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EXERCISE 1. Read the following sentences and circle the prefixes. For each word that has a prefix, try to decide what the prefix means. Refer back to the table if you need help
1. Floppy disks are inexpensive and reusable.
2. If a printer malfunctions, you should check the interface cable.
3. The multiplexor was not working because someone had disconnected it by mistake.
4. Improper installation of the antiglare shield will make it impossible to read what is on the screen.
5. After you transfer text using the 'cut and paste' feature, you may have to reformat the text you have inserted.
6. You can maximize your chances of finding a job if you are bilingual or even trilingual.
7. Peripheral devices can be either input devices (such as keyboards) or output devices (such as printers).
8. Your pay rise is retroactive to the beginning of June and you will receive a biannual bonus.
9. The octal and hexadecimal systems are number systems used as a form of shorthand in reading groups of four binary digits.
10. As the results are irregular, the program will have to be rewritten.
EXERCISE 2. Fill in the gaps with the correct prefix from the following list.
| auto | de | dec | inter |
| maxi | mega | micro | mini |
| mono | multi | semi | sub |
1. Most people prefer a colour screen to a ______ chrome screen.
2. _____script is a character or symbol written below and to the right of a number or letter, often used in science.
3. A ____byte equals approximately one million bytes.
4. Once you finish your program, you will have to test it and ______bug it to remove all the mistakes.
5. The introduction of _____conductor technology revolutionized the computer industry.
6. If a computer system has two or more central processors which are under
common control, it is called a ________processor system.
7. The _____imal system is a number system with a base of 10.
8. When the user and the computer are in active communication on a graphics
system, we refer to this as ______active graphics.
Word formation: Suffixes
We have already seen how prefixes can change the meaning of a word. Let us now consider some suffixes, their usual meanings, and how they change the meanings of English words.
| Nouns | Verbs | Adjectives | Adverbs |
| -ance -ence -or/-er -ist -ness | -ize -ate -fy -en -ify | -able -ible -less -ic -ical -ish -ive | -ly |
Noun-forming suffixes
| suffix | meaning | example |
| -ance | state | performance |
| -ence | quality of | independence |
| -er / -or | a person who a thing which | programmer, operator, compiler, accumulator |
| -ist / -yst | a person who | analyst, typist |
| -ian | pertaining to | electrician |
| -tion / -ation | the act of | compilation |
| -ness | condition of | readiness |
| -ion | action/state | conversion |
| -ing | activity | multiplexing |
| -ment | state/action | measurement |
| -ity | state/quality | electricity |
| -ism | condition/state | magnetism |
| -dom | domain/condition | freedom |
| -ship | condition/state | relationship, partnership |
Verb-forming suffixes
| suffix | meaning | example |
| -ize/ -ise | to make | computerize |
| -ate | automate, activate, calculate | |
| -ify | simplify | |
| -en | harden, widen |
Adverb-forming suffix
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