Description : The hexadecimal representation of 14 is _______________ a) A b) F c) D d) E
Last Answer : Answer: d Explanation: The hexadecimal representations are as follows: 10 : A 11 : B 12 : C 13 : D 14 : E 15 : F
Description : Convert the decimal number 14.875 to binary. 87) A) 1110.0111 B) 1110.1110 C) 1111.1011 D) 1100.1100
Last Answer : B) 1110.1110
Description : The checksum of0000 and0000 is__________. A) 1111 B) 0000 C) 1110 D) 0111
Last Answer : 0111
Description : The checksum of1111 and1111 is_________. A) 1111 B) 0000 C) 1110 D) 0111
Last Answer : 1110
Description : Convert the decimal number 0.0625 to binary. 100) A) 0000.0111 B) 0000.1110 C) 0000.0011 D) 0000.0001
Last Answer : D) 0000.0001
Description : Which of the following is the correct representation of a binary number? a) (124)2 b) 1110 c) (110)2 d) (000)2
Last Answer : Answer: d Explanation: The binary numbers should comprise only two digits 0 and 1. Also, for the base, the value should be 2 and it should be written as a subscript enclosing the entire number. Here, the fourth option gives the correct representation
Description : The sign magnitude representation of -1 is __________ a) 0001 b) 1110 c) 1000 d) 1001
Last Answer : Answer: d Explanation: The first leftmost bit i.e. the most significant bit in the sign magnitude represents if the number is positive or negative. If the MSB is 1, the number is negative else if it is 0, the number is positive. Here, +1=0001 and for - 1=1001
Description : 1’s complement representation of decimal number of -17 by using 8 bit representation is (A) 1110 1110 (B) 1101 1101 (C) 1100 1100 (D) 0001 0001
Last Answer : (A) 1110 1110
Description : When the set of input data to an even parity generator is 0111, the output will be (A) 1 (B) 0 (C) Unpredictable (D) Depends on the previous input
Last Answer : Ans: B In even parity generator if number of 1 is odd then output will be zero.
Description : Convert the decimal number 6.75 to binary. 14) A) 0110.1100 B) 0111.1100 C) 0110.0110 D) 0110.1010
Last Answer : A) 0110.1100
Description : What is the hexadecimal representation of this binary number 01100011110?
Last Answer : To convert binary to hex, starting from the low-order bit(working right-to-left), split the binary digits into groups offour-bit nybbles (half-a-byte) and then translate each nybble toits hexadecimal ... :001 = 1100 = 4011 = 3110 = 6Thus 01100011110 binary is 1436 octal which is often written01436.
Description : An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation A. F00 B. 00F C. FF00 D. FF0000
Last Answer : D. FF0000
Description : What is the hexadecimal representation of (657)8 ? (a) 1 AF (b) D 78 (c) D 71 (d) 32 F
Last Answer : 1 AF is the hexadecimal representation of (657)8 .
Description : The hexadecimal equivalent of a decimal 14 is ________. 98) A) "C" B) "D" C) "E" D) "F"
Last Answer : C) "E"
Description : The 'function generator' of the control circuit illustrated _______________. EL-0095 A. can be programmed to produce a non-linear output for a linear input depending on operating conditions B. is used for ... which or how many engines are needed for a required vessel speed D. all of the above
Last Answer : Answer: A
Description : In one's complement arithmetic, if positive 7 is 0111, then negative 7 is ________. A) 1111 B) 1101 C) 1000 D) none of the above
Last Answer : 1101
Description : The decimal equivalent of the BCD value 0111 0110 1000 is ________. 124) A) 70810 B) 17210 C) 76810 D) 6871
Last Answer : C) 76810
Description : The BCD equivalent of decimal 64 is ________. 101) A) 0111 0110BCD B) 0111 1110BCD C) 0100 0010BCD D) 0110 0100BCD
Last Answer : D) 0110 0100BCD
Description : The BCD equivalent of decimal 912 is ________. 60) A) 1001 0001 0010BCD B) 1001 1000 0001BCD C) 0111 1111 1110BCD D) 0010 001 1001BCD
Last Answer : A) 1001 0001 0010BCD
Description : For the 8-bit word 00111001, the check bits stored with it would be 0111. Suppose when the word is read from memory, the check bits are calculated to be 1101. What is the data word that was read from memory? (A) 10011001 (B) 00011001 (C) 00111000 (D) 11000110
Last Answer : (B) 00011001
Description : Hexadecimal number system has ..............base. A) 16 B) 14 C) 12 D) 08
Last Answer : A) 16
Description : If the percentage modulation of an AM amplifier is 88% and the modulating signal is 1 volt, the carrier has an amplitude of _______________. A. 1.14 volts B. 0.88 volt C. 1.88 volts D. 0.12 volt
Last Answer : A. 1.14 volts
Description : Compensation of letter and bulk bag of foreign articles are a) 220(60 gold francs) & 1110( 300 gold francs) b) 110(60 gold francs) & 1110( 300 gold francs) c) 200(60 gold francs) & 1000( 300 gold francs) d) None of the above
Last Answer : b) It can be registered with an note that the deficiency would be collected from addresse
Description : Find the transmitted code if the frame is (MSB) 1101011011 (LSB) and generator polynomial is x4 + x + 1. A. 1101011011 1110 B. 1101011111 1110 C. 1101011011 1111 D. 1101011011
Last Answer : A. 1101011011 1110
Description : The BCD equivalent of decimal 109 is ________. 99) A) 1110 1011BCD B) 0001 0000 1001BCD C) 1110 1110 1100BCD D) 0001 0000 1101BCD
Last Answer : B) 0001 0000 1001BCD
Description : Convert the decimal number 12.125 to binary. 12) A) 1100.0110 B) 1110.0010 C) 1100.0010 D) 1010.1100
Last Answer : C) 1100.0010
Description : In a classful addressing, first four bits in Class A IP address is (A) 1010 (B) 1100 (C) 1011 (D) 1110
Last Answer : Answer: A,B,C,D
Description : IR stands for. a. Input representation b. Intermediate representation c. Both d. None
Last Answer : b. Intermediate representation
Description : If the output of a circuit needs to be a complete representation of one-half of the input signal, what class of operation is indicated?
