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GSM handset uses SIM (Subscriber Identity Module) card. Each SIM has a unique code. CDMA technology does not use a SIM card. But they connect to a network because those networks details are programmed into the handset itself.

CDMA is the most secure technology. A unique code is provided to each user and all conversations between the users are encoded with greater level of security. CDMA phone calls are more secure than GSM phone calls.

Stiffness is the property of a material to resist any elastic deformation. Larger the stiffness, larger is the ability to resist deformation.

Creep is time and temperature dependent phenomenon. With the passage of time and other environmental condition, material may lead to fracture point.

In order to neutralize the cross magnetizing effect of armature reaction, a compensating winding is used. The compensating windings consist of a series of coils embedded in slots in the pole faces. These coils are connected in series with the armature. The arrangement is shown in the diagram.

Earliest start time (EST) is defined as the earliest possible time at which an activity can start.
Latest start time (LST) is the latest possible time by which an activity can start.
Float is the difference between time available for completing an activity and the time necessary to complete an activity.

Fleming’s Right-hand Rule (for generators) shows the direction of induced current when a conductor attached to a circuit moves in a magnetic field. It can be used to determine the direction of current in a generator’s windings. According to the rule when the thumb, the pointing finger and the middle finger are perpendicular to each other and the thumb has the direction of the applied force and the pointing finger has the direction of the applied magnetic field, then the middle finger will show the direction of the current induced in the conductor. So all the given options are wrong. The diagram shows the idea clearly.

option (d) is correct. The data transmission rate is measured in bits per second. Standard baud rates supported are 1200, 2400, 4800, 19200, 38400, 57600, and 115200. Normally most of the time 9600 bps is used when speed is not a big issue.

A special function register, within a microprocessor, controls or monitors various aspects of the microprocessor’s function.

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