Digital Electronics MCQs in PDF format for Electrical Engineering students. This includes a comprehensive set of Digital Electronics MCQs, available for free download, an online test, and a Digital Electronics MCQ book.
if a binary conversion of a Hexadecimal number is required. How many bits are there going to be in each hexadecimal digit ?
A. 2
B. 3
C. 4
D. 6Count the number of digits in a binary number system.
A. 1
B. 2
C. 3
D. 5Which of these is a digital gadget ?
A. Microphone
B. Resistance of a material
C. Light switch
D. Regulator of a fanThe following output states are found in a three-state buffer:
A. High, Low, Float
B. 1, 0, float
C. Both a and b
D. Set, Reset, HaltToggle mode on a JK flip-flop features ?
A. J = 0, K = 1
B. J = 1, K = 0
C. J = 1, K = 1
D. J = 0, K = 0Which one of the following is not a vectored interrupt?
A. RST 6.5.
B. INTR
C. TRAP
D. RST 7.5Which of these sets of logic gates are called universal gates ?
A. OR, NOT, AND
B. NOR, NAND, XNOR
C. XOR, NOR, NAND
D. NOR, NANDIn what scenario is a D-flip-flop considered transparent ?
A. the output follows clock
B. the output follow input
C. the output is LOW
D. the output is HIGHWhich situation is not permitted in an SR latch constructed from NOR gates ?
A. S=1, R=1
B. S=1, R=0
C. S=0, R=0
D. S=0, R=1The first bit (digit) in a binary number system from right to left is referred to as ?
A. Last Bit
B. LSB, Least Significant Bit
C. MSB, Most Significant Bit
D. First Bit