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Digital signals are represented in the form of.
a) 0’s                                                     

b) 1’s
c) both a & b                                       

d) none of these

c

What is used to create digital circuits which consist of large number of logic gates?
a) digital circuit                   

b) digital logic
c) both a & b                                       

d) none of these

b

An electronic circuit that takes one or more inputs and gives single output.
a) logic gate                                        

b) digital logic
c) digital circuit                    

d) none of these

a

How many types of logic gates?
a) one                                                    

b) two
c) three                                 

d) four

c

(AND, OR NOT)



Which gate gives output high (1) when all inputs are high(1)?
a) OR gate                                            

b) AND gate
c) NOT gate                                         

d) NAND gate

b

Which formula is used for AND gate?
a) output=A+B                    

b) output=A.B
c) output=A/B                                     

d) output=A-B


b