Description : Instructions and memory address are represented by A) Character code B) Binary codes C) Binary word D) Parity bit
Last Answer : Answer : B
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : Binary codes
Last Answer : b. Binary codes
Description : Digital number 9 can be represented in binary number as A. 110 B. 1001 C. 1010 D. 1011
Last Answer : 1001
Description : In which computers, the binary number are represented by a set of binary storage device such as flip flop: a. Microcomputer b. Personal computer c. Digital computer
Last Answer : c. Digital computer
Description : Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics ... be assembled into machine language for execution d) All of the Above e) None of These
Last Answer : e) None of These
Description : Which of the following is incorrect? Algorithms can be represented: a) as pseudo codes b) as syntax c) as programs d) as flowcharts
Last Answer : Answer: b Explanation: Representation of algorithms: -As programs -As flowcharts -As pseudo codes
Description : Computer instructions written with the use of English words instead of binary machine code is called A) Mnemonics B) Symbolic code C) Gray codes D) Opcode
Description : A computer language that is written in binary codes only is _____ a) machine language b) C c) C# d) pascal
Last Answer : Answer: a Explanation: Machine Language is written in binary codes only . It can be easily understood by the computer and is very difficult for us to understand. A machine language , unlike other languages requires no translators or interpreters
Description : Assembly Language- 1) uses alphabetic codes in place of binary numbers used in machine language 2) is the easiest language to write programs 3) need not be translated into machine language
Last Answer : 1) uses alphabetic codes in place of binary numbers used in machine language
Description : Assembly Language 1 uses alphabetic codes in place of binary numbers used in machine language 2 is the easiest language to write programs 3 need not be translated into machine language 4 none of these
Last Answer : 1 uses alphabetic codes in place of binary numbers used in machine language
Description : Demodulation is the process of A. converting digital signals toanalog signals B. converting analogsignals todigital signals C. combining many low speed channels into onehigh speed channel D. dividing the high-speed signals into frequency bands E. None of the above
Last Answer : converting analogsignals todigital signals
Description : A technique used by codes to convert an analog signal into a digital bit stream is known as A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management
Last Answer : Answer : A
Description : Suicide Hackers are those _________ a) who break a system for some specific purpose with or without keeping in mind that they may suffer long term imprisonment due to their malicious activity ... digital footprints d) who are employed in an organization to do malicious activities on other firms
Last Answer : a) who break a system for some specific purpose with or without keeping in mind that they may suffer long term imprisonment due to their malicious activity
Description : In a DTMF phone, digits are represented by: (A) Orthogonal frequencies. (B) Orthogonal Phases. (C) Orthogonal codes. (D) Orthogonal pulses.
Last Answer : (A) Orthogonal frequencies.
Description : Which of the following is true? 1) Byte is a single digit in a binary number 2) Bit represents a grouping of digital numbers 3) Eight-digit binary number is called a byte 4) Eight-digit binary number is called a bit 5) None of these
Last Answer : Answer :3
Description : What are the computers called that performs calculations and comparisons usually in the binary numbering system? A) Analog Computers B) Digital Computers C) Hybrid Computers D) None of above
Description : The proper definition of a modern digital computer is A) An electronic automated machine that can solve problems involving words and numbers B) A more sophistic and modified electronic pocket calculator C) Any machine that can perform mathematical operations D) A machine that works on binary code
Description : Which is true for Digital Computer: a) It is less accurate than analog computer b) It is used primarily in scientific applications c) It represents the decimal numbers through a string of binary digits d) None of The Above
Last Answer : b) It is used primarily in scientific applications
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 : The data representation of CSG objects is represented by a.a binary tree b.a boolean operation c.a primitive d.none of the above
Last Answer : a.a binary tree
Description : The sinusoidal carrier is pulsed so that one of the binary states is represented by a carrier while the other is represented by its absence. A. FSK B. ASK C. PSK D. QAM
Last Answer : B. ASK
Description : For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. (A) Binary mixture is ... Ternary mixture is represented by the sides (D) Pure component is represented by the apex
Last Answer : (D) Pure component is represented by the apex
Description : 3 bit binary numbers can be represented by a. Binary number b. Decimal number Cc. Hexadecimal number d. Octal number
Last Answer : d. Octal number
Description : The computer that can input analog signals and return result in digital form A) Analog Computers B) Digital Computers C) Hybrid Computers D) Mainframe Computers
Last Answer : Answer : C
Description : Signals can be analog or digital and a computer that processes the both type of signals is known as A) Analog computer B) Digital Computer C) Hybrid Computer D) Mainframe Computer
Description : A modem- 1) Translates along Signals from a computer into digital Signals that can travel along conventional telephone lines 2) Translates digital Signals from a computer into analog Signals that can ... conventional telephone lines 3) Demodulates digital Signals from a computer. 4) None of these
Last Answer : 4) None of these
Description : The device that converts digital signals to analog signals at the start of long distance transmissions is (1) peripheral (2) modem (3) telephone (4) antenna
Last Answer : modem
Description : How many main sign number binary codes are used: a. 4 b 65 ce. 3 d. 6
Last Answer : ce. 3
Description : Which are the types of binary codes number: a. Sign magnitude b. —_1’s complement code c. 2’s complement code d. __ Allof these
Last Answer : c. 2’s complement code
Description : Which numbering formats are really codes rather than true number systems? 96) A) hexadecimal and octal B) binary and octal C) decimal and binary D) BCD and ASCII
Last Answer : Which numbering formats are really codes rather than true number systems?
