Microprocessor Fundamentals Questions and Answers

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Showing 10 of 36 questions
Q11
When was the first 8-bit microprocessor introduced?
  • A 1969
  • B 1974
  • C 1979
  • D 1985
Answer: Option B
Q12
What type of circuit is used at the interface point of an output port?
  • A decoder
  • B latch
  • C tristate buffer
  • D none of the above
Answer: Option B
Q13
I/O mapped systems identify their input/output devices by giving them a(n) ________.
  • A 8-bit port number
  • B 16-bit port number
  • C 8-bit buffer number
  • D 8-bit instruction
Answer: Option A
Q14
What type of circuit is used at the interface point of an input port?
  • A decoder
  • B latch
  • C tristate buffer
  • D none of the above
Answer: Option C
Q15
The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the:
  • A stack pointer
  • B program counter
  • C instruction pointer
  • D accumulator
Answer: Option B
Q16
The control bus and memories share a bidirectional bus in a typical microprocessor system.
  • A TRUE
  • B FALSE
Answer: Option B
Q17
The control bus and memories share a bidirectional bus in a typical microprocessor system.
  • A TRUE
  • B FALSE
Answer: Option B
Q18
All computer programs for a machine are called:
  • A software
  • B firmware
  • C hardware
  • D none of the above
Answer: Option A
Q19
The 8085A is a(n):
  • A 16-bit parallel CPU
  • B 8-bit serial CPU
  • C 8-bit parallel CPU
  • D none of the above
Answer: Option C
Q20
Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.
  • A hexadecimal machine code
  • B binary machine code
  • C assembly language
  • D all of the above
Answer: Option B

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