CNIT 176 EXAM 1 QUESTIONS AND ANSWERS 2025

CNIT 176 EXAM 1 2025
ANSWER ALL QUESTIONS IN THIS SECTION



QUESTION 1



What numbers are generally manipulated as characters?

a) Zip code

b) Telephone number

c) Grade point average

d) Both a and c - ANSWERS-d) Both a and c



QUESTION 2



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 - ANSWERS-d) real number




END OF
PAGE 1

, CNIT 176 EXAM 1 2025
QUESTION 3



An 8-bit storage location can store any unsigned integer of value between 0 and

a) 7

b) 16

c) 255

d) 512 - ANSWERS-c) 255



QUESTION 4



What does BCD stand for?

a) Binary-Coded Decimal

b) Binary Calculating Device

c) Binary Common Denominator

d) Binary Character Data - ANSWERS-a) Binary-Coded Decimal



QUESTION 5



What is the range of a 1 byte number stored in BCD format?

a) 0-9

b) 0-99

END OF
PAGE 2

, CNIT 176 EXAM 1 2025
c) 0-999

d) 0-9999 - ANSWERS-b) 0-99



QUESTION 6



How many BCD digits can be stored in one byte?

a) 1

b) 2

c) 7

d) 255 - ANSWERS-b) 2



QUESTION 7



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 - ANSWERS-b) Using 2's complement




END OF
PAGE 3

, CNIT 176 EXAM 1 2025
QUESTION 8



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 - ANSWERS-b) return to its original value



QUESTION 9



A combination of numbers that produces a result outside the available range is
known as

a) overload

b) overflow

c) spillover

d) wraparound - ANSWERS-b) overflow




END OF
PAGE 4