lecture_01.pdf - Data structures and algorithms Introduction to Computer and Programming Institute of Technology of Cambodia Electrical and Energy

lecture_01.pdf - Data structures and algorithms...

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Data structures and algorithms Institute of Technology of Cambodia Electrical and Energy Engineering Department Introduction to Computer and Programming
Introduction to Computer and Programming What is a computer?A computer is included hardware and software, so what are they?
Introduction to Computer and Programming CPU is a computer’s brain It’s retrieves instruction from memory and execute them Usually it have two functions A control unit: control and coordinate the action of another component Arithmetic/logic unit: perform numerical operation. CPU performance can be measured by its clock speed in hertz (Hz) Ex: Intel Core i7 Processor 7700
CPU on a motherboardWhat is motherboard?
Size of capacity A computer store information in form of a digital data The smallest digital data is a bit which represent by 0 or 1. A set of 8 bit is call a byte 01110101 = a byte
Memory Data stored in a unit called memory. Memory of a computer consists of an ordered sequence of bytes called address.

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