What is hardware?
The physical parts that are attached to the motherboard
The logical components of a computer system
The physical components of a computer system
Which of the following statements about AND gates is correct?
The output is TRUE if either input is TRUE
The output is TRUE only if both the inputs are TRUE
The output is TRUE if neither input is TRUE
Which of the following statements about OR gates is correct?
The output is TRUE if either or both inputs is TRUE
Which of the following statements about NOT gates is correct?
The output is TRUE if the input is FALSE, and output is FALSE if the input is TRUE
The output is TRUE if the input is TRUE, and the output is FALSE if the input is FALSE
The output is always FALSE, regardless of the state of the input
Which of the following statements about logic gates is correct?
Only AND and OR gates can be combined to generate a desired output
AND, OR and NOT gates can be used in any combination to generate a desired output
AND and OR gates must always precede a NOT gate
What is the purpose of a truth table?
To show all possible combinations of inputs and outputs for a circuit
To show all the outputs for a circuit
To show all the inputs for a circuit
The output (Q) of a circuit is TRUE when the input (A) is FALSE. Which logic gate has been used?
AND
OR
NOT
The output (Q) of a circuit is TRUE if either or both inputs (A) and (B) are TRUE. Which logic gate has been used?
The output (Q) of a circuit is TRUE only if both inputs (A) and (B) are TRUE. Which logic gate has been used?
The output (Q) of a circuit is FALSE if either or both inputs (A) and (B) are TRUE. Which two logic gates have been used?
AND & OR
NOT & OR
NOT & AND