Components of a computer presentation


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Components of a computer presentation

  1. 1. Components of Computer <ul><li>Harry Hayward </li></ul>
  2. 2. The CPU <ul><li>The CPU is the brain of the computer </li></ul><ul><li>CPU stands for Central Processing Unit </li></ul><ul><li>It tells all of the computer’s components what to do </li></ul><ul><li>It is attached to the motherboard via a ZIF (Zero Insertion Force) socket </li></ul><ul><li>Above it is the Heat Sink (Fan) which attached via thermal compound </li></ul>
  3. 3. The CPU advanced <ul><li>It can have multiple speeds </li></ul><ul><li>Nowadays the most popular speeds are 300Mhz and 550Mhz </li></ul><ul><li>There are different Core Types </li></ul><ul><li>These are: </li></ul><ul><ul><li>Dual Core </li></ul></ul><ul><ul><li>Multiple Core </li></ul></ul><ul><ul><li>Single Core </li></ul></ul>
  4. 4. Memory <ul><li>RAM stands for Random Access Memory </li></ul><ul><li>It allows you to multiple things at one time – the more RAM you have, the more things you will be able to do at one time. </li></ul><ul><li>They are placed in DIMM slots. </li></ul><ul><li>Flash Memory is a form of Memory that can be erased and reprogrammed in blocks (units of memory). </li></ul><ul><li>It is constantly powered </li></ul>
  5. 5. Memory advanced <ul><li>There are different types of RAM (such as DIMM, SODIMM, DRAM, and SDRAM). They each have different speeds. Below shows this. </li></ul><ul><li>DDR </li></ul><ul><ul><li>DDR200 – 200MHz </li></ul></ul><ul><ul><li>DDR266 – 266MHz </li></ul></ul><ul><ul><li>DDR333 – 333MHz </li></ul></ul><ul><ul><li>DDR400 – 400MHz </li></ul></ul><ul><ul><li>DDR433 – 433MHz </li></ul></ul><ul><ul><li>DDR466 – 466MHz </li></ul></ul><ul><ul><li>DDR500 – 500MHz </li></ul></ul><ul><ul><li>DDR533 – 533MHz </li></ul></ul><ul><li>DRAM – 25-40MHz </li></ul><ul><li>SDRAMM DIMM – 66-133MHz </li></ul><ul><li>ROM (Read Only Memory) cannot be edited, only </li></ul><ul><li>read. </li></ul><ul><li>EPROM is a form of ROM that can be erased and reprogrammed </li></ul><ul><li>Memory contained in ROM is kept even when the </li></ul><ul><li>computer is turned off </li></ul><ul><li>Dynamic RAM is the most common type of RAM </li></ul><ul><li>contains a transistor and a capacitor. </li></ul><ul><li>The capacitor holds the information (either a 0 or a 1) </li></ul><ul><li>However it has to be refreshed every few milliseconds </li></ul><ul><li>Static RAM does not need to be refreshed </li></ul><ul><li>This makes it faster, yet more expensive </li></ul>
  6. 6. Hard Drive <ul><li>A Hard drive stores all of your files on your computer </li></ul><ul><li>Most hard drives are internal, but you can get additional external ones to store more files </li></ul><ul><li>These files could include text, videos, images and software </li></ul><ul><li>Both types can be found at about £70 </li></ul>
  7. 7. Hard Drive Advanced <ul><li>You can get different speeds of hard drive </li></ul><ul><li>The most common are 5400rpm and 7200rpm </li></ul><ul><li>There are several types of hard drive, these include PATA, SATA, SCSI and SSD. </li></ul><ul><li>Some SATA Hard Drive manufacturers make 10,000rpm hard drives </li></ul>
  8. 8. Adapter Cards <ul><li>There are different types of adapter card such as: </li></ul><ul><ul><li>Graphics Card </li></ul></ul><ul><ul><li>Audio Card </li></ul></ul><ul><ul><li>NIC </li></ul></ul><ul><ul><li>Wireless NIC </li></ul></ul><ul><ul><li>TV Tuner Cards </li></ul></ul><ul><li>PCI adapters connect computers to their peripherals </li></ul><ul><li>PCIe adapters also connect computers to their peripherals, however they were designed to replace PCI because it can connect updated versions of peripherals and generally more peripherals to the computer. </li></ul><ul><li>Sometimes Graphics Cards can be integrated onto the </li></ul><ul><li>motherboard. This is called an onboard graphics card. </li></ul>
