Digital Data Representation) MCQs > FREE SET - 2

	1. Conversion of a hexadecimal number 3D16 to binary number is
	A 1111012 B 1100112 C 11110100010110 D 1100012 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	2. Conversion of binary number 1010101000010111 to hexadecimal number is
	A D8F9 B A8B9 C AA17 D D9F8 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	3. Conversion of an octal number 20 to its binary number is
	A 10000 B 10111 C 10110 D 11110 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	4. Conversion of binary number 101110 to octal is
	A 35 B 46 C 56 D 50 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	5. Conversion of an octal number 142 to binary number is
	A 1100010 B 110110 C 1100011 D 1101101 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	6. Conversion of an octal number 73 to binary number is
	A 110111 B 111100 C 110010 D 111011 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	7. The binary equivalent of the Octal number 13.54 is
	A 1011.1011 B 1101.1110 C 1001.1110 D All of the above Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	8. Conversion of decimal number 61 to it's binary number equivalent is
	A 110011 B 11001110 C 111101 D 11111 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	9. An OR gate can be imagined as
	A switches connected in series B switches connected in parallel C MOS transistors connected in series D All of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	10. What is the decimal equivalent of Hexadecimal 3F
	A 63 B 32 C 16 D 38 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	11. Conversion of an octal number 112 to hexadecimal number is
	A 4A B 5A C 15 D 20 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	12. A positive AND gate is also a negative
	A NAND gate B NOR gate C AND gate D OR gate Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	13. Conversion of binary number 101101 to hexadecimal is
	A 37 B 2D C 2E D 27 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	14. De Morgan's second theorem says that NAND gate is equivalent to a bubbled __________ gate.
	A AND B XAND C XOR D OR Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	15. What logic function is produced by adding an inverter to each input and the output of an AND gate?
	A NAND B NOR C OR D XOR Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	16. Flip-flop outputs are always
	A complimentary B the same C independent of each other D same as inputs Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	17. What is the 2's complement of 0011 0101 1001 1100 number?
	A 1100 1010 1100 1011 B 1100 1010 0110 0011 C 1100 1010 0110 0100 D 1100 1010 1111 1111 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	18. The hexadecimal digits are 0 to 9 and A to _________
	A E B F C G D D Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	19. The ASCII
	A is a subset of 8-bit EBCDIC B is used only in Western Countries C is version II of the ASC Standard D has 128 characters, including 32 control characters Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	20. Conversion of binary number 101000010111 to hexadecimal number is
	A D8F9 B A8B9 C A17 D D9F8 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	21. Conversion of an octal number 143 to its decimal number is
	A 90 B 971 C 99 D 107 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	22. De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _________ gate.
	A AND B XAND C XOR D NOR Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	23. Conversion of decimal number 13 to it's octal number equivalent is
	A 15 B 17 C 13 D 11 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	24. The binary number 1100 0101 has _________ bytes
	A 1 B 2 C 4 D 8 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	25. Conversion of decimal number 71 to it's binary number equivalent is
	A 110011 B 1110011 C 0110011 D 1000111 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	26. Which of the following flip-flops is free from race around problem?
	A T flip-flop B SR flip-flop C master slave JK flip-flop D All of the above Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	27. Conversion of decimal number 67 to it's octal number equivalent is
	A 100 B 103 C 109 D 99 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	28. A NOR gate has two or more input signals. All input must be _________ to get a high output
	A low B high C some low some high D 1's Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	29. The OR gate has two or more input signals. If any input is _________ the output is high.
	A low B high C medium D All of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	30. Conversion of an octal number 143 to hexadecimal number is
	A 63 B 60 C 50 D 57 Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	31. Addition of Binary number 1101 and 1010 is
	A 10101 B 11000 C 11011 D 10111 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	32. A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _________ to get a low output
	A low B high C some low and some high D 0's Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	33. Conversion of decimal number 28 to it's octal number equivalent is
	A 32 B 40 C 34 D 36 Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	34. Division of Binary 100011 by 101 is
	A 100 B 111 C 101 D 1010 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	35. The NOR gate is logically equivalent to an OR gate followed by an __________
	A AND B XAND C XOR D inverter Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	36. The control and arithmetic-logic sections are called the _________
	A Block diagram B Control Unit C Input / Output Unit D Central Processing Unit Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	37. What is the decimal equivalent of 210?
	A 4096 B 1024 C 1000 D 16 Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	38. Semiconductor memory is:
	A somewhat slower than magnetic core memory B a volatile memory C somewhat larger than the magnetic core memory D All of the above Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	39. A half-adder is also known as:
	A AND circuit B NAND circuit C NOR circuit D EX-OR circuit Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	40. Why are digital circuits easier to design than analog circuits?
	A they do not control electricity precisely over a wide range B they are made in the form of ICs C all elements of digital circuit are from the same family D they are smaller in size Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	41. A binary adder is a logic circuit that can add _________ binary numbers at a time.
	A Hundreds B Thousands C One D Two Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	42. A half-adder adds _________ bits
	A 16 B 8 C 10 D 2 Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	43. The _________ is ultraviolet-light-erasable and electrically programmable. This allows the user to erase and store until programs and data are perfected.
	A EPROM B ROM C PROM D RAM Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	44. A multiplexer is also known as
	A coder B decoder C data selector D multivibrator Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	45. How many outputs signals can a gate have?
	A one B more than one C two only D None of the above Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	46. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
	A decoder B encoder C multiplexer D demultiplexer Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

	47. A gate is a logic circuit with one or more input signals but _________ output signal.
	A two B double C one D more than one Free MCQs www.sharemcq.com     Answer: Option C Explanation: Available Soon. Workspace View Answer Workspace

---

	48. A de-multiplexer is also known as
	A data selector B data distributor C multiplexer D encoder Free MCQs www.sharemcq.com     Answer: Option B Explanation: Available Soon. Workspace View Answer Workspace

---

	49. A flip-flop can store
	A one bit of data B two bits of data C three bits of data D any number of bits of data Free MCQs www.sharemcq.com     Answer: Option A Explanation: Available Soon. Workspace View Answer Workspace

---

	50. Which of the following electronic component is not found in ordinary ICs?
	A diodes B resistors C transistors D inductors Free MCQs www.sharemcq.com     Answer: Option D Explanation: Available Soon. Workspace View Answer Workspace

---

---