1. __________________ is a straightforward method of representing positive and negative numbers
A. Radix
B. Complement
C. Sign Magnitude
D. Encode
Answer = Sign Magnitude
2. The additive inverse of a number is the number which when added to the original number gives 1 as a result.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = False
3. The 1’s complement of 1 in 4 bits is __________.
A. 1.
B. 0.
C. 1001.
D. 1110.
Answer = 1110
4. The binary number 111 in its 2’s complement form is ____________.
A. 10.
B. 1.
C. 0.
D. 111.
Answer = 1
5. The sign magnitude representation of -9 is ___________.
A. 1001.
B. 11111001.
C. 10001001.
D. 11001.
Answer = 10001001
6. If you are given a word of size n bits, the range of 2’s complement of binary numbers is ________.
A. -2n+1 to +2n+1.
B. -2n-1 to +2n-1.
C. -2n-1 to +2n+1.
D. -2n-1 to +2n-1-1.
Answer = -2n-1 to +2n-1-1
7. In both signed magnitude and 2’s complement , positive and negative numbers are separated using ______________.
A. LSB.
B. MSB.
C. 0.
D. 1.
Answer = MSB
8. Single Precision format comprises of _________ bits
A. 4.
B. 8.
C. 16.
D. 32.
Answer = 32
9. If m is the 2’s complement and n is the binary number, then ______________.
A. m=n’.
B. m=n’+1.
C. m=n’-1.
D. m=n
Answer = m=n’+1
10. The possible number of bit patterns with 8 bits ________________.
A. 128.
B. 8.
C. 24.
D. 256.
Answer = 256
11. Which of the following is used for binary multiplication.
A. Restoring Multiplication
B. Booth’s Algorithm
C. Pascal’s Rule
D. Digit-by-digit multiplication
Answer = Booth’s Algorithm
12. One extra bit is added on the left of a binary number, in case of Binary Multiplication using Booth’s Algorithm.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
13. The binary number obtained after applying RSC on 11010 will be ___________.
A. 11101.
B. 10100.
C. 1101.
D. 1000.
Answer = 1101
14. The result of >> of 11001 by 3-bits will be ______________.
A. 1000.
B. 1111.
C. 11.
D. 11111.
Answer = 1000
15. Booth’s Algorithm is applied on _____________.
A. decimal numbers
B. binary numbers
C. hexadecimal numbers
D. octal Numbers
Answer = binary numbers
16. If Booth’s Multiplication is performed on the numbers 22*3, then what is 3 referred to as __________.
A. accumulator
B. multiplicand
C. quotient
D. multiplier
Answer = multiplier
17. What is the default value of accumulator in booth’s multiplication of two 4-bit binary numbers.
A. 0.
B. 1.
C. 0.
D. 0.
Answer = 0
18. What is the value of n in multiplication of 110* 1000.
A. 2.
B. 3.
C. 4.
D. 0.
Answer = 4
19. What will be the value obtained after multiplication of (-2) * (-3) using Booth’s Algorithm.
A. 6.
B. -6.
C. -2.
D. -3.
Answer = 6
20. What does the data transfer instruction STA stand for.
A. Store Accumulator
B. Send Accumulator
C. Send Action
D. Store Action
Answer = Store Accumulator
21. Perform binary addition of 1101 + 0010 is ________.
A. 1110.
B. 1111.
C. 111.
D. 11101.
Answer = 1111
22. The addition 1+1 gives 0 as a result.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
23. The result of 0*1 in binary is ____________.
A. 0.
B. 1.
C. invalid
D. 10.
Answer = 0
24. The multiplication of 110 * 111 is performed What is a general term used for 111.
A. Dividend
B. Quotient
C. Multiplicand
D. Multiplier
Answer = Multiplier
25. The result obtained on binary multiplication of 1010 * 1100 is _____________.
A. 1111.
B. 11111.
C. 1111100.
D. 1111000.
Answer = 1111000
26. Which of the following is often called the double precision format.
A. 64-bit
B. 8-bit
C. 32-bit
D. 128-bit
Answer = 64-bit
27. What do you call the intermediate terms in binary multiplication.
A. Multipliers
B. Mid terms
C. Partial Products
D. Multiplicands
Answer = Partial Products
28. The result that is smaller than the smallest number obtained is referred to as ___________.
A. NaN.
B. Underflow
C. Smallest
D. Mantissa
Answer = Underflow
29. The number of sign bits in a 32-bit IEEE format is _______.
A. 1.
B. 11.
C. 9.
D. 23.
Answer = 1
30. Express the decimal format of the signed binary number (101010)2 ..
A. 10.
B. 12.
C. -12.
D. -10.
Answer = -10
31. Binary addition of 1 + 1 gives the result _____________.
A. 0.
B. 1.
C. 2.
D. 10.
Answer = 0
32. 4-bit is a valid IEEE- format.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = None of the mentioned
33. The result of 0 – 1 in binary is ______________.
A. 0.
B. 1.
C. 11.
D. 10.
Answer = 1
34. The complement of any number can be given by a general term _______________.
A. Bn – 1 – N.
B. Bn -1 + N.
C. Bn +1 – N.
D. Bn +1 + N.
Answer = Bn – 1 – N
35. The IEEE standard followed by almost all the computers for floating point arithmetic _____.
A. IEEE 260.
B. IEEE 488.
C. IEEE 754.
D. IEEE 610.
Answer = IEEE 754
36. Which of the following is often called the double precision format.
A. 64-bit
B. 8-bit
C. 32-bit
D. 128-bit
Answer = 64-bit
37. What is NaN in IEEE standards.
A. Not arithmetic
B. Not a negation
C. Not a number
D. Not a Node
Answer = Not a number
38. The result that is smaller than the smallest number obtained is referred to as ___________.
A. NaN.
B. Underflow
C. Smallest
D. Mantissa
Answer = Underflow
39. The number of sign bits in a 32-bit IEEE format _________.
A. 1.
B. 11.
C. 9.
D. 23.
Answer = 1
40. Express the decimal format of the signed binary number (101010)2 ..
A. 10.
B. 12.
C. -12.
D. -10.
Answer = -10
41. What is the 1’s complement of 11010.
A. 11010.
B. 11011.
C. 110.
D. 101.
Answer = 101
42. 2’s complement is obtained by adding 1 to 1’s complement of a number.
A. True
B. False
C. Nothing Can be said
D. None of the mentioned
Answer = True
43. The 10’s complement of 562 is __________.
A. 4.
B. 3.
C. 7.
D. 8.
Answer = 3
44. The 9’s complement of 6578 is ___________.
A. 1234.
B. 3421.
C. 3124.
D. 3420.
Answer = 3421
45. >> operator is used to denote _________.
A. left shift
B. right shift
C. greater than
D. less than
Answer = right shift
46. The subtraction using 1’s complement of 110 – 100 will give the result ___________.
A. -11.
B. 11.
C. 10.
D. -10.
Answer = 10
47. The result obtained on subtraction using 2’s complement of 1111-0010 will be _________.
A. 11101.
B. 11011.
C. 1101.
D. 1011.
Answer = 1101
48. Since carry is generated, it is discarded and the answer is positive.
A. The 1’s complement of 1111111110.101 is _______________.
B. 1.01.
C. 0.01.
D. 1111111110.101.
Answer = The 1’s complement of 1111111110.101 is _______________
49. 7’s complement of 432 is _________________.
A. 432.
B. 543.
C. 345.
D. 777.
Answer = 345
50. The 16’s complement of 74E will be __________.
A. 8B2.
B. F8B2.
C. 2B8.
D. 8C2.
Answer = F8B2