Quiz about Microprocessors and Microcontrollers

Question 1

The minimum number of transistors required to implement a two input AND gate is

Accepted Answer

6

Answer

2

Answer

4

Answer

8

Question 2

Using DeMorgan’s Theorem we can convert any AND-OR structure into

Accepted Answer

NAND-NAND

Answer

OR-NAND

Answer

NAND-NOR

Answer

NOR-NAND

Question 3

For a memory with a 16-bit address space, the addressability is

Accepted Answer

Cannot be determined

Answer

16 bits

Answer

8 bits

Answer

2^16 bits

Question 4

Because we wish to allow each ASCII code to occupy one location in memory, most memories are
_____ addressable.

Accepted Answer

BYTE

Answer

NIBBLE

Answer

WORD (16 bits)

Answer

DOUBLEWORD (32 bits)

Question 5

Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier. (Hint: Construct the truth table for the adder and the multiplier)

Accepted Answer

Circuit A has more gates than circuit B

Answer

Circuit B has more gates than circuit A

Answer

Circuit A has the same number of gates as circuit B

Answer

none

Question 6

When the write enable input is not asserted, the gated D latch ______ its output.

Accepted Answer

can not change

Answer

clears

Answer

sets

Answer

complements

Question 7

A structure that stores a number of bits taken “together as a unit” is a

Accepted Answer

register

Answer

gate

Answer

mux

Answer

decoder

Question 8

We say that a set of gates is logically complete if we can build any circuit without using any other
kind of gates. Which of the following sets are logically complete

Accepted Answer

set of {AND,OR,NOT}

Answer

set of {AND,OR}

Answer

set of {EXOR, NOT}

Answer

None of the above

Question 9

Of the following circuits, the one which involves storage is

Accepted Answer

RS Latch

Answer

mux

Answer

nand

Answer

decoder

Question 10

If m is a power of 2, the number of select lines required for an m-input mux is:

Accepted Answer

log2 (m)

Answer

m

Answer

2^m

Answer

2*m

Practice Test On: Microprocessors and Microcontrollers

Practice Test On:
Microprocessors and Microcontrollers