Explore topic-wise MCQs in Arithmetic Ability.

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