| Post Name | Junior Systems Officer - Kerala Co-operative Milk Marketing Federation Ltd |
|---|---|
| Question Paper Code | 018/2024 |
| Category Code | 690/2022 |
| Date of Test | 31 January 2024 |
| Medium of Question | ENGLISH |
| Exam Type | OMR Examination |
| Total Questions | 100 |
1
If for any 2 × 2 square matrix A , A
Answer
C. 8
2
The number of possible matrices of order 3 × 3 with each entry 0 or 1 is :
Answer
D. 512
3
The conjugate of i 9 + i18 is :
Answer
B. –1 – i
4
is :
Answer
B. 212
5
The multiplicative inverse of 3 + 4i is :
3 − 4i 3 + 4i
Answer
A. — B 2
6
What is the centre of the circle 3x² + 3y² − 12x + 15y + 7 = 0?
Answer
C. (2, −5/2)
7
The equation in cylindrical coordinates is r² cos 2θ = z. The equation in rectangular coordinates is:
Answer
B. x² − y² = z
8
limₓ→₀ x ln x =
Answer
D. not defined
9
A missile is fired from the ground level and rises x metre vertically upwards in t seconds, where x = 100t − (25/2)t². The maximum height reached is:
Answer
A. 200 m
10
The order and degree of the differential equation 1 + =7 is :
dx dx 2
Answer
A. 2, 3
11
The solution of the equation dy/dx + y tan x = sec x is:
Answer
B. y = sin x + C cos x
12
If P (1, 2, 3) and Q (2, 4, 5) are two points, the magnitude of the vector PQ is :
Answer
A. 3
13
The vector field F = (x² − yz)î + (y² − xz)ĵ + (z² − xy)k̂ is:
Answer
B. irrotational
14
The number of ideals in the ring Z60 :
Answer
C. 12
15
Let G be an abelian group and E is a subgroup of G , then :
Answer
B. E must be normal in G
16
A cyclist pedals from his house to his college at a speed of 10 km/hr and back from the college
to his house at a speed of 15 km/hr. Find the average speed.
Answer
B. 12
17
Coefficient of variation is :
Standard Deviation Arithmetic Mean
Answer
A. * 100
18
If the regression coefficient of X on Y and Y on X are 0.9 and 0.4 respectively, then the
correlation coefficient between X and Y is :
Answer
B. 0.6
19
A letter of the English alphabet is chosen at random. Calculate the probability that the letter
so chosen is a vowel :
21 12
Answer
C. y
20
Events A and B are said to be independent if :
Answer
B. P(A ∩ B) = P(A) × P(B)
21
Which of the following distribution has equal mean and variance?
Answer
B. Poisson
22
If X is a random variable, then which one is the correct expression for V
Answer
B. :
23
Find the mode of the Binomial distribution for which mean is 4 and variance is 3.
Answer
C. 4
24
If X1 , X 2 ,..., X n are n independent N
Answer
C. N
25
An unbiased estimate of population variance σ 2 is :
n 2
Answer
B. s
n −1
n −1 2
26
Which of the following is not a sufficient condition for a random variable to be a consistent estimate of θ?
Answer
D. V(tₙ) → ∞
27
Power of a statistical test is :
Answer
B. P(Reject H₀ / H₀ false)
28
If Xᵢ, i = 1, 2, 3, …, 16 are independent random variables following normal distribution N(5,1), then the variance of sample mean is:
Answer
C. 1/16
29
Whether a test is one sided or two sided depends on :
Answer
B. Alternative Hypothesis
30
A sample of 15 specimen taken from a normal population with mean value 51. The sample
has a mean 62 with a variance of 25. To test H 0 : μ = 51 against H1 : μ ≠ 51, you will use :
Answer
C. t - test
31
Ratio of tensile stress to tensile strain of a material is called :
Answer
A. Young’s modulus
32
Which of following is/are the application of Bernoulli’s theorem?