Last Answer : Class B operation.
Description : What provides a visual representation of any waveform applied to the input terminals?
Last Answer : cathode ray oscilloscope (CRO)
Description : Describe the operation of inductor with sinusoidal AC voltage as input. Draw waveform for voltage across and current through the inductor. Draw its phasor representation.
Last Answer : An alternating voltage is applied to a purely inductive coil, a back e.m.f. is produced due to self-inductance of the coil. The back e.m.f. at every step, opposes the rise of fall of current through the coil ... drop, the applied voltage has to overcome this self induced e.m.f. only.
Description : Which of the following number system is natively used by a computer: a) Hexadecimal b) Octal c) Decimal d) Binary e) None of These
Last Answer : d) Binary
Description : Computers use the _____number system to store data and perform calculations: a) Binary b) Octal c) Decimal d) Hexadecimal e) None of The Above
Last Answer : a) Binary
Description : The hexadecimal digits are 0 to 9 and A to _____: a) E b) G c) F d) None of The Above
Last Answer : c) F
Description : Computers use the ________ number system to store data and perform calculations. a) Binary b) Octal c) Decimal d) Hexadecimal e) None of these
Description : How many symbols are used in the hexadecimal number system? 15) A) sixteen B) six C) ten D) twelve
Last Answer : A) sixteen
Description : A base-16 number system that uses sixteen distinct symbols 0-9 and A-F to represent numbers from 0 to 15. A. Binary B. Decimal C. Hexadecimal D. Hepadeximal
Last Answer : A. Binary
Description : What will be the hexadecimal value in the register ax (32-bit) after executing the following instructions? Mov al, 15 Mov ah, 15 Xor al, al Mov cl, 3 Shr ax, cl Codes: (A) 0F00 h (B) 0F0F h (C) 01E0 h (D) FFFF h
Last Answer : (C) 01E0 h
Description : Computers use the _____ number system to store data and perform calculations. 1) Decimal 2) Hexadecimal 3) Octal 4) Binary 5) None of these
Last Answer : Answer :4
Description : A number system that has eight different symbols to represent any quantity is known as A) Binary B) Octal C) Decimal D) Hexadecimal
Last Answer : Answer : B
Description : ENIAC uses A) Decimal Numbering System B) Octal Numbering System C) Binary Numbering System D) Hexadecimal Numbering System
Last Answer : Answer : A
Description : Which number system is usually followed in a typical 32-bit computer? A) Binary B) Decimal C) Hexadecimal D) Octal
Description : Which of the following is not a positional number system? a) Roman Number System b) Octal Number System c) Binary Number System d) Hexadecimal Number System
Last Answer : Answer: a Explanation: The Roman number system isn’t a positional number system since , it uses symbols to represent numbers. The octal number system uses digits from 0-7 , the binary number system uses digits from 0-1 whereas, the hexadecimal number system uses digits from 0-15
Description : Select the incorrect option : a) (101)10 = (1100101)2 b) G is valid in hexadecimal system. c) C represents 12 d) The base of a decimal number system is 10.
Last Answer : Answer: b Explanation: G is not a valid hexadecimal number. In this system , only representations from A to E are used to represent the numbers from 10 to 15. The base of the hexadecimal number system is 16
Description : The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to ____and vice versa: a) binary b) decimal c) BCD d) None of The Above
Last Answer : a) binary
Description : Computers use the .... number system to store data and perform calculations. 1) binary 2) octal 3) decimal 4) hexadecimal
Last Answer : 1) binary
Description : What type of information system would be recognised by digital circuits ? (1) Binary system (2) Both hexadecimal and binary system (3) Only Roman system (4) Hexadecimal system
Last Answer : Binary system
Description : If the control signals are generated by combinational logic, then they are generated by a type of _______________ controlled unit. a) Micro programmed b) Software c) Logic d) Hardwired
Last Answer : Answer: d Explanation: The main task of a control unit is to generate control signals. There are two main types of control units: A hardwired control unit generates control ... combinational logic circuits and the Micro programmed control unit generates control signals by using some softwares
Description : Which one among the following is incorrect about 'class': a) A class is simply a representation of the type of object. b) It is blueprint or plan or template that describes the details of an object. ... of three things - a name, attributes and operations d) All of the above e) None of These
Last Answer : e) None of These
Description : What is an interpreter? A) An interpreter does the conversion line by line as the program is run B) An interpreter is the representation of the system being designed C) An interpreter is a general purpose language providing very efficient execution D) None of the above