# Fundamentals Of Digital Electronics

15 Questions  I  By Alexeialeesh
Digital Electronics quizes

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## Questions and Answers

 1 A Register is a group of ---------
 A. OR gates
 B. OR & AND gate
 C. Flip-flops
 D. None of these
 2 Each Flip-flop stores ---------- bits
 A. 1 bit
 B. 8 bit
 C. 16 bit
 D. 2 bit
 3 A NOR gate is ON only when all its inputs are
 A. ON
 B. Positive
 C. High
 D. OFF
 4 The First Microprocessor was__________
 A. 8080
 B. 8085
 C. 4008
 D. Intel 4004
 5 8088 was introduced in __________
 A. 1971
 B. 1979
 C. 1972
 D. 1978
 6 Which is a 8 bit Microprocessor __________
 A. Intel 4040
 B. Pentium – I
 C. 8088
 D. Intel 8080
 7 Pentium-I, Pentium-II, Pentium-III and Pentium-IV are recently introduced microprocessor by__________
 A. Motorola
 B. Intel
 C. Stephen Mors
 D. None of these
 8 Status register is also called as ___________
 A. Accumulator
 B. Stack
 C. Counter
 D. Flags
 9 The 8085 is based in a _____ pin DIP
 A. 40
 B. 45
 C. 35
 D. 20
 10 The number system that we use in our day to day life is called the Number System__________
 A. Octal
 B. Binary
 C. Hexadecimal
 D. Decimal
 11 The three logical operations, which are said to be logically Complete, as any Boolean function may be realized using these Three operations are:
 A. AND, OR and NOT
 B. AND, OR and XOR
 C. AND, OR and NAND
 D. XOR, NOR and NAND
 12 Pictorial representation of Boolean algebra is known as
 A. Venn Diagram
 B. Flow Chart
 C. Data Flow Diagram
 D. Truth Table
 13 Device or Circuit whose output will remain unchanged once set
 A. Flip-Flop
 B. Gate
 C. Boolean Algebra
 14 ……….Are used for converting one type of number system in to          other form
 A. Encoder
 B. Logic gate
 C. Half adder
 D. FA
 15 In a 2nd complement a number which is subtracted from other      number is known as………..
 A. Carry
 B. Subtrahend
 C. Minuend
 D. None of these
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