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 : 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 : 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 : Checksums use_________arithmetic. A) two's complement arithmetic B) one's complement arithmetic C) either (a)or (b) D) none of the above
Last Answer : one's complement arithmetic
Description : Which error detection method uses one's complement arithmetic? A. Simple parity check B. Two-dimensional parity check C. CRC D. Checksum
Last Answer : D. Checksum
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 : 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 : Which error detection method usesone's complement arithmetic? A) Simple parity check B) Two-dimensionalparity check C) CRC D) Checksum
Last Answer : Checksum
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 : 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 : When signed numbers are used in binary arithmetic, then which one of the following notations would have unique representation for zero. (A) Sign-magnitude. (B) 1’s complement. (C) 2’s complement. (D) 9’s complement.
Last Answer : (A) Sign-magnitude.
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 : Which are the types of addition in the 2’s complement system: a. Both number positive b. A Positive number and a smaller negative number c. Anegative number and a smaller positive number
Last Answer : b. A Positive number and a smaller negative number
Description : Which are the types of important ideas to notice about these odometer readings: a. The MSB is the sign bit .O for a +sign and 1 for a— sign b. The negative number represent the 2’s complement of the positive number c. Both d. __ Allof these
Last Answer : c. Both
Description : Which operations are used for addition, subtraction, increment, decrement and complement function: a. Bus b. Memory transfer c. Arithmetic operation d. Allof these
Last Answer : d. Allof these
Description : Which of the following is the most efficient to perform arithmetic operations on the numbers? (A) Sign-magnitude (B) 1’s complement (C) 2’s complement (D) 9’s complement
Last Answer : (C) 2’s complement
Description : SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000
Last Answer : 2000
Description : How many flip flop are required to store the binary value of 1101?
Last Answer : What is the answer ?
Description : In_______encoding, we use three levels: positive, zero, and negative. A) unipolar B) bipolar C) polar D) none of the above
Last Answer : bipolar
Description : Which encoding method uses alternating positive and negative values for1s? A) NRZ-I B) RZ C) Manchester D) AMI
Last Answer : AMI
Description : Actual data processing operations are performed in the arithmetic logic section, but not in the “. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary
Last Answer : Primary
Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above
Last Answer : Either of the above
Description : The central processing unit (CPU) consists of a. Input, output and processing b. Control unit, primary storage, and secondary storage c. Control unit, arithmetic-logic unit and primary storage d. Control unit, processing, and primary storage
Last Answer : Control unit, arithmetic-logic unit and primary storage
Description : The first machine to successfully perform a long series of arithmetic and logical operations was; a. ENIAC b. Mark I c. Analytic engine d. UNIVAC-I
Last Answer : Mark
Description : Which was the computer conceived by Babbage? a. Analytical Engine b. Arithmetic Machine c. Donald Kunth d. All of above
Last Answer : Analytical Engine
Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above d. None of above
Last Answer : Arithmetic and Logic Unit
Description : The brain of any computer system is a. Control Unit b. Arithmetic Logic Unit c. Central Processing Unit d. Storage Unit
Last Answer : Central Processing Unit
Description : Central Processing Unit is combination of a. Control and storage b. Control and output unit c. Arithmetic logic and input unit d. Arithmetic logic and control unit
Last Answer : Arithmetic logic and control unit
Description : ALU is a. Arithmetic Logic Unit b. Array Logic Unit c. Application Logic Unit d. None of above
Last Answer : Arithmetic Logic Unit
Description : In modulo-2 arithmetic, we use only ______. A) 1and 2 B) 0and 2 C) 0and 1 D) none of the above
Last Answer : 0and 1
Description : In modulo-11 arithmetic, we use only the integers inthe range ______, inclusive. A) 1to 10 B) 1to 11 C) 0to 10 D) none of the above
Last Answer : 0to 10
Description : In modulo-2 arithmetic, we use the______ operationfor bothaddition and subtraction. A) XOR B) OR C) AND D) none of the above
Last Answer : XOR
Description : In modulo-2 arithmetic, __________give the sameresults. A) addition and multiplication B) addition and division C) addition and subtraction D) none of the above
Last Answer : addition and subtractio
Description : ________ bind to_________ on microbial invaders. a. Toll-like receptors; PAM Ps b. Mast cells; histamine c. Toll-like receptors; complement d. Macrophages; defensins
Last Answer : a. Toll-like receptors; PAM Ps
Description : When Using the Allocation Rules Engine (ARE) function how can you ensure that all transactions for ABC Office Supplies are divided evenly between cost center 1111 and cost center 2222?
Last Answer : Need answer
Description : Which of the following is not a binary number? a) 1111 b) 101 c) 11E d) 000
Last Answer : Answer: c Explanation: A binary number can have only two possible digits, 0 and 1. In the third option, there is an alphabet E present which makes it an invalid binary number. Alphabets are only allowed in hexadecimal number system
Description : The input hexadecimal representation of 1110 is _______________ a) 0111 b) E c) 15 d) 14
Last Answer : Answer: b Explanation: In hexadecimal number system, 1110 = 15, which is represented by the alphabet E. Some representations are: A 10 B 11 C 12 D 13 E 14 F 15
Description : Which code the decimal digits are represented by the 8421 BCD code preceded by 1111: a. ASCII b. EBCDIC c. Both d. None of these
Last Answer : b. EBCDIC
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 : 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 : Assume that variable x resides at memory location 1234, y at 1111 and p at 2222. Int x=1, y=2, *p; p=&x; y=*p; What will be the value of y after execution of above code? A) 2 B) 1 C) 1234 D) 1111
Last Answer : C) 1234
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 : Decimal equivalent of binary 1111 1111 1111 1111 is • 16,384 • 65,536 • 1000000 • None of the above.
Last Answer : Decimal equivalent of binary 1111 1111 1111 1111 is 65,536
Last Answer : The value of the binary 1111 is 24 – 1
Description : Semi-conductors have ________ temperature coefficient of resistance. (A) Negative (B) Positive (C) Both positive and negative (D) None of the above
Last Answer : (A) Negative
Description : ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above
Last Answer : A. Accumulator
Description : 8085 microprocessor has ________ individual flags during arithmetic and logic operations.
Last Answer : 8085 microprocessor has 5 individual flags during arithmetic and logic operations.
Description : In a telephone system, the customer’s telephone directory numbering is from 000 to 999, what is the capacity of the system? A. 1000 lines B. 100,000 lines C. 10,000 lines D. 100 lines
Last Answer : A. 1000 lines