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Digital Electronics

Digital Electronics
The decimal equivalent of the highest possible address for an 8-bit address bus is

 8
 128
 255
 256

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

NOT gates
OR gates
NAND gates
None of these

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 G = Ā
 G = A
 A= G
None of these

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Digital Electronics
Why decoder is used in the digital electronics ?

 To convert non coded information into coded form
 It is used to separate address bus and data bus
None of these
 To convert coded information into non coded form

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 XS-3 code
 binary code
 BCD code
 Gray code

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