensive, but you get … quality and quieter operation. However, they are relatively … and also … to run. They are good choice for colour.
Laser printers give the … quality of output. They print … than either of the other two … printer and they cost … to run than an inkjet. Unfortunately, they … almost twice as … as an inkjet.
Task 1. Read the advertisement for the printer below, and then make advertisements for a laser printer; ink-jet printer.
Stylus Dot- matrix Printer
Dot-matrix printer with 24 pins.
Prints text and graphics.
450 cps.
Compatible special interface.
Free unlimited hotline support for our customers.
One year on-site maintenance.
671£
Task 2. Describe the characteristics of the printer that you have or would like to have at home or at work.
UNIT 10
MAGNETIC DRIVES
Task 1. a) Look at the characteristics below and find out:
1. the size of a floppy disk
2. the storage capacity of a high density diskette
3. the name of a hard drive on a PC platform
4. the storage capacity of a SyQuest cartridge
5. the system that can hold 10 GB tapes
6. a type of drive used by digital cameras and music players.
Inch diskette
A high-density (HD) floppy disk can store 1.44 MB of information. A floppy drive uses 3.5-inch disks and it’s called drive A.
Hard disk
Most PCs have one hard drive, called drive C. It’s used to keep software and files organized in a convenient way.
A hard disk can hold several gigabytes of data.
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Types of printers | | | Ex. 2. Rewrite the following sentences in the passive. |