Explore topic-wise MCQs in Php.

This section includes 2167 Mcqs, each offering curated multiple-choice questions to sharpen your Php knowledge and support exam preparation. Choose a topic below to get started.

2151.

Which frequencies is produced if Va sin⁡(ωa t) amplitude modulates the carrier Vc sin⁡(ωc t)?$

A. (ω<sub>c</sub> + ω<sub>a</sub>), (ω<sub>c</sub> – ω<sub>a</sub>) and ω<sub>c</sub>
B. (ω<sub>c</sub>) and (ω<sub>a</sub>)
C. (ω<sub>c</sub> + ω<sub>a</sub>) and (2ω<sub>c</sub> + 2ω<sub>a</sub>)
D. (2ω<sub>c</sub>) and (2ω<sub>a</sub>)
Answer» B. (‚âà√¨‚àö¬¢<sub>c</sub>) and (‚âà√¨‚àö¬¢<sub>a</sub>)
Discussion
2152.

Polyene antibiotics act on the plasma membrane of the fungus.

A. True
B. False
Answer» B. False
Discussion
2153.

An audit trail ___________

A. Is used to make backup copies
B. Is the recorded history of operations performed on a file
C. Can be used to restore lost information
D. None of the mentioned
Answer» C. Can be used to restore lost information
Discussion
2154.

Joining efficiency is dependent on _____

A. spot size
B. mode
C. polarisation
D. surface conditions
Answer» C. polarisation
Discussion
2155.

The total emitter current (IE) is given by_________

A. I<sub>E</sub> = I<sub>pE</sub> * I<sub>nE</sub>
B. I<sub>E</sub> = I<sub>pE</sub> – I<sub>nE</sub>
C. I<sub>E</sub> = I<sub>pE</sub> / I<sub>nE </sub>
D. I<sub>E</sub> = I<sub>pE</sub> + I<sub>nE</sub>
Answer» E.
Discussion
2156.

_____________ can modify data on your system – so that your system doesn’t run correctly or you can no longer access specific data, or it may even ask for ransom in order to give your access.$

A. IM – Trojans
B. Backdoor Trojans
C. Trojan-Downloader
D. Ransom Trojan
Answer» E.
Discussion
2157.

Which of the following operators has the highest precedence?

A. Unary +
B. *
C. >=
D. ==
Answer» B. *
Discussion
2158.

_______ is the point of intersection of system head curve with the characteristic curve of the pump.

A. Discharge point
B. Operating point
C. Velocity head
D. Pumping point
Answer» C. Velocity head
Discussion
2159.

_________ replace the objects with which the methods under test collaborate, offering a layer of isolation.

A. Classes
B. Mocks
C. Unified Stamps
D. Interfaces
Answer» C. Unified Stamps
Discussion
2160.

Differentiated animal cells cannot ____________

A. Grow further
B. Live longer
C. Be cloned
D. Dedifferentiate
Answer» E.
Discussion
2161.

__________ of water is struck in underground which is not accessibly.

A. 1%
B. 2%
C. 3%
D. 4%
Answer» B. 2%
Discussion
2162.

The surface texture may be calculated by.

A. Abrasion test
B. Impact test
C. British pendulum number
D. Viscosity test
Answer» D. Viscosity test
Discussion
2163.

The compounds responsible for coordinated regulation of glucose and glycogen metabolism are

A. NADH
B. NAD<sup>+</sup>
C. Acetyl co-A
D. Fructose 2, 6-bisphosphate
Answer» E.
Discussion
2164.

Which is true for SRS ?

A. SRS is the main input of the software product design process
B. SRS is the main output to the engineering design process
C. SRS is also the main output of the requirements specification activity
D. All of the mentioned
Answer» D. All of the mentioned
Discussion
2165.

How is the refresh rate calculated?

A. by refresh time
B. by the refresh cycle
C. by refresh cycle and refresh time
D. refresh frequency and refresh cycle
Answer» D. refresh frequency and refresh cycle
Discussion
2166.

To begin conduction, E-MOSFET requires

A. negative gate voltage
B. positive gate voltage
C. negative drain voltage
D. positive drain voltage
Answer» C. negative drain voltage
Discussion
2167.

Sulfomethylating agents comes under which agent?

A. Sulphur trioxide compound
B. Sulphur dioxide compound
C. Sulfoalkylating agents
D. None of the mentioned
Answer» D. None of the mentioned
Discussion