CNIT 176 Exam 1 Questions And Answers Verified
100% Correct
How do computers store all data and program
instructions? a) As decimal numbers
b) As ASCII characters
c) As binary numbers
d) As algebraic equations. - ANSWER c) As binary numbers
The binary numbers in a computer might
represent a) Characters
b) Numbers
c) Images
d) All of the above - ANSWER d) All of the above
What numbers are generally manipulated as
characters? a) Zip code
b) Telephone number
c) Grade point average
d) Both a and c - ANSWER d) Both a and c
When the number to be expressed is outside of the integer range of the
computer (too large or too small), or when the number contains a fractional part
it must be stored as a(n) a) constant
b) exponent
c) complement
d) real number - ANSWER d) real number
,An 8-bit storage location can store any unsigned integer of value
between 0 and a) 7
b) 16
c) 255
d) 512 - ANSWER c) 255
What does BCD stand
for? a) Binary-Coded
Decimal
b) Binary Calculating Device
c) Binary Common Denominator
d) Binary Character Data - ANSWER a) Binary-Coded Decimal
What is the range of a 1 byte number stored in BCD
format? a) 0-9
b) 0-99
c) 0-999
d) 0-9999 - ANSWER b) 0-99
How many BCD digits can be stored in one
byte? a) 1
b) 2
c) 7
d) 255 - ANSWER b) 2
, What is the most common way to represent negative integers in
binary form? a) As BCD
b) Using 2's complement
c) Using sign-and-magnitude
d) None of the above - ANSWER b) Using 2's complement
If we complement the value twice, it
will a) be twice as big
b) return to its original value
c) cause an overflow error
d) reset the carry flag - ANSWER b) return to its original value
A combination of numbers that produces a result outside the available range
is known as a) overload
b) overflow
c) spillover
d) wraparound - ANSWER b) overflow
Changing every 0 to a 1 and every 1 to a 0 is also
known as a) reversion
b) inversion
c) diversion
d) conversion - ANSWER b) inversion
Using sign-and-magnitude representation, the largest positive number that can be
stored in 8 bits is
a) 7
100% Correct
How do computers store all data and program
instructions? a) As decimal numbers
b) As ASCII characters
c) As binary numbers
d) As algebraic equations. - ANSWER c) As binary numbers
The binary numbers in a computer might
represent a) Characters
b) Numbers
c) Images
d) All of the above - ANSWER d) All of the above
What numbers are generally manipulated as
characters? a) Zip code
b) Telephone number
c) Grade point average
d) Both a and c - ANSWER d) Both a and c
When the number to be expressed is outside of the integer range of the
computer (too large or too small), or when the number contains a fractional part
it must be stored as a(n) a) constant
b) exponent
c) complement
d) real number - ANSWER d) real number
,An 8-bit storage location can store any unsigned integer of value
between 0 and a) 7
b) 16
c) 255
d) 512 - ANSWER c) 255
What does BCD stand
for? a) Binary-Coded
Decimal
b) Binary Calculating Device
c) Binary Common Denominator
d) Binary Character Data - ANSWER a) Binary-Coded Decimal
What is the range of a 1 byte number stored in BCD
format? a) 0-9
b) 0-99
c) 0-999
d) 0-9999 - ANSWER b) 0-99
How many BCD digits can be stored in one
byte? a) 1
b) 2
c) 7
d) 255 - ANSWER b) 2
, What is the most common way to represent negative integers in
binary form? a) As BCD
b) Using 2's complement
c) Using sign-and-magnitude
d) None of the above - ANSWER b) Using 2's complement
If we complement the value twice, it
will a) be twice as big
b) return to its original value
c) cause an overflow error
d) reset the carry flag - ANSWER b) return to its original value
A combination of numbers that produces a result outside the available range
is known as a) overload
b) overflow
c) spillover
d) wraparound - ANSWER b) overflow
Changing every 0 to a 1 and every 1 to a 0 is also
known as a) reversion
b) inversion
c) diversion
d) conversion - ANSWER b) inversion
Using sign-and-magnitude representation, the largest positive number that can be
stored in 8 bits is
a) 7
