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Can you explain what inheritance is and an example of when you might use it?
The process of deriving a new class from an existing class is known as Inheritance. The old class is known as the base class and the new class is called derived class. The derived class inherits some or everything of the base class. In Visual Basic we use the Inherits keyword to inherit single class from other.
Ex:
Public Class Base
---
End Class
Public Class Derived
Inherits Base
What are universal gates. Construct a logic circuit using NAND gates only for the expression x = A . (B + C). Ans. Universal Gates: NAND and NOR Gates both are t
Explain the role of World Wide Web in the field of e-commerce. In the 1990s, the arrival of the World Wide Web on the Internet had shown a turning point in e-commerce by givin
Give some examples of malicious data. In May 2002, the Norton Anti-Virus software for Windows operating systems detects about 61000 malicious programs. Some of them are named
Open addressing: The easiest way to resolve a collision is to begin with the hash address and do a sequential search by the table for an empty location. The idea is to place the
A device which converts BCD to Seven Segment is called ? Ans. DECODER is a device that converts BCD to Seven Segment. This coverts binary words in alphanumeric characters.
What is Strobe. Asynchronous data are transfer among two independent unit needs that control signals to be transmitted among the communicating units to indicate the time at whi
How many select lines will a 32:1 multiplexer will have ? Ans. 5 select lines will be required for 32 inputs, as 2 5 = 32.
Q. Explain the following: a) Gray code b) Parity code c) Overflow Q. Give the counting up to 30 in Base 5. Q. Convert (175.6)8 into Gray code and Excess-3 code.
Case Study - A taxi company has 200 taxies. The company provides its services to all the nine districts in Mauritius, about 20 taxies per district. A taxi is normally attached to
Explain The Boolean Equations for Logic Circuits? A Boolean equation is the mathematical representation of a logic circuit using standard Boolean terms. All the logic gates (AND,
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