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This section includes 653 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.
51. |
Finite state machine can recognize |
A. | only context-free grammar |
B. | any grammar |
C. | only regular gramma |
D. | Both ( and ( |
Answer» D. Both ( and ( | |
52. |
During DMA acknowledgement cycle, CPU relinquishes |
A. | Address bus & control bus |
B. | Address bus only |
C. | Data bus & address bus |
D. | Control bus & data bus |
Answer» D. Control bus & data bus | |
53. |
Odd parity of word can beconveniently tested by |
A. | AND gate |
B. | OR gate |
C. | XOR gate |
D. | NOR gate |
Answer» D. NOR gate | |
54. |
The word \'formal\' in formal languages means |
A. | they are unnecessary, in reality |
B. | the symbols used have well-defined meaning |
C. | Both ( and ( |
D. | only form of the string of symbols is significant |
Answer» E. | |
55. |
Simplified form of the boolean expression (X Y XY) (X Z) is |
A. | XY YZ |
B. | X Y Z |
C. | XZ Y |
D. | X YZ |
Answer» E. | |
56. |
The Newton-Raphson method of finding roots of nonlinear equations falls under the category of _____________ methods. |
A. | open |
B. | bracketing |
C. | graphical |
D. | random |
Answer» B. bracketing | |
57. |
A comparison between serial and parallel adder reveals that serial order |
A. | is faster |
B. | is slower |
C. | is more complicated |
D. | operates at the same speed as parallel adder |
Answer» C. is more complicated | |
58. |
Which of the following uses overflow pages? |
A. | B trees |
B. | B trees |
C. | none |
D. | ISAM trees |
Answer» E. | |
59. |
A Program Counter contains a number 825 and address part of the instruction containsthe number 24. The effective address in the relative address mode, when an instructionis read from the memory is |
A. | 850 |
B. | 849 |
C. | 802 |
D. | 801 |
Answer» B. 849 | |
60. |
If (G, .) is a group such that (ab)- 1 = b-1 a-1, ∀ a, b ∈ G, then G is a/an |
A. | abelian group |
B. | commutative semi group |
C. | None of these |
D. | non-abelian group |
Answer» E. | |
61. |
The protocol data unit(PDU) for the application layer in the Internet stack is |
A. | Datagram |
B. | Segment |
C. | Frame |
D. | Message |
Answer» E. | |
62. |
If the binary operation * is deined on a set of ordered pairs of real numbers as(a, b) * (c, d) = (ad bc, bd)and is associative, then(1, 2) * (3, 5) * (3, 4) equals |
A. | (32,40) |
B. | (74,40) |
C. | (7,11) |
D. | (23,11) |
Answer» C. (7,11) | |
63. |
By an intranet we mean |
A. | a Wide Area Network connecting all branches of an organization |
B. | a LAN of an organization |
C. | a network connecting all computers of an organization and using the internet protocol |
D. | a corporate computer network |
Answer» D. a corporate computer network | |
64. |
In Boolean expression A BC equals |
A. | (A' B)(A' C) |
B. | (A B)(A C) |
C. | (A B)C |
D. | (A B)(A' C) |
Answer» C. (A B)C | |
65. |
A register capable of shifting its binary information either to the right or the left iscalled a |
A. | serial register |
B. | parallel register. |
C. | storage register. |
D. | shift register. |
Answer» E. | |
66. |
4 men and 6 women working together can do five times as much work as a man and a woman. Working capacities of a man and a woman are in the ratio : |
A. | 0.0423611111111111 |
B. | 0.0840277777777778 |
C. | 0.04375 |
D. | 0.0430555555555556 |
Answer» B. 0.0840277777777778 | |
67. |
The state of the process during context – switching is |
A. | may be idle |
B. | may be busy |
C. | always busy |
D. | always idle |
Answer» E. | |
68. |
A stack organized computer has |
A. | Two-address Instruction. |
B. | Three-address Instruction. |
C. | Zero-address Instruction. |
D. | One-address Instruction. |
Answer» D. One-address Instruction. | |
69. |
The function of a multiplexer is |
A. | to select 1 out of N input data sources and to transmit it to single channel |
B. | to decode information |
C. | to perform serial to parallel conversion |
D. | to transit data on N lines |
Answer» B. to decode information | |
70. |
What is the minimum number of 2 input NAND gates required to implement the functionF = (x\' y\') (z w) |
A. | 5 |
B. | 6 |
C. | 3 |
D. | 4 |
Answer» E. | |
71. |
Cycle stealing technique is used in |
A. | Polled mode data transfer |
B. | Interrupt based data transfer |
C. | None of above |
D. | DMA based data transfer |
Answer» E. | |
72. |
If for a ? N, aN = {ax: x ? N}, then the set 6 N ? 8 N is equal to |
A. | 48 N |
B. | 8 N |
C. | 24 N |
D. | 12 N |
Answer» D. 12 N | |
73. |
The set of integers Z with the binary operation \"*\" defined as a*b =a b 1 for a, b ∈ Z, is a group. The identity element of this group is |
A. | 1 |
B. | 0 |
C. | 12 |
D. | -1 |
Answer» E. | |
74. |
12 men can do a piece of work in 16 days. After six days three more men join them. Then in how many days will the remaining work be finished? |
A. | 8 days |
B. | 14 days |
C. | 12 days |
D. | 10 days |
Answer» B. 14 days | |
75. |
A PDM behaves like an FSM wnen the number of auxiliary memory it has, is |
A. | 1 |
B. | 0 |
C. | None of above |
D. | 2 |
Answer» D. 2 | |
76. |
How many nodes in a tree have no ancestors. |
A. | 1 |
B. | 0 |