  9. 9. Adapter cards advanced <ul><li>PCMCIA is an organization that specializes in developing and manufacturing PC Cards. </li></ul><ul><li>They have expanded their standards several times, which means that they are now compatible with many more devices. </li></ul><ul><li>A cardbus is the standard of PC card that PCMCIA currently develop. </li></ul><ul><li>It is 32-bit </li></ul>
  10. 10. Storage Devices <ul><li>You can get both internal and external storage devices </li></ul><ul><li>Internal Storage devices are inside the computer </li></ul><ul><li>External Storage devices are outside the computer </li></ul><ul><li>A Storage Device is a hardware device that can store data </li></ul><ul><li>They contain the PC’s permanent data </li></ul><ul><li>There are two types – Primary and Secondary </li></ul><ul><li>Primary storage devices include RAM </li></ul><ul><li>Secondary storage devices include Hard Drives </li></ul>
  11. 11. Storage Devices advanced <ul><li>There are several interfaces that are used with storage devices </li></ul><ul><li>SATA is an interface used to connect host bus adapters to storage devices </li></ul><ul><li>These storage devices can include Hard Drives and Optical Drives </li></ul><ul><li>PATA is an interface used to connect storage devices to the motherboard </li></ul><ul><li>SCSI is an interface used to connect the PC to any of its peripherals </li></ul><ul><li>A Solid State Drive (SSD) is a storage device with no moving parts </li></ul><ul><li>They make less noise than hard drives </li></ul><ul><li>They are becoming more popular than hard drives </li></ul>
  12. 12. Different types of Hard Drive <ul><li>PATA Hard drive: </li></ul><ul><ul><li>Latest version’s cables have 80 wires </li></ul></ul><ul><ul><li>Older versions had 40 wires </li></ul></ul><ul><ul><li>40-pin connector </li></ul></ul><ul><li>SATA Hard drive: </li></ul><ul><ul><li>Consume less power than PATA HDDs </li></ul></ul><ul><ul><li>Data interface is slower than PATA </li></ul></ul><ul><li>SDD Hard drive: </li></ul><ul><ul><li>No Moving Parts </li></ul></ul><ul><ul><li>Semiconductors move the disk </li></ul></ul><ul><ul><li>Less likely to break down </li></ul></ul><ul><ul><li>Processing Speed is Faster </li></ul></ul><ul><li>SCSI Hard drive: </li></ul><ul><ul><li>Spin faster than the other types of hard drive </li></ul></ul><ul><ul><li>More likely to break down than the other types of hard drive </li></ul></ul>
  13. 13. Input Devices <ul><li>Touchscreen is a graphic that can be operated by touch rather than with a mouse of keypad. </li></ul><ul><li>A graphics tablet is similar to touchscreen </li></ul><ul><li>It can be operated using a stylus or pen </li></ul><ul><li>A games controller is an input device that can be plugged in to play games on the PC. </li></ul><ul><li>Can be connected via USB cables. </li></ul><ul><li>A microphone can be connected to the computer for recording purposes </li></ul><ul><li>Can be connected via USB cables or TRS connector (jack plug). </li></ul><ul><li>A keyboard can be plugged in to type emails, letters, reports etc </li></ul><ul><li>Can be connected via USB or PS2 cables. </li></ul>
  14. 14. Output Devices <ul><li>Printers can be used to print documents, images etc </li></ul><ul><li>They can be connected via USB, Parallel cables or Wireless </li></ul><ul><li>Monitors show the graphics of what you are doing on your computer </li></ul><ul><li>They can be connected via VGA cables </li></ul><ul><li>Speakers allow you to listen to things on your PC </li></ul><ul><li>They can be connected via USB or TRS connectors. </li></ul>
  15. 15. Internal Components Hard Drive RAM Wireless NIC RAM slots Motherboard Optical Drive Heat Sink