Question
Which component in the MVC architecture communicates
directly with the database?Solution
The "Model" in the MVC architecture is responsible for managing data and business logic. This includes communication with the database to retrieve, update, or manipulate data. The "Model" encapsulates the database operations and shields the rest of the application from direct database communication.
A particle is projected such that its velocity vector sweeps equal angles with horizontal at equal time intervals. The motion is best described as:
Which of the following has the highest frequency? Â
Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 12 and the second has a voltage gain o...
The mass and energy equivalent to 1 a.m.u. respectively are -
In a concave mirror which of the following pair of position of object – size of the image is correct?
I. At infinity – point sized
A liquid is kept in a regular cylindrical vessel up to a certain height. If this vessel is replaced by another cylindrical vessel having half the area o...
A body moves with uniform acceleration and covers 80 m in 4 s and 160 m in next 4 s. Find initial velocity.
A larger force on a rotating body results in larger _____.
A tuning fork of frequency 440 Hz resonates with a pipe closed at one end, vibrating in its second overtone . If the speed of sound in air is 330 m/s, w...
The reason for a swimming pool to appear less deep than the actual depth is –