(i) spray bottle
(ii) spinning of ball
(iii) venturi meter
(iv) pyrometer
Answer
C. (i), (ii) and (iii) are correct
33
Excess pressure inside a soap bubble of radius 1 cm is (surface tension = 25 × 10⁻³ N/m):
Answer
D. 10 Pa
34
Water is flowing through a horizontal tube of non-uniform cross section, at a place of the tube
the radius is 1.0 cm, velocity of water is 2 m/s. What will be the velocity of flow at radius is
2.0 cm?
Answer
B. 0.5 m/s
35
Thermal radiation is :
(i) electromagnetic
(ii) travels with a speed of light
(iii) wavelength in ultraviolet region
Answer
A. (i) and (ii) are correct
36
For adiabatic process first law of thermodynamics as :
Answer
D. ΔU = –W
37
Efficiency of Carnot’s engine working between 127 °C and 27 ºC is :
Answer
C. 25%
38
Interference of two coherent sources on a screen, if path difference at a point is 3λ ,
where λ is the wavelength then intensity and phase difference at that point are :
Answer
B. bright and 6 π
39
He-Ne laser is :
Answer
A. Gas laser
40
An Optical fibre with refractive index of core and cladding are 1.55 and 1.50 respectively,
numerical aperture of the fibre is nearly :
Answer
D. 0.40
41
In Hydrogen spectra, wavelength of Hβ (H-beta) line in balmer series (R is Rydberg
constant) :
2 4
Answer
C. 3R
42
Incident light of energy 3 eV falls on a photosensitive material of work function 2 eV,
maximum kinetic energy of electron emitted is :
Answer
D. 1.6 × 10 −19 J
43
Atom bomb is based on the principle of :
Answer
A. Nuclear fission
44
Lattice parameter of crystal is a ≠ b ≠ c and α = β = γ = 90º corresponds to
Answer
D. Orthorhombic
45
Interplanar distance between (1 2 2) plane in simple cubic lattice having lattice parameter a = 6.3 Å:
Answer
A. 2.1 Å
46
What is the primary difference between accounting and book keeping?
Answer
B. Book keeping focuses on day-to-day recording, while accounting involves
interpreting financial data
47
What is the purpose of a trial balance?
Answer
D. To verify the accuracy of debit and credit entries in the ledger
48
What does the debt-to-equity ratio indicate?
Answer
B. The extent of a company’s leverage
49
What does the term “horizontal analysis” refer to in financial statement analysis?
Answer
A. Comparing financial data over different time periods
50
When are revenues recognized under the accrual basis of accounting?
Answer
C. When they are earned
51
What is the primary principle of sound lending for banks?
Answer
D. Minimizing credit risk while maximizing profits
52
What distinguishes cash credit from other types of lending?
Answer
A. Flexible withdrawal limits
53
Which mode of charging security allows the lender to hold possession of the asset until the
borrower repays the loan?
Answer
D. Pledge
54
What characterizes a standard asset in banking?
Answer
B. Timely payment of dues
55
What does a higher provision for bad and doubtful assets indicate for a bank?
Answer
C. Potential financial stress due to NPAs
56
Which document outlines the rules and regulations governing a cooperative society’s internal
functioning?
Answer
C. Bye-laws
57
Which authority has the power to dissolve a cooperative society?
Answer
D. Registrar of Cooperative Societies
58
What is the primary aim of the principle of autonomy and independence in cooperative
societies?
Answer
A. Ensuring self-reliance and freedom
59
How are funds from a reserve fund primarily utilized by a cooperative society?
Answer
C. Expansion projects
60
What is the maximum number of directors required for the management of a cooperative
society?
Answer
C. 21
61
Which of the following is not a type modifier in C?
Answer
Question Cancelled
62
Which function is appropriate to accept a line of text in C?
