1. Select the number that Shift register has in the Integrated circuit
(A). 74124
(B). 74123
(D). 74195
(D). 74154
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Answer: c. 74195
2. The 16×4 RAM show that each memory location is of
(A) 2bits
(b) 8bits
(c). 4bits
(d). 16bits
Answer: c. 4bits
3. The 3×8 decoder will have________?
(A) 4 inputs
(B). 3 inputs
(C). 5 inputs
(D). 6 inputs
Answer: b. 3 inputs
4. With the Adding 1001 and 0010 produce___________output?
(A). 0
(B). 1111
(C). 1011
(D). 1010
Answer: c. 1011.
5. The process To shift the data from the right side to the shift register SH/LD pin must be equal to
(A). 0
(B). 2
(C). 1
(D). None
Answer:b. 2
6. The IC type 7483 has_________?
(A). 1 bit IC
(B). 4 bits IC
(C). 3 bits IC
(D). 2 bits IC
Answer: b. 4 bits of IC
7. 1 means in most of the logic gates is?
(A). 0V
(B). 5V
(C). 1V
(D) 10V
Answer: b. 5V
8. In the 14 pin gate, pin number 14 is marked through ___________?
(A). ground
(B). Vdd
(C). Vcc
(D). AC
Answer: c. Vcc.
9. When J and complement of K are 1, flip-flop QA after the shift is equal to____________?
(A). reset
(B). 0
(C). 1
(D). defined
Answer: c. 1
10. what we use for to clear the flip-flops
(A). Multiplexer
(B). push button
(C). toggle switch
(D). Demultiplexer
Answer: c. toggle switch
11. Select the Number of ripple counter in IC ___________ are
(A). 7492
(B). 7865
(C). 7493
(D). 7654
Answer: c. 7493
12. What is called When the output is equal to zero?
(A). A=B
(B). A>B
(C). A<B
(D). None
Answer: a. A=B
13. 1. Two cross-coupled NAND gates produce what?
(A). RS flip-flop
(B). SR Latch
. D flip-flop
(D). master-slave flip-flop
Answer:b. SR Latch
14. Select the values Toggle switches to have
(A). 1
(B). 0
(C). both a and b
(D). 2
Answer: c. both a and b
15. particularly gates work on
(A) 3V
(B) 4V
(C) 5V
(D) 2V
5V
16. The clock output and master-slave output produced?
(A). chart
(B). map
(C). timing diagram
(D). table
Answer: c. timing diagram
17. In the Full adder circuit uses two integrated circuits one is 7486 select another from the following?
(A). 7483
(B). 7400
(C). 74151
(D) 7500
Answer: b. 7400
7400
Answer: a. 4-bit ripple counter
18. Select the state of WE to Write operation in a memory
(A). 1
(B). reset
(C). 0
(D). cleared
Answer: c. 0
19. The ME input in RAM known as
(A). memory enabled
(B). memory erase
(C). mechanical engineer
(D) mode erase
Answer: a. memory enabled
20. Select the combined number for function simplification
(A). 1
(B). 0
(C). 2
(D). 3
Answer: a. 1
21. The Strobe S in a mux used as
(A) reset
(B). enable
(C). clear
(D). stop
Answer: b. enable
22. The Integrated circuit number 74151 consists of
(A). 2×1 mux
(B). 3×8 decoder
(C). 8×1 multiplexers
(D). 4bit counter
Answer: c. 8×1 multiplexers
23. When WE= x than Select the operation is
(A). running
(B). storing
(C). writing
(D). disabled
Answer:c. writing
24. The Ripple counter IC has____________pins?
(A). 10 pins
(B). 14 pins
(C). 12 pins
(D). 11 pins
Answer: b. 14 pins
25. The ratio of two numbers in an operation that find whether a number is greater, equal or less than other number is known as
(A). Magnitude Comparator
(B). Logical circuit
(C). Logic Operator
(D). None of the above
Answer: d. None of the above
26. ROM simulator changes binary codes into__________?
(A) gray code
(B). octal
(C). hex
(D). BCD code
Answer: a. gray code
27. The ROM simulator adds two 3bit and 2bit numbers to give an output of
(A). 2 bits
(C) 4 bits
(C) 3 bits
(D).5 bits
Answer: b. 4 bits
28. The Four gates in a package are known as?
(A). quadruple
(B). octruple
(C). dualruple
(D). biruple
Answer: a. quadruple
29. IF E=0 in Up-down counter with Enable mode than the counter is
(A). disable
(B). enable
(C) running
(D). None
Answer: b. enable
30. The 7404 is a____________?
(A). single inverter
(B). decimal inverter
(C). binary inverter
(D). hex inverter
Answer: d. hex inverter
31. The Decimal digit in BCD can be expressed through?
(A). 1 input line
(B). 4 input lines
(D). 3 input lines
(D) 2 input lines
Answer: b. 4 input lines
32. To start the game in lamp handball the start switch starts at?
(A) extreme right side
(B). extreme left side
(C). extreme backside
(D). both a and b
Answer: d. both a and b
More MCQs of Digital Logic Design (DLD)
- SET 1: DLD MCQs with answers (dld mcqs with answers)
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- SET 3: DLD MCQs (solved mcqs of dld)
- SET 4: DLD MCQs (dld repeated mcqs)
- SET 5: DLD MCQs (dld importan mcqs)
- SET 6: DLD MCQs DLD Solved MCQs Answers PDF
