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ASCII / ISCII / UNICODE

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     Internal storage of encoding characters   A computer is capable of handling numeric data but in addition to numerical data, a          computer must be able to handle non-numerical information . In other words, a              computer should recognize codes that represent letters of the alphabet,                            punctuation and other special characters as well as numbers. These codes are            called alphanumeric codes. 1.      ASCII (American Standards Code for Information Interchange) ASCII code is most widely used alphanumeric code used in computers. It is used extensively in small computers, peripherals, instruments and communication devices. ASCII-7 can represent 2 7 =128 characters. ASCII-8 can represent 2 8 =256 characters. It is...
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Microprocessor

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Microprocessor A microprocessor is an electronic circuit that is fabricated on a single chip. It is the heart of all the computers. The instructions given in a program are interpreted and carried out by the processing unit of computer. So, we can say that a microprocessor is a multipurpose, programmable device that reads binary instructions from a storage device called memory, accepts binary data from input units and processes data according to these instructions and provide results as output. A processor is also known as CPU which is also called as brain of the computer. The main components of CPU are: 1.      Control Unit 2.      Arithmetic Logic Unit 3.      Registers 1.    Control Unit(CU) -> A control unit is that part of computer, which makes the ALU and memory work in synchronization with the data. It is responsible for carrying out all the instructions stored in the progr...
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Array of Type Class

   Array of Type Class An array can be of any data type including struct. Similarly, we can also have arrays of variables that are of the type class. Such variables are called array of objects . Consider the following class definition: class employee {             char name[30];             float age;             public:                         void getdata();                         void putdata(); }; The identifier employee is a user-defined data type and can be used to create objects that relate to different categories of the employees. Example: employee ...
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