Micro-processors & Micro-controllers - MCQs with answers
Micro-processors & Micro-controllers - MCQs with answers1. Which functioning element of microcontroller generate and transmit the address of instructions to memory through internal bus ?
a. Instruction Decoding Unit
b. Timing and Control Unit
c. Program Counter
d. Arithmetic Logic UnitView Answer / Hide Answer
2. How does the microcontroller communicate with the external peripherals / memory?
ANSWER: c. Program Counter
a. via I/O ports
b. via register arrays
c. via memory
d. all of the aboveView Answer / Hide Answer3. Why do the microprocessors possess very few bit manipulating instructions ?
a. Because they mostly operate on bits/ word data
b. Because they mostly operate on byte/word data
c. Both a & b
d. None of the aboveView Answer / Hide Answer
4. Which minimum mode signal is used for demultiplexing the data and address lines with the assistance of an external latch in a microprocessor while accessing memory segment ?
ANSWER: b. Because they mostly operate on byte/word data
d. ALEView Answer / Hide Answer