Instructions and memory address are represented by A) Character code B) Binary codes C) Binary word D) Parity bit

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Answer : B

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Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit

Last Answer : Binary codes

Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit

Last Answer : b. Binary codes

Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit

Last Answer : b. Binary 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

Last Answer : Answer : B

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 : 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 : ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for? A) Extended Binary Coded Decimal Interchange Code B) Extended Bit Code Decimal Interchange Code C) Extended Bit Case Decimal Interchange Code D) Extended Binary Case Decimal Interchange Code

Last Answer : Answer : A

Description : The digital signals can be represented by: a) Binary Codes b) 0 and 1 c) High and Low d) All of The Above e) None of The Above

Last Answer : d) All of The Above

Description : Given code word 1110001010 is to be transmitted with even parity check bit. The encoded word to be transmitted for this code is (A) 11100010101 (B) 11100010100 (C) 1110001010 (D) 111000101

Last Answer : (A) 11100010101 

Description : __is divided into a number of fields and is represented as a sequence of bits: a. instruction b. — instruction set c. instruction code d. parity code

Last Answer : a. instruction

Description : What is used to identify whether a data word has an odd or even number of 1’s ? (1) Carry bit (2) Sign bit (3) Zero bit (4) Parity bit

Last Answer : Parity bit

Description : 170. A character is represented in EBCDIC by: a) One bit b) Four bits c) Eight bits d) None of The Above

Last Answer : c) Eight bits

Description : A character of information is represented by a(n)- 1) Byte 2) Bit 3) Field 4) None of these

Last Answer : 1) Byte

Description : Each check bit is grouped with the information bits as specified by a__ a. Parity check code b. Parity check matrix c. Parity check bit d. All of these

Last Answer : b. Parity check matrix

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 : 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 : Which of the following is associated with error detector? A) Odd parity bit B) Even parity bit C) Both of the above D) None of above

Last Answer : Answer : C

Description : Which flag indicates the number of 1 bit that results from an operation? a) Zero b) Parity c) Auxiliary d) Carry

Last Answer : Answer: b Explanation: The parity flag indicates the number of 1 bits in any operation. The resultant bit is called the parity bit. The main aim of the parity bit is to check for errors

Description : Which register keeps tracks of the instructions in the program stored in memory? A. Address Register B. Index Register C. Program Counter D. None of the Above

Last Answer : C. Program Counter

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Last Answer : d. Octal number

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 : EBCDIC stands for A) Extended Binary Coded Decimal Interchange Code B) Extended Bit Code Decimal Interchange Code C) Extended Bit Case Decimal Interchange Code D) Extended Binary Case Decimal Interchange Code

Last Answer : Answer : A

Description : A characteristic of the ASCII code is 1) its limitation to a maximum of 96 character configuration 2) its use of the zone codes 1010, 1011 and 1100 3) its independence from Hollerith code 4) All of these

Last Answer : 3) its independence from Hollerith code

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Description : In OCR processing, When a character is recognized, it is converted into_______ code. A. binary B. ASCII C. Both (A) and (B) D. None of the Above

Last Answer : B. ASCII

Description : Mnemonic refers to. a Instructions b. Code c. Symbolic codes d Assembler

Last Answer : c. Symbolic codes

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Last Answer : b. Error detecting codes

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Last Answer : A. agreed upon in advance between sender and receiver

Description : A DMA controller transfers 32-bit words to memory using cycle Stealing. The words are assembled from a device that transmits characters at a rate of 4800 characters per second. The CPU is fetching and executing instructions at an average ... of the DMA transfer? (A) 0.06% (B) 0.12% (C) 1.2% (D) 2.5%

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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

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Last Answer : Correct answer: A, B &C

Description : The language made up of binary coded instructions. a) Machine b) C c) BASIC d) High level

Last Answer : Answer: a Explanation: The language made up of binary coded instructions built into the hardware of a particular computer and used directly by the computer is machine language

Description : Which of the following is associated with error detector? a. Odd parity bit b. Even parity bit c. Both of the above d. None of above

Last Answer : Both of the above

Description : Which error detection method consists of just one redundant bit per data unit? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum

Last Answer : Simple parity check

Description : How many 8-bit characters can be transmitted per second over a 9600 baud serial communication link using asynchronous mode of transmission with one start bit, eight data bits, two stop bits, and one parity bit ? a. 600 b. 800 c. 876 d. 1200

Last Answer : b. 800

Description : How many characters per sec (7 bits + 1 parity ) can be transmitted over a 2400 bps line if the transfer is synchronous (1 start and 1 stop bit)?

Last Answer : 1. 300 2. 240 3. 250 4. 275 Ans- 2400/(7+1+2) 240

Description : How is the parity bit in each storage location used?

Last Answer : To detect errors in the circuitry.

Description : Which of the following is associated with error detector? a. Odd parity bit b. Even parity bit c. Both of the above d. None of above

Last Answer : c. Both of the above

Description : Parity bit check is used to

Last Answer : Parity bit check is used to Detect 1 bit error

Description : Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is

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Last Answer : Answer: b Explanation: Representation of algorithms: -As programs -As flowcharts -As pseudo codes

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Last Answer : The program counter.

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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

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

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

Description : A computer language that is written in binary codes only is _____ a) machine language b) C c) C# d) pascal

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Last Answer : 1) uses alphabetic codes in place of binary numbers used in machine language