Answer
D. gets( )
018/2024 12 A
63
Arrays are stored in :
Answer
A. Contiguous memory locations
64
In an array x, &x[0] denotes the
Answer
D. Base address of the array
65
If p is an integer pointer variable and if p = 4046, then p++ returns
Answer
Question Cancelled
66
Stack works on the principle of :
Answer
A. LIFO
67
The data structure used during a function call is :
Answer
B. Stack
68
A linked list in which last node points to the beginning of the list is :
Answer
A. Circular linked list
69
Algorithm used to find Minimum cost spanning tree is :
Answer
C. Either
70
For an AVL tree, the balance factor of each node is :
Answer
D. Any of the above
A 13 018/2024
71
The main characteristic of second-generation computers is :
Answer
A. Transistors
72
Small, fast and expensive memory that stores data that are accessed frequently :
Answer
B. Cache memory
73
Which among the following is not a pointing device?
Answer
D. Keyboard
74
OMR stands for :
Answer
C. Optical Mark Recognition
75
An example for an impact printer is :
Answer
D. Either
76
Which is volatile?
Answer
C. RAM
77
The concentric circles of magnetic disks are :
Answer
A. Tracks
78
Which is the medium used in optical storage systems for reading and recording data?
Answer
B. Laser light
79
Which of the following is known as mid-range computer?
Answer
B. Mini computer
80
A memory often referred to as ‘‘imaginary memory’’ is :
Answer
D. Virtual memory
81
What role does the Dispatcher play in a multi-programming environment?
Answer
B. Switching control from one process to another
82
Which issue is addressed by the concept of ‘Admission Control’ in scheduling algorithms?
Answer
D. Ensuring that the system does not accept more processes than it can handle
83
What does the term ‘‘Race Condition’’ mean in the context of thread synchronization?
Answer
A. A situation where two or more threads access shared data concurrently without
proper synchronization
84
Three CPU-intensive processes have respective burst times of 5, 12 and 22 time units. They
arrive at times 0, 4 and 9 respectively. If the operating system implements a Shortest
Remaining Time First (SRTF) scheduling algorithm, how many context switches are
required? Exclude the context switches at time zero and at the end of execution :
Answer
B. 2
85
Which page replacement algorithm is more susceptible to Belady’s anomaly?
Answer
C. FIFO
86
How many superkeys can be formed for the relation schema R (E, B, C,
Answer
D. where E is the
key?
87
How would you describe the Relational Data Model?
Answer
A. Data is organized within a table using rows and columns
88
What technique is employed in RDBMS to create different classes of relations with the
primary goal of preventing modification anomalies?
Answer
D. Normal Forms
018/2024 16 A
89
What does the result of the UNION operation between relation R1 and R2 include?
Answer
B. All the tuples of R1 and R2
90
In the context of entity set refinement, what design process involves making distinctions
explicit by refining from an initial entity set into successive levels of entity subgroupings?
Answer
A. Top-down
91
How many duplex links are there in a mesh topology network with four devices?
Answer
C. Six
92
What type of network is capable of transmitting voice, video, and data?
Answer
D. All the above
93
What device is utilized to interconnect similar LANs with identical protocols?
Answer
B. Bridges
94
What system exemplifies full-duplex communication?
Answer
C. Telephone
95
Identify the correct IPv4 address from the options provided.
Answer
D. 128.64.0.0
96
What was the original name for the ‘Imitation game’ among the options provided?
Answer
C. Turning Test
97
What is the term for the process in Linguistic morphology that involves reducing inflected
words to their root form?
Answer
B. Stemming
98
“I saw her duck”, what ambiguity this statement has?
Answer
C. Semantic ambiguity
99
What text parsing techniques in NLP are suitable for tasks such as noun phrase detection,
verb phrase detection, subject detection and object detection?
Answer
C. Dependency Parsing and Constituency Parsing
100
What task serves as an example of text classification among the options given?
Answer
B. Sentiment analysis
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