Digital Arithmetic Operations and Circuits Questions and Answers

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Showing 10 of 92 questions
Q81
The carry-out of a binary adder is identified using the summation symbol, sigma.
  • A TRUE
  • B FALSE
Answer: Option B
Q82
The 74LS382 ALU is a 24-pin arithmetic/logic unit.
  • A TRUE
  • B FALSE
Answer: Option B
Q83
The two's-complement method is used in computer systems that perform arithmetic.
  • A TRUE
  • B FALSE
Answer: Option A
Q84
Digital computers use an easier method to subtract binary numbers, called one's complement.
  • A TRUE
  • B FALSE
Answer: Option B
Q85
Binary multiplication is like decimal multiplication except you deal only with 1s and 0s.
  • A TRUE
  • B FALSE
Answer: Option A
Q86
The solution to the binary problem 1011 – 0111 is 1000.
  • A TRUE
  • B FALSE
Answer: Option B
Q87
A 74HC283 can be used to implement a 4-bit full adder.
  • A TRUE
  • B FALSE
Answer: Option A
Q88
The range of negative numbers when using an eight-bit two's-complement system is –1 to –128.
  • A TRUE
  • B FALSE
Answer: Option A
Q89
If no bits are designated inside square braces, [ ], it means the variable is the null set.
  • A TRUE
  • B FALSE
Answer: Option B
Q90
This logic gate is used to produce an arithmetic sum XOR.
  • A TRUE
  • B FALSE
Answer: Option A

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