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Full Test 5 - EKT CSE - AFCAT MCQ


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30 Questions MCQ Test IAF AFCAT Mock Test Series and EKT for (ME, EEE, CSE) 2025 - Full Test 5 - EKT CSE

Full Test 5 - EKT CSE for AFCAT 2024 is part of IAF AFCAT Mock Test Series and EKT for (ME, EEE, CSE) 2025 preparation. The Full Test 5 - EKT CSE questions and answers have been prepared according to the AFCAT exam syllabus.The Full Test 5 - EKT CSE MCQs are made for AFCAT 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Full Test 5 - EKT CSE below.
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Full Test 5 - EKT CSE - Question 1

A J-K Flip Flop made to toggles when

Detailed Solution for Full Test 5 - EKT CSE - Question 1

When J=1 and K=1 then the race condition is occurs that means both output wants to be HIGH, it is called toggling.

Full Test 5 - EKT CSE - Question 2

ASCII stands for

Detailed Solution for Full Test 5 - EKT CSE - Question 2

ASCII stands for American Standard Code for Information Interchange is a character encoding standard for electronic communication. ASCII characters are represented by seven bits. ASCII codes are of two types- ASCII-7 and ASCII-8. ​The standard ASCII character has 7 bits and the basic set ranges from 0 to 127.​The extended ASCII character has 8 bits and the basic set ranges from 0 to 255.

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Full Test 5 - EKT CSE - Question 3

Optical fiber works on the principle of –

Detailed Solution for Full Test 5 - EKT CSE - Question 3

Optical fibre works on the principle of total internal reflection. Here light is used to transmit information from one place to another.

Full Test 5 - EKT CSE - Question 4

In which type of the switchings given below, entire capacity of a dedicated link is used?

Detailed Solution for Full Test 5 - EKT CSE - Question 4

In circuit switching entire channel capacity is used for single communication.

Two types of switched services are used in Wide Area Network:

(1). Circuit Switching: In circuit switching, a dedicated channel, called circuit, is set up between two stations for the duration of the transmission.The circuit must be established to make a complete end-to-end  connection before any data transmission.The whole bandwidth is dedicated to to this connection even if no data is being transferred.

(2). Packet Switching: In packet switching there is no dedicated circuit between any two end nodes, links can be dynamically shared among several communications over time. To provide the link sharing, user data must be segmented into discrete, variable length units called packets.

Full Test 5 - EKT CSE - Question 5

Which computer memory is volatile?

Detailed Solution for Full Test 5 - EKT CSE - Question 5

RAM(Random access memory) is volatile while ROM(Read only memory), PROM(programmable read only memory) and EPROM(Erasable programmable read only memory) are non-volatile memories means their data will be retained even when the power is turned off.

Full Test 5 - EKT CSE - Question 6

The charge carriers in an n-channel FET are

Detailed Solution for Full Test 5 - EKT CSE - Question 6

The charge carriers in an n-channel FET are electrons alone

Full Test 5 - EKT CSE - Question 7

Frames from one LAN can be transmitted to another LAN via the device called

Detailed Solution for Full Test 5 - EKT CSE - Question 7

Bridge works at data link layer, it transmits frames from one LAN to another.

Full Test 5 - EKT CSE - Question 8

Tesla is a measure of

Detailed Solution for Full Test 5 - EKT CSE - Question 8

Tesla (T) is a measure of magnetic flux density.
Electrical potential measures in volts (V).
Magnetic potential measures in Amperes (A).

Full Test 5 - EKT CSE - Question 9

If both inputs of J-K Flip flop are same then it acts as

Detailed Solution for Full Test 5 - EKT CSE - Question 9

If both inputs of JK flip flop are same, then it acts as T flip flop. If both the inputs are low, then the output will be same as the previous output. If both the inputs are high, then the output will be complement of the previous output.

Full Test 5 - EKT CSE - Question 10

Which of the following medium has slowest transmission speeds?

Detailed Solution for Full Test 5 - EKT CSE - Question 10

Twisted-pair wire has slowest transmission speed while fibre-optic cable has highest transmission speed.

Full Test 5 - EKT CSE - Question 11

The Logic gate that will have HIGH or “1” at its output when one of its inputs is high is

Detailed Solution for Full Test 5 - EKT CSE - Question 11

The below truth table is for OR gate.

From the above truth table we can say that if one of the input is high, the output will be high.
The below truth table is for AND gate.

From the above truth table we can say that if one of the input is low, the output will be high.

Full Test 5 - EKT CSE - Question 12

What is addition of (-64)10 and (80)16?

Detailed Solution for Full Test 5 - EKT CSE - Question 12

Converting in decimal we have

Full Test 5 - EKT CSE - Question 13

Conversion of decimal number 61 to its binary number equivalent is

Detailed Solution for Full Test 5 - EKT CSE - Question 13

61 = 63-2, as 63 is represented by 111111, subtracting 2 will give 111101.

Full Test 5 - EKT CSE - Question 14

A full adder can be realized by using – 

Detailed Solution for Full Test 5 - EKT CSE - Question 14

A full adder can be realized by using two half adders and one OR gate.

