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Look back at the text and find out what the words in bold typeface refer to.
1. An example of the former is (1.2).........................................
2. which has a fixed reel (I. 7)
3. similar to that of threading (1.8).........................................
4. 
which are similar to the bits (/. 13).............................
5. vertically they form patterns (/. 13).............................
6. a group of such logical (I. 18).............................
7. which are separated from (I. 19)
8. as well as its density (I. 22).............................
9. that at the latter density (I. 25).............................
10. they require less space (I. 39).............................
Understanding words
Refer back to the text and find synonyms for the following words.
1. differentiated (I. 32)...............................
2. the other way around (1.34).............................
3. need " (139)..............................
4. handy (/. 40)...............................
5. move information (I. 40).............................
Now refer back to the text and find antonyms for the following words.
6. primary (I. 1)............................
7. fixed (I. 4)............................
8. horizontally (I. 13)...............................
9. subdivided into (/. 19)...............................
10. connected to (I. 19)...............................
Word forms
First choose the appropriate form of the words to complete the sentences. Then check the differences of meaning in your dictionary.
1. reflection, reflect, reflective, reflector
a. The surface of this plastic tape............................. light, giving
it a silvery color.
b.................................. plastic pieces are stuck onto the tape to
mark its beginning.
2. storage, store, stored, storing
a. The computer memory is capable of............................. a lot of
information for a short period of time.
b. The recording heads of a tape drive access the information which
is................................ on a tape.
c. There are now telephones that can............................. up to
fifteen numbers in their memory.
3. transfer, transference, transferred, transferable
a. To................................ information from a tape to the memory,
the tape is mounted on a tape drive.
b. Tape drives differ from each other by the............................
rate they have.
c. The results of calculations are............................. to memory
from the ALU.
4. capability, capable, capably
a. A computer is............................... of performing repetitive
operations at a very fast rate.
b. Until the................................ and limitations of a computer are
recognized, its usefulness cannot be thoroughly understood.
5. organization, organize, organized, organizing, organizer
a. Blocks are............................... in terms of files.
b. The efficiency of a computer centre depends partly on its
and personnel.
c. The computer centre is planning to.............................. guided
tours of the computer room.
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