218 - Quiz 11 - adders, decoders, encoders

which of the following represents number of output lines for decoder with 4 input lines?

• 16

• 4

• 32

• 64

BCD to 7 segment conversion is a

• decoding process

• encoding process

• comparing process

• multiply process

Simplest Line decoder is

• 0-1 Line decoder

• 1-2 Line decoder

• 0-2 Line decoder

• 1-5 Line decoder

Device that establish the priority of competing inputs by outputting a binary code representing the highest priority active input is called

• priority encoder

• linear encoder

• priority decoder

• None

if the input line at position 7 to an encoder is on, the input might be encoded as

• 1110

• 111

• 1010

• 1111

if the input to a decode was 0111 the output might be one on line at position

• 14

• 7

• 10

• 15

Decoder which takes an n-digit binary number and decodes it into 2ⁿ data lines is called

• pin decoder

• line decoder

• row decoder

• column decoder

Decoder is reverse of

• encoder

• decoder

• multiplexer

• data selector

When adding two binary numbers, which logic gate is used to calculate the carry bit?

• an AND gate

• an OR gate

• a NAND gate

• an XOR gate

In a full adder, which logic gate is used to check if either one of the carry bits is true?

• an OR gate

• an AND gate

• an XOR gate

• a NAND gate