Understanding Computer Systems: Hardware, Software, Input, Output, and Storage, Summaries of Computer Science

Download Understanding Computer Systems: Hardware, Software, Input, Output, and Storage and more Summaries Computer Science in PDF only on Docsity! Introduction Computers to Sheryl F. Antonio Sultan Kudarat State University What is Computer Systems? -is an electronic device which consists Of several components that together provide the capability of executing a stored program. Sheryl F. Antonio Sultan Kudarat State University used to open and close files and click on a lot of commands Input Devices Mouse Camera Keyboard Scanner Transmits a picture from one computer to another. input letters or numbers into different applications or programs. used to copy pictures or other things and save them as files on the computer.  Refers to the physical components of the Computer system that you can actually touch such as the keyboard, monitor, CPU, mouse and printer. Hardware Sheryl F. Antonio Sultan Kudarat State University Output Devices Monitor Speaker Printer Displays images using grids of dot called pixels. Produce sound output from the computer. Used to output information from the computer. Sheryl F. Antonio Sultan Kudarat State University Storage Devices Floppy Disk CD/DVD store information Are typically removable and rewritable, and physically much smaller than an optical disc. It is slower than hard disks and have less capacity ranging from 1.44 MB. Flash Drive Sheryl F. Antonio Sultan Kudarat State University Power Supply A device or system that supplies electrical signal Monitor Displays images using grids of dot called pixels. Sheryl F. Antonio Sultan Kudarat State University A rigid disk of plastic onto which data are recorded by special lasers that physically burn pits into the disk. Hard Drive Is the main Storage Device Optical Disk Sheryl F. Antonio Sultan Kudarat State University Software -Is a set of programs that tells the computer how to do a specific task. Untouchable. 1. System Software -it performs task necessary to the efficient management of the hardware. It refers to the computer programs or files which purpose is to help run the computer. It includes the following: operating system, utility programs and compilers and interpreter Categories of Software Sheryl F. Antonio Sultan Kudarat State University c. Compilers and Interpreter – are programs that translate the high – level language into an object code. Compiler - translate the whole program as an object code at once. Interpreter – translate instructions one statement at a time Sheryl F. Antonio Sultan Kudarat State University Peopleware -The people who use the computer system. Sheryl F. Antonio Sultan Kudarat State University Thank You Sheryl F. Antonio Sultan Kudarat State University