With each visit of this Digital Electronics online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.The equivalent weight of LSB in a four-bit variable resistive divider D/A converter is
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Question 2 of 30
Q-2.the maximum frequency to which Mod 16 ripple counter using 4 J-K flip flop with propagation delay time of 50 Nano second is
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Question 3 of 30
Q-3. The matrix is formed by connecting one diode along with a switch between
each row and column
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Question 4 of 30
Q-4.After counting 0, 1, 10, 11, the next binary number is
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Question 5 of 30
Q-5.To start the conversion in successive approximation DAC the programmer sets
the MSB to ___________ and all other bits to __________.
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Question 6 of 30
Q-6.Which table indicates the input conditions of the flip-flops necessary to cause
all possible next state transitions of a flip-flop?
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Question 7 of 30
Q-7.A PLA consists of two-level____________ circuits on a single chip
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Question 8 of 30
Q-8.It is a programmable array of logic gateson a single chip in AND-OR
configuration
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Question 9 of 30
Q-9.A register can be either static or dynamic.
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Question 10 of 30
Q-10.The First Generation of computer appeared during the period__________
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Question 11 of 30
Q-11.It is a circuit, which has a number of input lines and selection lines with one
output line
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Question 12 of 30
Q-12.It should be kept in mind that don’t care terms should be used along with the
terms that are present in________________
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Question 13 of 30
Q-13.A device that exhibits two different stable states and functions as a memory
element in a binary system is known as______________________ .
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Question 14 of 30
Q-14.A compensating circuit is introduced in the miller and bootstrap voltage sweep circuits
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Question 15 of 30
Q-15.BCD-to-Excess-3 Code Conversion is a example of a ______________.
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Question 16 of 30
Q-16.In binary number system a digit ranges from ___________
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Question 17 of 30
Q-17.the type of register, in which we have access only to left most and right most flip flop is
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Question 18 of 30
Q-18.Subtract ( 1010)2 from ( 1101 )2 using 1st complement..
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Question 19 of 30
Q-19.A basic AND gate consists of ______________inputs and an output
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Question 20 of 30
Q-20.In logic algebra, variables can assume only two values:either……….or 1.
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Question 21 of 30
Q-21.the minimum number of flip flop required for a mod 10 ripple counter are
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Question 22 of 30
Q-22.A switching function f(A,B,C,D)=¯A ¯BCD + ¯AB¯CD + ¯AB¯CD +A¯B ¯CD+ A¯BCD
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Question 23 of 30
Q-23.The address / data bus in 8085 is __________
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Question 24 of 30
Q-24.In which type of conversion, binary numbers can be converted into equivalent
octal numbers by making groups of three bits starting from the LSB, moving towards
the MSB of the number and then replacing each group of three bits by its octal
representation
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Question 25 of 30
Q-25.The chief reason why digital computers use complemental subtraction is that is
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Question 26 of 30
Q-26.The………. gate is also called any-or-all gate.
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Question 27 of 30
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Question 28 of 30
Q-28.An AND matrix is used to form _____________ terms.
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Question 29 of 30
Q-29.In this type of counter, the complement of the output of the last stage of
the shift register is fed back to the D input of the first state.
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Question 30 of 30
Q-30.If the amplifier gain in the bootstrap sweep circuit is less than unity,then
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