input & Output,Comp, Bus, Mem, Bits, Program, binary code

input & Output,Comp, Bus, Mem, Bits, Program, binary...

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Unformatted text preview: CSI 201 Introduction to Computer Science Central Processing Unit Random Access Memory Bus Keyboard Mouse DVD CD-R Drive Ethernet Video Input and Output Input and Output In addition to the CPU to process instructions and data, and the memory to store them, a computer needs ways to get information in and out of it. The computer wouldnt be terribly useful otherwise. Input and Output Input and Output In order to get the Programs (sequences of instructions), and Data it needs to operate, there must be ways to input these to the computer. Input and Output Input and Output Typical ways to input information to a computer would include: Read it from a CD or DVD, Type it in from a keyboard, or Download it from the Internet. Input and Output Input and Output Similarly, we need ways to get access to the information that is in the computer. Getting information from a computer is known as output . Input and Output Input and Output Typical methods of output are: Displaying it to a monitor Displaying it to a monitor Printing it out. Burning data to a CD or DVD, Sending it to another computer via the Internet. Input and Output I/O Devices Input and Output ( I/O ) are done by devices connected to the computer. These can be viewed as components that do one or both of Input - transfer data into the computer, Output - copy data out of the computer. Input and Output I/O Devices Central Processing Unit Random Access Memory Bus Keyboard Mouse DVD CD-R Drive Ethernet Video Putting It All Together The Bus Central Processing Unit Random Access Memory Bus Keyboard Mouse DVD CD-R Drive Ethernet Video Putting It All Together The Bus We have the processor, the memory, and I/O devices. We havent discussed how they all communicate....
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input & Output,Comp, Bus, Mem, Bits, Program, binary...

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