NAVEDTRA 14185A Ch3

Question 1

Which gate is a notified OR gate that produces a HIGH output when only one of the inputs is high

Answer 1

Exclusive OR gate

Question 2

What are combinations of logic gates that combine binary values to obtain a sum

Answer 2

Adders

Question 3

Which circuit can add 2 binary digits but will NOT produce a carry 2

Answer 3

Quarter adders

Question 4

What is designed to combine 2 binary digits and produce a carry

Answer 4

Half adder

Question 5

Subtraction is accomplished in computers by the R’s complement and what other method

Answer 5

ADD

Question 6

What may be used to store data temporarily to multiply of divide to count operations or to receive and transfer information

Answer 6

Flip flops

Question 7

Which type of bistable device changes state on command from a common input terminal

Answer 7

Toggle

Question 8

What is the most widely used FF because its versatility

Answer 8

J-K FF

Question 9

What is a timing signal generated by the equipment to control operations

Answer 9

Clock

Question 10

Which type of temporary storage device is used to store data memory addresses and operation codes

Answer 10

Register

Question 11

Which type of register can the contents be shifted one or more places to the left or the right

Answer 11

Shift register

Question 12

Which term means that the data along a single line one but at a time

Answer 12

Serial transfer

Question 13

Which term means that each but if data is moved on its own line and that l bits transfer simultaneously

Answer 13

Parallel transfer

Question 14

Which term means to change the magnitude of a number

Answer 14

Scaling