Digital Electronics

Which among the following is a combinational circuit

• Flip Flop

• Latch

• Counter

• Encoder

Full Adder can be formed by cascading two half adders

• True

• False

When performing X-Y in boolean algebra, borrow is generated when X is less than Y

• True

• False

• Cannot be determined

The combinational circuit used for routing the input value to the output line based on the select signal combination

• Multiplexer

• Demultiplexer

• Encoder

• Decoder

Which among the following is the BCD representation of the decimal number 12

• 1100

• 0001 0010

• 1101

• 0001 0011

Which flip flop is used for designing counters

• T flip flop

• SR flip flop

• D flip flop

• T latch

A T flip flop can be obtained by shorting the input lines of:

• SR Flip Flop

• D Flip Flop

• JK Flip Flop

• RS Latch

In synchronous counters all the flip flops are clocked at the same time

• True

• False

The output of the D flip flop at a particular instant is the same as the input present at that particular instant

• True

• False

The excess-3 code of 0010

• 0101

• 0011

• 0100

• 0110