C. | n |
D. | 2 |
Answer» B. 0 | |
77. |
How many 256 x 4 RAM chips are needed to organize a memory of capacity 32 KB? |
A. | 256 |
B. | 128 |
C. | 32 |
D. | 512 |
Answer» B. 128 | |
78. |
SIMD represents an organization that ______________. |
A. | represents organization of single computer containing a control unit, processor unit and a memory unit. |
B. | refers to a computer system capable of processing several programs at the same time. |
C. | none of the above. |
D. | includes many processing units under the supervision of a common control unit |
Answer» E. | |
79. |
. If w ∈ (a, b)* satisfy abw = wab, then (w) is___________ |
A. | odd |
B. | even |
C. | none of these |
Answer» C. none of these | |
80. |
The next iterative value of the root of 042=−xusing the Newton-Raphson method, if the initial guess is 3, is |
A. | 2.067 |
B. | 1.5 |
C. | 3 |
D. | 2.167 |
Answer» E. | |
81. |
In which of the following no information hiding is done ? |
A. | run test, prog |
B. | compile prog 1, prog 2 |
C. | 1001000010101 |
D. | load R1 , A |
Answer» D. load R1 , A | |
82. |
Disadvantage of \" Compile and GO \" loading scheme is that |
A. | it is necessary to retranslate the users program and check everytime it is run |
B. | a portion of memory is wasted because the case occupied by the assembler is unavailable to the object program |
C. | all of these |
D. | it is very difficult to handle multiple segments, especially if the source programs are in different languages and to produce orderly modular programs |
Answer» D. it is very difficult to handle multiple segments, especially if the source programs are in different languages and to produce orderly modular programs | |
83. |
The average time required to reach a storage location in memory and obtain its contentsis called |
A. | Access time. |
B. | Latency time. |
C. | Response time. |
D. | Turnaround time. |
Answer» B. Latency time. | |
84. |
The time required to delete a node x from a doubly linked list having n nodes is |
A. | O (log n) |
B. | O (n) |
C. | O (n log n) |
D. | O (1) |
Answer» E. | |
85. |
. In _________ Index every path is of same length |
A. | sparse |
B. | dense |
C. | B tree |
D. | B tree |
Answer» E. | |
86. |
A file manipulation command that extracts some of the records from a file is called |
A. | PROJECT |
B. | SELECT |
C. | PRODUCT |
D. | JOIN |
Answer» C. PRODUCT | |
87. |
In E-R Diagram relationship type is represented by |
A. | Dashed ellipse |
B. | Ellipse |
C. | Diamond |
D. | Rectangle |
Answer» D. Rectangle | |
88. |
___________ is a technique of improving the priority of process waiting in Queuefor CPU allocation |
A. | Ageing |
B. | Starvation |
C. | Relocation |
D. | Revocation |
Answer» B. Starvation | |
89. |
If every element of a group G is its own inverse, then G is |
A. | infinite |
B. | finite |
C. | abelian 133. |
D. | cyclic |
Answer» D. cyclic | |
90. |
An algorithm is made up of two independent time complexities f (n) and g (n). Then thecomplexities of the algorithm is in the order of |
A. | Max ( f(n),g(n)) |
B. | f(n) x g(n) |
C. | f(n) g(n) |
D. | Min (f(n),g(n)) |
Answer» B. f(n) x g(n) | |
91. |
Internet data is broken up as |
A. | variable length packets |
B. | fixed length packets |
C. | 64 bytes packets |
D. | not packetized |
Answer» B. fixed length packets | |
92. |
Let G denoted the set of all n x n non-singular matrices with rational numbers as entries. Then under multiplication G is a/an |
A. | finite abelian group |
B. | subgroup |
C. | ininite, abelian |
D. | infinite, non abelian group |
Answer» E. | |
93. |
Which of the following operations may block the running process? |
A. | read() |
B. | fork |
C. | all of the above |
D. | down() |
Answer» D. down() | |
94. |
PAL circuit consists of |
A. | Programmable OR & Fixed AND Logic |
B. | Fixed OR & programmable AND logic |
C. | Programmable OR & programmable AND logic |
D. | Fixed OR & fixed AND logic |
Answer» C. Programmable OR & programmable AND logic | |
95. |
A language L is accepted by a finite automaton if and only if it is |
A. | context-sensitive |
B. | context - free |
C. | Right-linear |
D. | recursive |
Answer» D. recursive | |
96. |
Water is dropping out of 3 taps, once in 5 seconds, 10 seconds and 12 seconds respectively. Find out how many times will they drop together in 5 hours? |
A. | 1800 |
B. | 300 |
C. | 900 |
D. | 600 |
Answer» C. 900 | |
97. |
The number of rows in a table is known as |
A. | tuple |
B. | attribute |
C. | doesn’t describe any thing |
D. | cardinality |
Answer» E. | |
98. |
Given three data points (1,6), (3,28), and (10, 231), it is found that the function 13 passes through the three data points. Your estimate of y at y=2x2 3x 1 is most nearly |
A. | 15 |
B. | 6 |
C. | 28 |
D. | 17 |
Answer» E. | |
99. |
Polynomials are the most commonly used functions for interpolation because they are easy to |
A. | differentiate |
B. | evaluate |
C. | evaluate, differentiate and integrate |
D. | integrate |
Answer» D. integrate | |
100. |
A takes 3 days and B 2 days. Both worked together and finished the work, and got Rs.150. What is the share of A ? |
A. | Rs.90 |
B. | Rs.60 |
C. | Rs.80 |
D. | Rs.50 |
Answer» C. Rs.80 | |