Full Test 5 - EKT CSE - Question 15

If the area of the square is increased by 69% the side of the square increase by

Detailed Solution for Full Test 5 - EKT CSE - Question 15

Let the side of the square is x
Now, the area of square is, A = x2
Given that area of the square increased by 69%, the area will be 1.69 A
Let the increased side of the square is nx
⇒ (nx)2 = 1.69x2
⇒ n = 1.3

Full Test 5 - EKT CSE - Question 16

A multiplexer has____________

Detailed Solution for Full Test 5 - EKT CSE - Question 16

A multiplexer has many inputs and one output and selection lines.

Full Test 5 - EKT CSE - Question 17

What is a stub network?

Detailed Solution for Full Test 5 - EKT CSE - Question 17

A network that has only one entry and exit point is called stub network.

Full Test 5 - EKT CSE - Question 18

Transition From Running state to Ready state is

Detailed Solution for Full Test 5 - EKT CSE - Question 18

When it is interrupted by a scheduler which is possible when its time quanta is complete.

Full Test 5 - EKT CSE - Question 19

A bag contains 4 white, 5 red and 6 blue balls. Three balls are drawn at random form the bag. The probability that all of them are red is:

Detailed Solution for Full Test 5 - EKT CSE - Question 19

Total balls in the bag are = 15
Sample space = 15c3
The probability that all the balls are red is 

Full Test 5 - EKT CSE - Question 20

Which scheduling policy is most suitable for a time-shared operating systems?

Detailed Solution for Full Test 5 - EKT CSE - Question 20

In order to schedule processes fairly, a round-robin scheduler generally employs time-sharing, giving each job a time slot or quantum (its allowance of CPU time), and interrupting the job if it is not completed by then. It is designed especially for time-sharing systems.

Full Test 5 - EKT CSE - Question 21

In the OSI model of computer networking, a frame is the protocol data unit at the_____

Detailed Solution for Full Test 5 - EKT CSE - Question 21

In the OSI model of computer networking, a frame is the protocol data unit at the data link layer. Frames are the result of the final layer of encapsulation before the data is transmitted over the physical layer. A frame is the unit of transmission in a link layer protocol, and consists of a link layer header followed by a packet.

Full Test 5 - EKT CSE - Question 22

Long term scheduler is responsible for:

Detailed Solution for Full Test 5 - EKT CSE - Question 22

Long term scheduler is also called job scheduler. Long term scheduler determines which programs are admitted to the system for processing. Job scheduler selects processes from the process queue and loads them into memory for execution (new to ready state). The primary objective of the job scheduler is to provide a balanced mix of jobs, such as I/O bound and processor bound. It also controls the degree of multiprogramming. If the degree of multiprogramming is stable, then the average rate of process creation must be equal to the average departure rate of processes leaving the system.

Full Test 5 - EKT CSE - Question 23

In an AC circuit, resonance occurs when

Detailed Solution for Full Test 5 - EKT CSE - Question 23

In an AC circuit, resonance occurs when capacitive reactance equals reactive reactance.

At resonance, XL = XC, Z = R

Full Test 5 - EKT CSE - Question 24

Which of the following statements is true in context of Banker’s algorithm?

Detailed Solution for Full Test 5 - EKT CSE - Question 24

Banker’s algorithm is a Deadlock avoidance algorithm, it doesn’t detect or prevent deadlock, it acquires prior knowledge of all the currently executing processes, so that it can help to avoid deadlock.

Full Test 5 - EKT CSE - Question 25

One Coulomb passing a point in one second is one ______.

Detailed Solution for Full Test 5 - EKT CSE - Question 25

The current at a point in the circuit is the amount of charge that passes that point in one second. A current of 1 A is flowing in a circuit if a charge of 1 coulomb passes any point in the circuit every second.

Full Test 5 - EKT CSE - Question 26

Detailed Solution for Full Test 5 - EKT CSE - Question 26

Multiplying matrix A by itself, we get 

Full Test 5 - EKT CSE - Question 27

The participation constraint associated with relationship set of a weak entity is always

Detailed Solution for Full Test 5 - EKT CSE - Question 27

As weak entity can be identified by using partial key + key of owner entity, the relationship set needs to be total participation.

Full Test 5 - EKT CSE - Question 28

Embedded system typically run on a …….. Operating system.

Detailed Solution for Full Test 5 - EKT CSE - Question 28

An Embedded system is typically the part of some big electrical or mechanical system which are working in real time, so it must be running on a real-time OS.

Full Test 5 - EKT CSE - Question 29

Value of sinx + cosx is greatest when x is

Detailed Solution for Full Test 5 - EKT CSE - Question 29

When x is 45 degrees sinx + cosx attains maxima.

Full Test 5 - EKT CSE - Question 30

A file system is said to exhibit data dependence because

Detailed Solution for Full Test 5 - EKT CSE - Question 30

A file system is said to exhibit data dependence when any of the file’s data characteristics change, all data access programs are subject to change.

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