| 1. I ___ my email and voicemail every evening. 2. Large ___ of information, sound and pictures can be stored on a single CD-ROM. 3. The manual has a lot of useful instructions on how to ___ the photocopier. 4. A new computer executes a few hundred thousand ___ in a few seconds. 5. The University of Pennsylvania is famous for the ___ of the first electronic computer in 1946. 6. The statisticians use computers to ___ large amounts of data. 7. Children often learn to use computer programs by trial and ___. 8. The usual ___ of symbols of a printer's line is 120-150. 9. A Trojan horse is a computer program that seems to be useful but in fact, its ___ is to destroy data on the hard disk. 10. Dick Morley is known as the ___ of the floppy disk. 11. The first stage in research is data ___. 12. The software is ___ to run on different operating systems. 13. Videodiscs are large laser discs that store visual ___ as well as sound. 14. A diagram represents the object in only two ___. 15. The ___ of educational programs is to make the process of learning interesting and easy. | a) aim b) amounts c) calculations d) check up e) collection f) designed g) dimensions h) error i) images j) inventor k) number l) operate m) process n) production o) purpose |