Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
The value of capacitive reactance increases as the-
A)
value of capacitance increases
B)
frequency decreases
C)
voltage increases
D)
current increases
Option B is correct: frequency decreases.
Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
The time period of a direct current is-
A)
infinite
B)
zero
C)
finite
D)
random
Option A is correct: infinite.
Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
Domestic appliances in household internal wiring are connected in parallel across a.c mains because-
A)
it is a simple arrangement
B)
operation of each appliance becomes independent of the other
C)
appliances have same current ratings
D)
this arrangement occupies less space
Option B is correct: operation of each appliance becomes independent of the other.
Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
In Ohim’s law if the resistance or impedance is uniform then-
A)
voltage is equal to current
B)
voltage is directly proportional to current
C)
voltage is inversely proportional to current
D)
voltage is directly proportional to square of current
Option B is correct: voltage is directly proportional to current.
Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is-
A)
1500 rpm
B)
1000 rpm
C)
800 rpm
D)
500 rpm
Option A is correct: 1500 rpm.
Departmental (other) • 2024 • Engineering Paper-II (Electricals/Electronics/Electrical & Electronics/Electronics & Communication/ Electronics & Telecommunication Engineers Under Electrical Wing)
If e1 = A sin wt and e2 = B sin (wt - θ), then-
A)
e1 lags e2 by θ
B)
e2 lags e1 by θ
C)
e1 is in phase with e2
D)
e2 is in phase with e1
Option B is correct: e2 lags e1 by θ.
Departmental (other) • 2024 • Engineering Paper-II
In TCP, sending and receiving data is done as :
A)
Stream of bytes
B)
Sequence of characters
C)
Lines of data
D)
Packets
Option A is correct: Stream of bytes.
Departmental (other) • 2024 • Engineering Paper-II
URL stands for
A)
unique reference label
B)
uniform reference label
C)
uniform resource locator
D)
unique resource locator
Option C is correct: uniform resource locator.
Departmental (other) • 2024 • Engineering Paper-II
Which of the following is not characteristic of a relational database model?
A)
Treelike structure
B)
Table
C)
Complex logical relationships
D)
Records
Option A is correct: Treelike structure.
Departmental (other) • 2024 • Engineering Paper-II
Semaphore is a/an to solve the critical section problem.
A)
hardware for a system
B)
special program for a system
C)
locking mechanism
D)
integer variable
Option D is correct: integer variable.
Departmental (other) • 2024 • Engineering Paper-II
When the event for which a thread is blocked occurs?
A)
thread moves to the ready queue
B)
thread remains blocked
C)
thread completes
D)
a new thread is provided
Option A is correct: thread moves to the ready queue.
Departmental (other) • 2024 • Engineering Paper-II
What is the language used by most of the DBMSs for helping their users to access data?
A)
High level language
B)
Low level language
C)
Query Language
D)
4GL
Option C is correct: Query Language.
Departmental (other) • 2024 • Engineering Paper-II
Dynamic web page
A)
is same every time whenever it displays
B)
generates on demand by a program or a request from browser
C)
both is same every time whenever it displays and generates on demand by a program or a request from browser
D)
is different always in a predefined order
Option B is correct: generates on demand by a program or a request from browser.
Departmental (other) • 2024 • Engineering Paper-II
A Relation is a-
A)
Subset of a Cartesian product of a list of attributes
B)
Subset of a Cartesian product of a list of domains
C)
Subset of a Cartesian product of a list of tuple
D)
Subset of a Cartesian product of a list of relations
Option B is correct: Subset of a Cartesian product of a list of domains.
Departmental (other) • 2024 • Engineering Paper-II
Which of the following statements are TRUE about an SQL query?
P: An SQL query can contain a HAVING clause even if it does not have a GROUP BY clause.
Q: An SQL query can contain a HAVING clause only if it has a GROUP BY clause.
R: All attributes used in the GROUP BY clause must appear in the SELECT clause.
S: Not all attributes used in the GROUP BY clause need to appear in the SELECT clause.
A)
Q and R
B)
Q and S
C)
P and R
D)
P and S
Option D is correct: P and S.
Departmental (other) • 2024 • Engineering Paper-II
Which one of the following is the deadlock avoidance algorithm?
A)
banker’s algorithm
B)
round-robin algorithm
C)
elevator algorithm
D)
karn’s algorithm
Option A is correct: banker’s algorithm.
Departmental (other) • 2024 • Engineering Paper-II
Which transmission media provides the highest transmission speed in a network?
A)
coaxial cable
B)
twisted pair cable
C)
optical fiber
D)
electrical cable
Option C is correct: optical fiber.
Departmental (other) • 2024 • Engineering Paper-II
What is start frame delimeter (SFD) in ethernet frame?
A)
00000000
B)
11111111
C)
10101010
D)
10101011
Option D is correct: 10101011.
Departmental (other) • 2024 • Engineering Paper-II
The FCFS algorithm is particularly troublesome for
A)
operating systems
B)
multiprocessor systems
C)
multiprogramming systems
D)
time sharing systems
Option D is correct: time sharing systems.
Departmental (other) • 2024 • Engineering Paper-II
In Unix, which system call creates the new process?
A)
create
B)
fork
C)
new
D)
process
Option B is correct: fork.
Departmental (other) • 2024 • Engineering Paper-II
A set of one or more attributes taken collectively to uniquely identify a record.
A)
Primary Key
B)
Foreign key
C)
Super key
D)
Candidate key
Option C is correct: Super key.
Departmental (other) • 2024 • Engineering Paper-II
For designing a normal RDBMS which of the following normal form is considered adequate?
A)
4NF
B)
3NF
C)
2NF
D)
SNF
Option B is correct: 3NF.
Departmental (other) • 2024 • Engineering Paper-II
The program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
A)
bootstrap
B)
main
C)
bootloader
D)
rom
Option A is correct: bootstrap.
Departmental (other) • 2024 • Engineering Paper-II
If the resources are always preempted from the same process, this can occur.
A)
deadlock
B)
system crash
C)
aging
D)
starvation
Option D is correct: starvation.
Departmental (other) • 2024 • Engineering Paper-II
Set of rules that governs data communication.
A)
Protocols
B)
Standards
C)
RFCs
D)
Servers
Option A is correct: Protocols.
