• 8
• 16
• 32
• 4
• #### 2.  When is the output for OR gate TRUE?

• A.When both inputs are TRUE.
• B.When at least one of the inputs is TRUE.
• C.When both inputs are FALSE
• D.When at least one of the inputs is FALSE.

• AND
• OR
• NOT
• NOR

• *
• +
• -
• %

• A.A^B
• B.A˅B
• C.¬A^B

• 85
• 170
• 180
• 75
• #### 7.  5.Which of the following is FALSE about a NOT gate?

• A.The output of NOT is complementary to the input
• B.When the input to NOT gate is 0, the output is 1.
• C.A NOT gate has two input signals and an output signal.
• D.None of the above
• #### 8.  2.What is a truth table?

• A.A table that denotes the different outputs of the logic gates or circuit with respect to different inputs.
• B.A table that represents how logic gates are combined to form a logic circuit.
• C.A table that shows the input combinations that result in a binary output 1 in a logic gate.
• #### 9.  Logc Circuits are formed of

• AND Gates
• OR Gates
• NOT Gates
• All of the above

• AND
• OR
• NOT
• #### 11.  A NOT gate has…

• Two inputs and one output
• One input and one output
• One input and two outputs
• Two inputs and two outputs
• #### 12.  The OR Gate has Algebraic presentation of

• plus sign (-)
• Plus (+)
• None of these

• A.2×n
• B.2n
• C.n÷2
• #### 14.  Electronic switch built in 1947

• transistor
• semiconductor
• diode
• vacuum tube

• AND
• OR
• NOT
• TO

• 0
• 1
• #### 17.  What is a logic circuit?

• A combination of logic gates that performs a specific function.
• A combination of logic gates that understands both binary and decimal number systems.
• A combination of logic gates that understands decimal number system.
• #### 18.  1.Which of the following statement is FALSE about logic gates?

• A.Logic gates are the building blocks of electronic circuits.
• B.It used in computer components like memory.
• C.Combination of logic gates is called a logic circuit.
• D.Logic gates understand the binary language.
• E.None of the above.
• #### 19.  An OR gate has

• Two inputs and one output
• One input and one output
• One input and two outputs
• Two inputs and two outputs

• AND
• OR
• XOR
• NOT
• #### 21.  What will the circuit's output be?

• 1
• 0
• 2
• None of these
• #### 22.  The difference between OR and XOR Gate

• both have 3 inputs
• The output of the XOR in case of two ON inputs is 0
• OR has 2 inputs and XOR has 3 inputs
• They are similar in everything
• #### 23.  6.When is the output for AND gate TRUE?

• A.When both inputs are TRUE.
• B.When at least one of the inputs is TRUE.
• C.When both inputs are FALSE
• D.When at least one of the inputs is FALSE.

• AND
• OR
• NOT
• NOR

• 1
• 2
• 3
• 4
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