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7  Write the correct form of the word in capitals to complete each gap (1 –
10).
The Digital Compact Disc
 The  digital  compact  disc,  now
commonplace in stereos and computers,
was invented in the late 1960s by James T.
Russell.
 Russell  was  an  avid  music
(1)_____________. Like many audiophiles of the time, he was
(2)____________ frustrated by the wear and tear suffered by
his vinyl phonograph records. He was also
(3)_______________ with their sound quality. Alone at home
on a Saturday afternoon, Russell began to sketch out a
(4)__________ music recording system and was inspired with
a truly (5)__________________ idea.
       Russell envisioned a system that would record and replay
sounds without physical contact between its parts; and he saw
that the best way to achieve such a system was to use light.
After years of work, Russell (6)______________ in inventing
the first digital-to-optical (7)________________ and playback
system (patented in 1970). He had found a way to record onto
a photosensitive platter in tiny "bits" of light and dark, each one
micron in diameter; a laser read the binary patterns, and a
computer converted the data into an electronic signal which
was then (8)__________________ simple to convert into an
audible or visible (9)_________________.
       This  was  the  first  compact  disc.  Through  the  1970s,
Russell continued to refine the CD-ROM, adapting it to any
form of data. Like many ideas far ahead of their time, the CD-
ROM found few interested (10)______________ at first; but
eventually, Sony and other audio companies realized the
implications and purchased licenses.
LISTEN
CONTINUE
SATISFY
GOOD
REVOLUTION
SUCCESS
RECORD
COMPARE
TRANSMIT
INVEST
8  Look at each of the words below and
A:  explain what its meaning is in a special computer context;
B:  explain what its meaning is in a more general context;
C:   explain the connection between these two meanings.
Model: flame
A an abusive message to someone on the Internet;
B something hot and burning in a fire;
C both meaning of flame refer to something painful and
destructive.
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