The input-output system of a computer consists of the programs and devices that allow the machine and its user to communicate. Recently graphical devices for this purpose have evolved rapidly ...

Every peripheral device (keyboard, modem, monitor, etc.) requires a control circuit that interfaces with the computer's processor (CPU). These circuits are either built into the chips on the ...

Serial Peripheral Interface (SPI) output driver chips are popular with embedded designers because they provide multiple outputs without using any CPU I/O pins. This article explains how to adapt a ...

The 74LVC257A is a quad two-input multiplexer with 5 V tolerant inputs/outputs and 3-state outputs. These 3-state outputs select 4 bits of data from two sources and are controlled by a common data ...

We use computers close computerA device that processes information by following a set of rules called a program., computing devices and computer systems close computer systemA series of connected ...