Английский для пользователей компьютеров. Ч.1. Белобородова М.Л - 22 стр.

h. Copy of an original file
i. Scheme for encoding data using a series of binary digits
j. Data-retrieval method best used in situations in which only a few records in a
     file need to be accessed
k. Direct access storage device used with microcomputers that has a much greater
storage capacity than diskettes
l. Coding scheme widely used to represent data in microcomputers
m. Inexpensive storage device used with microcomputers
n. This coding scheme is widely used to represent data in mainframe computers.
o. This component of a disk drive can convert magnetic spots to electrical
     impulses, and vice versa.
p. With this approach, data is retrieved in the sequence in which it was recorded,


3 Choose the most suitable answer:
1. Which of the following is a unit of measurement used with computer systems?
a. byte
b. megabyte
c. gigabyte
d. kilobyte
e.   all of the above
2.   Why do so many microcomputers today have hard disks?
a.   can be moved easily from one computer to another
b.   inexpensive
c.   very high storage capacity
d.   they are a sequential access storage device
e.   all of the above
3. Hard disks and diskettes are:
a. sequential-access storage devices
b. direct access storage devices
c. rarely used with microcomputers
d. capable of storing terabytes of data and information
e. none of the above
4. Which of the following is the most appropriate unit for measuring the storage
    capacity of a hard disk?