CS 1104 COMPUTER SYSTEMS Questions and Correct Answers/ Latest Update / Already Graded

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CS 1104 COMPUTER SYSTEMS Questions
and Correct Answers/ Latest Update /
Already Graded
Name an unary Boolean function:

Ans: NOT


What is the most basic element of every computer system?

Ans: c. Logic Gate


Every Boolean function can be constructed from only:

Ans: c. Nand function


AND

Ans: If a=b=1 then out=1 out=0


NOT

Ans: If in=0 then out=1 else out=0


NAND


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Ans: If a=b=1 then out=0 out=1


OR

Ans: If a=b=0 then out=0 out=1


The boolean expression A · B represents which of the following:

Ans: a. A AND B


True/False: According to DeMorgan's Theorem, inverting the output of
an AND gate yields the same output as an OR gate with inverted
inputs?

Ans: True


What is the decimal equivalent of the binary number 10011101?
Assume "unsigned" binary for the conversion.

Ans: 157


What is the decimal value of 54 (base 10) converted to binary and 2's
complement?

Ans: 11001010



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Which of the following is NOT a component required to represent a
floating point number in binary?

a. Exponent

b. Fraction

c. Sign bit

d. Precision

Ans: Precision


A coding approach that recognizes the MSB with a value of 1 to be a
negative number is called?

Ans: Signed Magnitude


An unsigned binary number can represent positive and negative
numbers but not floating point numbers.

Ans: False


Adding 011011012 to 101000102 in 8-bit unsigned binary will cause an
overflow.

Ans: True



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