Description : Computer instructions written with the use of English words instead of binary machine code is called a. Mnemonics b. Symbolic code c. Gray codes d. Opcode
Last Answer : b. Symbolic code
Description : State any four codes of signals in ranging with their meaning.
Last Answer : In guiding the assistant into line, the surveyor should use following code of signals. Sr. No. Signal by the Surveyor Action by the Assistant 1 Rapid sweeps i.e. up and down ... . 10 Both arms extended forward horizontally and then depressed. Fix the ranging rod.
Description : In data communication the transmission of binary signals will require _______. A. Same bandwidth as analog B. More bandwidth than analog C. Less bandwidth than analog D. Bigger cable diameter
Last Answer : B. More bandwidth than analog
Description : A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate? A. 3 Kbps B. 6 Kbps C. 12 Kbps D. 24 Kbps
Last Answer : 6 Kbps
Description : colors of the pixels in a digital image are often represented by red, green, and blue values between 0 and 255 (an RGB triplet). A photographer is manipulating a digital image ... using on the digital image? A. Lossless transformation B. Lossy transformation C. Multiband transformation
Last Answer : A. Lossless transformation
Description : Demodulation is aprocessof A. converting analog to digital signals B. converting digital to analogsignals C. multiplexing various signals intoone high speed line signals D. performing data description
Last Answer : converting analog to digital signals
Description : In Manchester encoding, does a low-to-high light level transition occurring in the middle of the bit duration represent a binary 1 or a binary 0?
Last Answer : Binary 0.
Description : Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes : (A) (a) and (b) (B) (c) and (d) (C) (a), (b) and (e) (D) None of the above
Last Answer : (D) None of the above
Description : Which are the system of arithmetic, which are often used in digital system: a. Binary digit b. Decimal digit c. Hexadecimal digit d. Octal digit e. Allof these
Last Answer : e. Allof these
Description : Compared to analog signals, digital signals A. allow faster transmission B. are moreaccurate C. both (a)and (b) D. All of theabove E. None of the above
Last Answer : both (a)and (b)
Description : Erratic operation of the devices represented in the diagrams shown in the illustration could be traced to ____________. EL-0092 A. improper contact at 'R' slip rings or 'S' connections B. a low three- ... . improper contact at 'S' slip rings or 'R' connections D. a high three-phase voltage supply
Last Answer : Answer: A
Description : The decomposition of A into B is represented by the exothermic reaction, A ⇌ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. (A) At high P and high T (B) At low P and high T (C) At low P and low T (D) At high P and low T
Last Answer : (C) At low P and low T
Description : In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = - 42 kcal; the forward reaction will be favoured by (A) Low temperature (B) High pressure (C) Both (A) and (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) and (B)
Description : Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by (A) Low temperature and high pressure (B) Low temperature and low pressure (C) High temperature and high pressure (D) High temperature and low pressure
Last Answer : (A) Low temperature and high pressure
Description : A technique used by codes to convert an analog signal into a digital bit stream is known as a. Pulse code modulation b. Pulse stretcher c. Query processing d. Queue management
Last Answer : a. Pulse code modulation