MS WORD FULL SLIDE

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Generation in computer terminology

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  Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system. There are five computer generations known till date. Each generation has been discussed in detail along with their time period and characteristics. In the following table, approximate dates against each generation has been mentioned, which are normally accepted. Following are the main five generations of computers. S.No Generation & Description 1 First Generation The period of first generation: 1946-1959. Vacuum tube based. 2 Second Generation The period of second generation: 1959-1965. Transistor based. 3 Third Generation The period of third generation: 1965-1971. Integrated Circuit based. 4 Fourth Generation The period of fourth generation: 1971-1980. VLSI microprocessor based. 5 Fifth ...
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CPU (CENTRAL PROCESSING UNIT)

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            Central Processing Unit (CPU) consists of the following features − CPU is considered as the brain of the computer. CPU performs all types of data processing operations. It stores data, intermediate results, and instructions (program). It controls the operation of all parts of the computer.                CPU itself has following three components. Memory or Storage Unit Control Unit ALU(Arithmetic Logic Unit) Memory or Storage Unit This unit can store instructions, data, and intermediate results. This unit supplies information to other units of the computer when needed. It is also known as internal storage unit or the main memory or the primary storage or Random Access Memory (RAM). Its size affects speed, power, and capability. Primary memory and secondary memory are two types of memories in the computer. Functions of the memory unit are − It stores all the data and the instructions required for...
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