Using Information
Technology 11e Chapter
4 Review Exam
Questions and Complete
Solutions Graded A+
Denning [Date] [Course title]
, kilobyte, megabyte, gigabyte - Answer: A(n) ___ is about 1000 bytes; a(n) ___ is about 1 million bytes;
a(n) ___ is about 1 billion bytes.
cpu - Answer: The ___ is the part of the microprocessor that tells the rest of the computer how to carry
out a program's instructions.
read, write - Answer: The process of retrieving data from a storage device is referred to as ___; the
process of copying data to a storage device is called ___.
backup - Answer: To avoid losing data, users should always ___ their files.
track, sector - Answer: Formatted disks have ___ and ___ that the system software uses to reference
data locations.
cpu - Answer: The ___ is often referred to as the "Brain" of a computer.
bus - Answer: The electrical data roadways though which bits are transmitted are called ___.
read/write head - Answer: Part of the disk-drive mechanism, the ___ transfers data between the
computer and the stick
ram - Answer: ___ Chips , also called main memory, are critical to computer performance.
arithmetical, logical - Answer: ___ Operations are the fundamental math operations ; addition ,
subtraction , multiplication , and division. ___ Operations are comparisons such as "equal to" , "greater
than" , or "less than".
byte - Answer: A group of 8 bits is a ___.
transistor - Answer: A tiny electronic device acts as an on/off switch , switching between "on" and "off"
millions of times per second, is called a ___.
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