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Understanding the passage



Decide whether the following statements are true or false (T/F) by referring to the information in the text. Then make the necessary changes so that the false statements become true.

T F

□ □ 1. The development of CRT terminals helped reduce the

problem of wasted paper.

□ □ 2. Blinking is one of the features which display terminals

are incapable of.

□ □ 3. Multicolour graphs are more useful in modern medicine than monochromatic graphs.

□ □ 4. Plotters can move in various directions, but the majority

produce one continuous line at a time.

□ □ 5. All plotters depend on a moving pen.

□ □ 6. Terminals with video screens and hard copy output are

useful for checking student records.

□ □ 7. Terminals are considered peripheral devices but plotters

are not.

□ □ 8. Both interactive terminals and plotters have to be on-line

at all times.

□ □ 9. On modern terminals, it is possible to display both upper

and lower-case letters.

□ □ 10. Dynamic graphics were first developed for computer-assisted instruction (CAI).


3 Locating information

Find the passages in the text where the following ideas are expressed. Give the line references.

........... 1. Some screens are capable of drawing continuous lines in

graphic representations.
........... 2. Hybrid devices that can do what individual printers,

plotters, and graphic display units can do are now available.
........... 3. It is not essential to have a printout of every interaction

with the computer.
........... 4. Hospitals and universities can benefit from devices that

combine a video screen and a hard-copy output.
........... 5. Coloured graphics have been used in the field of medicine.




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