Computer GK Questions And Answers :: Computer Fundamentals










Computer GK QUESTIONS AND ANSWERS 81 to 88

81. Which command is used to copy files?

Copy
Diskcopy
Type
All of the above

82. Copy and Xcopy are same in the sense

Both are internal command of DOS
Both are external commands of DOS
Both can be used to copy file or group of files
Both a and b

83. A band is always equivalent to

a byte
a bit
100 bits
none of above

84. The receive equilizer reduces delay distortions using a

apped delay lines
earshift
escrambler
ifference engine

85. An example of an analog communication method is

laser beam
microwave
voice grade telephone line
all of the above

86. Which keys can be pressed quit without saving in DOS

Ctrl + A
Ctrl + B
Ctrl + C
Ctrl + D

87. All of the following are disadvantage of RPG except:

it is a very machine dependent language
it is very limited in scope
is not suited for complex problems requiring extensive programming logic
it has larger storage requierments

88. A stack pointer is

a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
a register that decodes and executes 16-bit arithmetic expression.
The first memory location where a subroutine address is stored.
a register in which flag bits are stored

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