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The parts of a computer and how it
 

The parts of a computer and how it

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How computers work

How computers work

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    The parts of a computer and how it The parts of a computer and how it Presentation Transcript

    • The parts of a computer and how it works.
      By. Nathan Watt
    • Memory
      8 bits = 1 byte
      1000 bytes = 1 kilobyte
      1000 kilobytes = 1 megabyte
      1000 megabytes = 1 gigabyte
      1000 gigabytes = 1 terabyte
    • RAM
      Ram means Random access memory and it makes your computer faster.
      This memory is vital to the computer because it controls the moment by moment processes of the computer. The first thing that goes into RAM is the OS (operating system) which is most cases is Windows 95. Next for the RAM might be a game, or the Internet browser, or some type of software that you want to use.
    • Rom
      Rom means read only memory. It is permanent and is long term memory.
      read-only memory is permanent, long-term, non-volatile memory. Non-volatile means is doesn't disappear when the computer is shut off. It also can not be erased or changed in anyway.
    • Early Computers
      personal computer only needed about 64K of RAM. Today that number is drastically higher. With photos, sounds, and even movies going into RAM, the amount need is now in the millions.
    • Multitasking
      Multitasking makes it so you can do more than one thing at one time.
      Multitasking has put more demand on RAM in the past few years. Multitasking is the ability to run more than one program at the same time. For instance, many people like to run Netscape Communicator along with their word processing software. This means you need lots of RAM to hold both programs.
    • Cache
      Cache is a type of virtual memory.
      Other types of temporary memory are cache, pronounced cash, and virtual memory. Both of these types of memory supplement the computer's primary RAM and perform the same function as RAM.
    • Hard Disk
      A stack of round metal platters called disks encased in a metal air tight shell. They commonly range in sizes from 60 to 500 gigabytes (1000MB=1GB). The hard drive's function is to store all the files, and software the computer will ever use.
    • Thumb Drive or Memory Stick
      A device that in 1998 IBM introduced and has caught on very quickly as a great portable storage device. It quickly replaced the floppy disk.
    • DVD-ROM (digital video disk, read-only memory)
      DVD's are similar to CD in that they are written and read by laser. Hard drives use magnetic currents store data. However CD's and DVD's use light (laser) to write and read data on a disk. These long and short pits are then stored or etched on the surface of the disk.
    • CD-ROM (Compact disk, read-only memory)
      CD's function much like hard drive in that they store large amounts of memory. What separates them is their mobility and optical storage technology. Their storage capacity is also very limited compared to hard drives.
    • Microprocessor
    • Processing
      The processor is the one part of the computer that is most important to the computer. The microprocessor controls how data is sorted and directs the flow of data.
    • Input
      One of the best features of a computer is the ability to give the computer commands and feed it information. Without an input device this would not be possible. Input devices can be built into the computer, like the keyboard in a laptop, or it can be connected to the computer by a cable.
    • Output
      The computer output devices are used to serve the user. The most common output device is the monitor, or screen. However most computer come with speakers and a printer which are excellent output devices.
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    • The End