Q.1
Why latches are called a memory devices?
  • it has capability to stare 8 bits of data
  • it has internal memory of 4 bit
  • it can store one bit of data
  • it can store infinite amount of data
Q.2
There are _____ Minterms for 3 variables (a, b, c).
  • 0
  • 2
  • 8
  • 1
Q.3
The word demultiplex means
  • one into many
  • many into one
  • distributor
  • one into many as well as distributor
Q.4
The expression Y=AB+BC+AC shows the _______ operation.
  • ex-or
  • sop
  • pos
  • nor
Q.5
Metal links are made up of ___________
  • polycrystalline
  • magnesium sulphide
  • nichrome
  • silicon dioxide
Q.6
Wat is the gray code for this binary code: 1010?
  • 1121
  • 1211
  • 1111
  • 1011
Q.7
What is the Length of ASCII
  • 8 bit
  • 12 bit
  • 7 bit
  • 4 bit
Q.8
Convert 75.into hexadecimal
  • 4B.A
  • 2B.A
  • 41B.A
  • 14B.A
Q.9
Full form of ASCII
  • American standard code for information interchange
  • African super code for innovation interchange
  • American super code for innovation interchange
  • African standard code for information interchange
Q.10
In a clocked SR latch the outputs of the latch change when:
  • Clock is 0
  • Clock is 1
  • Does not depend on clock
  • None of the above
Q.11
Decoder is a
  • combinational circuit
  • sequential circuit
  • complex circuit
  • gate
Q.12
A collection of flip-flops used to move data(bits) within a register is a _______.
  • Shift Register
  • Bit Register
  • Flip Register
Q.13
A "universal" basic memory device used in banks called registers
  • J-K Flip-Flop
  • D-Type Flip-Flop
  • S-R Flip-Flop
Q.14
What is a Flip-Flop?
  • a 2 state device which offers basic memory for sequential logic operations, heavily used in banks called "registers"
  • a logic device used to invert a value
  • a storage device that works with non binary numbers
Q.15
A flip flop can store
  • 1 bit
  • 2 bits
  • 4 bits
  • 8 bits
Q.16
Which device has one input and many outputs
  • flip flop
  • multiplexer
  • demultiplexer
  • counter
Q.17
Which of the following circuits can be used as parallel to serial converter?
  • Multiplexer
  • Demultiplexer
  • Digital counter
  • Decoder
Q.18
An AND gate has 7 inputs.How many input words are in its truth table?
  • 16
  • 32
  • 64
  • 128
Q.19
OR-AND realisation is equivalent to
  • SOP
  • POS
  • K-map
  • None of these
Q.20
AND-OR realisation is equivalent to
  • SOP
  • POS
  • K-map
  • None of these
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