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Explain pointers
We can have a pointer pointing to a structure just the same way a pointer pointing to an int, such pointers are called as structure pointers
Q. Explain about wildcard character in DOS? Sometimes you may like to list files having similar names. Let as suppose that these files are present in a root directory of drive
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
Describe the operation of voltage to frequency ADC. Ans: A voltage-to-frequency converter i.e. VFC is an oscillator that frequency is linearly proportional to a control volt
Explain new services of CPU Based Exchange. These new services are termed as supplementary services and several of the prominent ones are given below as: Category 1:
What is Tri-state logic ? Ans. Tri-state Logic: In common logic circuits, there are two states of the output, as LOW and HIGH. If the output is not in the LOW state, this
Visibility. Controls should be clearly visible, so users can see the controls that are available to them. Visual feedback should also be clearly visible, so users can understand wh
Q. Describe the External Users of system? External Users: Modern information systems are now reaching beyond the boundaries of traditional business to involve customers and o
a) Input names of students from the user, terminated by "ZZZ", 0, 0, 0 and create a data file grades with records of the following form: Student (string), test1 (integer), test2 (i
State about movable joystick In another type of movable joystick, the stick is used to activate switches that cause the screen cursor to move at a constant rate in the selected
Hiding data within the class and making it available only by the methods. This method is used to protect your class against accidental changes to fields, which might leave the clas
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