PREFIXES PROFESSIONAL ENGLISH IN USE FOR COMPUTER

 

PROFESSIONAL ENGLISH IN USE FOR COMPUTER 33.PREFIXES

 

A Common prefixes We can form new words by using prefixes and suffixes, e.g. Prefixes come before the root word and usually change its meaning. Here are some common ones in ICT. B Verb prefixes Prefixes used to form verbs which mean ‘to cause to be something’: en- encrypt: to change data into a secret code so that only someone with a key can read it up- update: to modify data in a file and thus ensure the file reflects the latest situation upgrade: to add or replace hardware or software in order to expand the computer’s power upload: to send files to a central. Often remote computer; compare with ;download’ C The prefixes e- and cyber – The e-prefix means ‘electronic’; cyber- describes things relating to computer networks. EXERCISES 33.1 Use words from A opposite to complete these sentences. 1. Medical researchers in many countries exchange information through email and _____________. 2. _____________ memory (e.g. ROM or flash memory) is able to hold data when switched off. 33.2 Complete these definitions with words from A opposite. 1. ______________ : a disk that is completely blank, so information can’t be recorded onto it 2. ______________ : a network that allows communication between a company and the people it deals with 33.3 Complete these sentences with words from B opposite and make any necessary changes. 1. The program ran so slowly, I had to un__________ it. 2. Your financial information is fully en__________ and cannot be accessed. 3. Messages encrypted using a public key can only be de__________ by someone with the corresponding private key. 33.4 Complete this text with words from C opposite.

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