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Q1. Conversion of hexadecimal number 93FA16 to it’s binary number equivalent is
Answer: (A) 10010011111110102
Q2. Binary-Coded-decimal (BCD) numbers express each digit as a _
(D) None of the above
Answer: (B) Nibble
Q3. A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a __
(B) Memory location
Answer: (B) Memory location
Q4. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is
(D) Universal logic circuit
Q5. A combinational logic circuit which is used when it is desired to send data from two or more source through a single transmission line is known as
Answer: (C) Multiplexer
Q6. The 1’s compliment of binary number 11010 is:
Answer: (A) 00101
Q7. A shift register moves the left or right. Serial loading means storing a word in a shift register by entering bit per clock pulse. With parallel or broadside loading, it takes only one _ pulse to load the input word.
(A) Light, eight, clock
(B) Right, eight, clock
(C) Bits, one, register
(D) Bits, one, clock
Answer: (D) Bits, one, clock
Q8. Which TTL sub-family has maximum speed?
(A) Standard TTL
(B) Schottky-clamped TTL
(C) High speed TTL
(D) Low power TTL
Answer: (B) Schottky-clamped TTL
Q9. Conversion of binary number 1011102 to an octal number is
Q10. Which of the following is the first integrated logic family?
Answer: (A) RTL
Q11. The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a __ RAM.
Answer: (B) Static
Q12. Conversion of an octal number 74328 to a binary number is
Q13. The logic 1 in positive logic system is represented by:
(A) Zero voltage
(B) Lower voltage level
(C) Higher voltage level
(D) Negative voltage
Answer: (C) Higher voltage level
Q14. Conversion of an octal number 1438 to hexadecimal number is
Answer: (A) 6316
Q15. Conversion of decimal number 1310 to it’s octal number equivalent is
Answer: (A) 158
Digital Computer Electronics MCQ – All Set
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