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Digital-electronics Questions Set 56:

Quiz Mode

How many flip-flops are required to construct a decade counter?

Solution:

Which logic family has the highest maximum clock frequency?

S-TTL

AS-TTL

HS-TTL

HCMOS

Solution:

What is the output of a NOR gate when all its inputs are low?

Low

High

Floating

Medium

Solution:

The binary number 101011 is represented in its Grey code equivalent as

111100

111011

101011

111110

Solution:

How many address bits are required to select a memory location in a 4 KB memory decoder?

Solution:

What is the minimum number of NAND gates required to implement a 2-bit parallel full adder?

Solution:

The typical dc supply voltage for transistor-transistor logic (TTL) is +5 V.

True

False

Not given

Null

Solution:

What is another name for a BCD counter?

Synchronous counter

Parallel counter

Decade counter

VLSI counter

Solution:

MOD-16 counter requires ________ no. of states.

2

8

16

32

Solution:

What happens if a PAL (Programmable Array Logic) device has been programmed once?

Its logic capacity is lost

Its outputs are only active HIGH

Its outputs are only active LOW

It cannot be reprogrammed

Solution:

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Digital-electronics Questions Set 56:

How many flip-flops are required to construct a decade counter?

Solution:

Which logic family has the highest maximum clock frequency?

Solution:

What is the output of a NOR gate when all its inputs are low?

Solution:

The binary number 101011 is represented in its Grey code equivalent as

Solution:

How many address bits are required to select a memory location in a 4 KB memory decoder?

Solution:

What is the minimum number of NAND gates required to implement a 2-bit parallel full adder?

Solution:

The typical dc supply voltage for transistor-transistor logic (TTL) is +5 V.

Solution:

What is another name for a BCD counter?

Solution:

MOD-16 counter requires ________ no. of states.

Solution:

What happens if a PAL (Programmable Array Logic) device has been programmed once?

Solution:

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