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True/False: An unsigned binary number can represent positive and negative numbers but not floating point numbers.

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True

False

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

Select one:

a. 157

b. 99

c. -99

d. -29

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What circuit does the following truth table belong to?

Select one:

a. half-adder

b. full-adder

c. incrementer

d. ALU (Arithmetic Logic Unit)

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What is the function of the following logic circuit?

Select one:

a. full adder

b. half adder

c. And circuit

d. Inverter

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

Select one:

a. 11001010

b. 00110110

c. 11001001

d. 11110001

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

Select one:

a. Signed Magnitude

b. 1\'s complement

c. 2\'s complement

d. Binary Coded Decimal

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Name an unary Boolean function:

Answer:

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Select one:

a. A NOR B

b. A NAND B

c. A NOT B

d. A NAND B

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The ny control bit will:

Select one:

a. Zero the y input.

b. Negate the x input.

c. Negate the ng output.

d. Negate the y input.

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In an 8-way multiplexor the selection is specified by a set of ___ control bits.

Answer:

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Which Two-Input Boolean function will return 0 for every input it receives?

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a. Constant 0

b. Not

c. Nor

d. And

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True/False: The operation to be performed within the ALU is selected with a multiplexor circuit.

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True

False

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

Select one:

a. Exponent

b. Fraction

c. Sign bit

d. Precision

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The Full Adder chip has:

Select one:

a. 2 input pins, 2 output pins.

b. 2 input pins, 1 output pin.

c. 3 input pins, 2 output pins.

d. 3 input pins, 1 output pin.

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

Select one:

a. A AND B

b. A OR B

c. A AND NOT B

d. A NAND B

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In a 16-bit Multiplexor the selector is 16-bit wide.

Select one:

True

False

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True / False: 011010112 has the same value in both unsigned and 2\'s complement form.

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True

False

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Every Boolean function can be constructed from only:

Select one:

a. And function

b. Or function

c. Nand function

d. Not Function

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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?

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True

False

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True/False: Adding 011011012 to 101000102 in 8-bit unsigned binary will cause an overflow.

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True

False

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What is the decimal value of this 16-bit 2\'s complement number?

1111111111111100_two

Answer:

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Match the following gates to their description.

And

Not

Nand

Or

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What is the most basic element of every computer system?

Select one:

a. CPU

b. Memory

c. Logic Gate

d. ALU

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Given the following logic gate, select the truth table from below that is NOT valid given the format A - B - Output:

Select one:

a. 0 - 0 - 0

b. 0 - 1 - 1

c. 1 - 1 - 1

d. 1 - 0 - 0

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If a demultiplexor selector bit is set to 1 , and both outputs (a and b) are 0 , then the input must have been:

Answer:

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Given the following logic gate, select the truth table from below that is NOT valid given the format A - B - Output:

Select one:

a. 0 - 0 - 0

b. 0 - 1 - 1

c. 1 - 1 - 1

d. 1 - 0 - 1

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True/False: A decoder has a unique output represented for a set of inputs in a truth table?

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True

False

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What is the binary pattern that represents 6_ten (in a 16-bit binary system)?

Answer:

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A decoder described as a 2-of-4 decoder will have how many active outputs?

Answer:

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What is the function of the following logic circuit?

Select one:

a. half adder

b. full adder

c. subtractor

d. counter

And	Answer 1Choose...If in=0 then out=1 else out=0If a=b=1 then out=1 else out=0If a=b=1 then out=0 else out=1If a=b=0 then out=0 else out=1
Not	Answer 2Choose...If in=0 then out=1 else out=0If a=b=1 then out=1 else out=0If a=b=1 then out=0 else out=1If a=b=0 then out=0 else out=1
Nand	Answer 3Choose...If in=0 then out=1 else out=0If a=b=1 then out=1 else out=0If a=b=1 then out=0 else out=1If a=b=0 then out=0 else out=1
Or	Answer 4Choose...If in=0 then out=1 else out=0If a=b=1 then out=1 else out=0If a=b=1 then out=0 else out=1If a=b=0 then out=0 else out=1

Solution

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

unsigned binary number can represent only non-negative numbers (0 and greater than 0).

2)The decimal equivalent of the binary number 10011101=(157)₁₀

_{for other question please provide the image. i am not able to access image}