ERA Group Trainee Interview Questions and Answers

Automobile is a vehicle designed for transportation on roads, powered by an internal combustion engine or electric motor.

• Automobiles are commonly known as cars, trucks, or buses.

• They are used for personal transportation, commercial transportation, and emergency services.

• The first automobile was invented in the late 19th century by Karl Benz.

• Modern automobiles have advanced safety features, such as airbags and anti-lock...read more

The steering system uses a mechanism called the rack and pinion.

• The rack and pinion mechanism is the most common type of steering system used in modern cars.

• It consists of a rack (a long, flat bar with teeth on one side) and a pinion (a small gear).

• When the driver turns the steering wheel, the pinion rotates and moves the rack, which in turn moves the wheels.

• Other types of steering systems include recirculating ball an...read more

Threads can be classified into two types: user-level threads and kernel-level threads.

• User-level threads are managed by the user-level thread library and are invisible to the kernel.

• Kernel-level threads are managed by the operating system and are visible to the kernel.

• User-level threads are faster to create and manage than kernel-level threads.

• Examples of user-level thread libraries include POSIX threads (pthreads) and...read more

Coupling refers to the degree of interdependence between software modules.

• There are six types of coupling: content, common, control, stamp, data, and message.

• Content coupling occurs when one module modifies or relies on the internal workings of another module.

• Common coupling occurs when multiple modules share the same global data.

• Control coupling occurs when one module controls the flow of another module.

• Stamp coupling...read more