Vocabulary tree
Designing vocabulary trees or networks can help you build up your own mental 'maps' of vocabulary areas.
Начало формы
a. Processor b. ROM c. RAM d. Bits and Bytes
megahertz |
gigabyte |
expandable memory |
kilobyteskilobyte |
firmware |
binary system |
ASC II codeASII codeS |
megabyte |
cache memorycashe memory |
SIMMs |
binary digit |
clock speedclock speed |
bit-mapped display |
basic instructionbasic instruction |
pixelpixel |
permanent internal memory |
computer braincomputer brain |
processing rateprocessing rate |
immediate access store |
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Конец формы
6. Writing
A friend has written to you asking you to recommend a computer that suits their needs. Write a letter in reply, describing its technical features and saying why you recommend it.
Test 1
1.The new hand-held voice streets analyzer _________ for office use.
A. is designed C. is designing
B. are designed D. has been designing
2.If the case _______ more than 15 feet from the transmitter, or if it ______ by someone not carrying the transmitter “key”, an ear splitting alarm sounds.
A. has been moving, has been lifted C. is moved, is lifted
B. is moving, is lifting D. are moved, are lifted
3.Then, within 16 seconds a jolt of electricity _____, and this shocking performance ________ every two seconds.
A. is discharged, are repeated C. is discharging, was repeated
B. are discharged, is repeated D. is discharged, is repeated
4.The alarm and shock mechanism can also be triggered either when the case _______ or if forced entry ______.
A. had been jostling, is attempted C. is jostled, is attempted
B. were jostled, was attempted D. are jostled, is attempting
5.Since 1985, West German citizens traveling outside the European Economic Community ______ to get a new type of laminated “forgery-proof” passport.
A. are required C. were requiring
B. is required D. had been requiring
6.Both documents, the ID cards as well as new passport, ______ to be virtually counterfeit-proof.
A. is said C. was said
B. are said D. has been said
7.The page of the passport containing the owner’s personal data and photograph ______ so that it cannot be counterfeited without easy detection.
A. were laminated C. had been laminating
B. are laminated D. is laminated
8.The new passport ______ to be inspected by a computer at border checkpoints.
A. designed C. has been designing
B. is designing D. is designed
9.All border posts ___ eventually ____ scanning terminals that ____ directly to the central computer at the Federal Crime Bureau.
A. will have, is linked C. will have, was linked
B. will have, has been linked D. will have, are linked
10.When the passport ____ on the glass plate on the scanner, the information about the owner ______ for comparison against crime records.
A. are placed, are transmitted C. has been placing, is transmitting
B. is placed, is transmitted D. is placed, is transmitting