Microprocessor Fundamentals Questions and Answers

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Showing 10 of 36 questions
Q21
A register in the microprocessor that keeps track of the answer or results of any arithmetic or logic operation is the:
  • A stack pointer
  • B program counter
  • C instruction pointer
  • D accumulator
Answer: Option D
Q22
What is the difference between a mnemonic code and machine code?
  • A There is no difference.
  • B Machine codes are in binary, mnemonic codes are in shorthand English.
  • C Machine codes are in shorthand English, mnemonic codes are in binary.
Answer: Option B
Q23
Which bus is a bidirectional bus?
  • A address bus
  • B data bus
  • C address bus and data bus
  • D none of the above
Answer: Option B
Q24
Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
  • A data bus
  • B control bus
  • C address bus
  • D address decoder bus
Answer: Option B
Q25
What kind of computer program is used to convert mnemonic code to machine code?
  • A debug
  • B assembler
  • C C++
  • D Fortran
Answer: Option B
Q26
Which of the following are the three basic sections of a microprocessor unit?
  • A operand, register, and arithmetic/logic unit (ALU)
  • B control and timing, register, and arithmetic/logic unit (ALU)
  • C control and timing, register, and memory
  • D arithmetic/logic unit (ALU), memory, and input/output
Answer: Option B
Q27
The stack is a data storage area in RAM used by certain microprocessor operations.
  • A TRUE
  • B FALSE
Answer: Option A
Q28
A microprocessor with the necessary support circuits will include at least two memory ICs: ROM or EPROM, and a RAM.
  • A TRUE
  • B FALSE
Answer: Option A
Q29
I/O-mapped systems identify their input and output devices by giving them an 8-bit port number.
  • A TRUE
  • B FALSE
Answer: Option A
Q30
A microcontroller integrates multichip systems with RAM, ROM, and I/O
  • A TRUE
  • B FALSE
Answer: Option A

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