MCQ Bank
In case of cascading Integrated Circuit counters, the enable inputs and RCOof the Integrated Circuit counters allow cascading of multiple counters together
- A) True
- B) False
- C)
- D)
Demultiplexer can also be used as
- A) Decoder
- B) Encoder
- C) Deselector
- D) Inverse multiplexer
ABEL is an acronym for
- A) Advanced Broadband Enabled Longitude
- B) None of the given options
- C) Advanced Boolean Equation Language
- D) Advanced Boolean Expression Language
The declaration section of ABEL generally includes the device declaration, __________ declarations and set declarations.
- A) system
- B) pin
- C) model
- D) cell
In designing any counter the transition from a current state to the next sate is determined by
- A) Only inputs
- B) Current state and inputs
- C) current state and outputs
- D) Only current state
To implement the counter using S-R flip-flops instead of J-K flip-flops, the _____ transition table is used.
- A) S-R
- B) J-K
- C) Next State
- D) None of above
A’ is written in ABEL as_________.
- A) @A
- B) $A
- C) #A
- D) !A
In gated SR latch, what is the value of the output if EN=1, S=0 and R=1?
- A) 1
- B) Qt
- C) 0
- D) Invalid
For a gated D-Latch if EN=1 and D=1 then Q(t+1) = _________
- A) Q(t)
- B) 0
- C) 1
- D) Invalid
The Programmable Array Logic (PAL) has ___________ AND array and a _______ OR array.
- A) Fixed, Fixed
- B) Programmable ,Programmable
- C) Fixed, Programmable
- D) Programmable, Fixed
If data is brought into the J terminal and its complement to the K terminal, a J-K flip-flop operates as a(n) ________.
- A) N flip-flop
- B) S-C flip-flop
- C) D flip-flop
- D) S-R flip-flop
In Declaration section of ABEL, Device declaration is used to specify the ________ device that is to be programmed.
- A) PLA
- B) PLD
- C) PAL
- D) EPROM
When the control line in tri-state buffer is high, the buffer operates like a ________ gate
- A) OR
- B) XOR
- C) NOT
- D) AND
The GAL16V8 has eight _________each connected to eight product terms.
- A) cells
- B) OLMCs
- C) POS
- D) SOP
A 4-bit binary up/down counter is in the binary state of zero. The next state in the DOWN mode is:
- A) 1111
- B) 0001
- C) 1110
- D) 1000
A NOR based S-R latch is implemented using _______ gates instead of _________ gates.
- A) NOR,NAND
- B) NOR,XOR
- C) OR,XOR
- D) XOR,NAND
Divide-by-160 counter is acheived by using
- A) DIV 16 and DIV 10
- B) Flip-Flop and DIV 10
- C) Flip-Flop and DIV 16
- D) DIV 16 and DIV 32
All ABEL statements must end with _____.
- A) "
- B) '
- C) ;
- D) :
OLMC stands for ______________.
- A) Ordered Logic Macro Cells
- B) Output Logic Macro Cells
- C) Output Logic Micro Cells
- D) Ordered Logic Micro Cells
Why demultiplexer is called a data distributor?
- A) One of the inputs will be selected for the output
- B) The output will be distributed to one of the inputs
- C) The input will be distributed to one of the outputs
- D) Single input to Single Output