lunes, 16 de octubre de 2017








BINARY SYSTEM:





Computers work with binary system. The binary system uses only two digits (1 and 0).Computers can calculate complex equations and perform complex mathematics at lightening speed. Calculating using only 1s and 0s


Decimal to Binary
decimal to binary; example 100:



That is to say, we have to divide the number by 2 and if the division is exact we put a 0 and if not we put a 1
 
binary to decimal; example 53










miércoles, 11 de octubre de 2017

HARDWARE

Computer hardware refers to the physical parts of a computer and related devices.


We can classify it into three groups:

Input deviceAn input device is a hardware used to send data to a computer. An input device allows users to comunicate and feed instructions and data to computers.


Processing device: Is any device in a computer that handles this intermidiate stage. between the imput device and the output device.

Output device: An output device is any peripheral that receives data froma computer.



SOFTWARE
Computer sofware, or simply sofware, is a part of a computer system that consits of data or computer instructions, in contrast to the physical hardware from which the system is built.


 Operating systems: An operating system (OS) is system software that manages computer hardware and software resources and provides common services from computer programs.




























Storage: Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers


crocodile clip

Ejer 10 a)circuito de una pila de 9V, un pulsador NA, y dos bombillas que se encienden al mismo tiempo al pulsar el pulsador b)circuito c...