BTEC First Information and Creative Technology Teaching and

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Hardware devices

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Hardware devices § § § Computing devices Input devices Output devices Storage devices Multifunctional devices © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Computing devices § How many computing devices can we identify? © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Computing devices § § § Personal computer (PC) Server Laptop Tablet Games console Other programmable digital devices © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Personal computer (PC) § General-purpose computer § Used for offices, homes, gaming © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Server § Powerful computer with lots of RAM and lots of disk space § Used to run and control a network § Often has duplicated parts inside so the network can keep running even if a component, such as a hard drive, fails © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Laptop § General purpose ‘all-in-one’ computer § Good for moving to different places § Lots of business people use laptops as they can take work to another place § Usually have Wi-Fi built in for internet connections in hotels, cafes etc. © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Tablet § Uses a touch screen for inputs § Now very popular because of the Apple i. Pad § Usually has Wi-Fi and/or 3 G built in for internet connections © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Games console § Specialised computer for playing games § Usually has a controller for input § Usually can connect to the internet for multi-player gaming © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Programmable digital devices § There are many types of the devices that can be programmed for different tasks § Raspberry Pi is a low-cost and very flexible programmable digital device § Most programmable digital devices are used for control in systems such as a burglar alarm or a car’s enginemanagement system © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Input devices § How many input devices can we identify? © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Input devices § § § § Keyboard Mouse Sensors Touch screen Microphone Scanner Digital camera © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Keyboard and mouse § Keyboard and mouse are standard on most PCs for data entry and controlling the computer § Laptops usually have a built-in keyboard with a touchpad for mouse control. You can usually add a keyboard and/or mouse to a laptop using USB © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Sensors § Sensors are used in many automated systems for input § Sensors can detect distance, movement, temperature, pressure, light, etc. © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Touch screen § A touch screen is both input and output § Used on many modern phones, tablets and controls such as bank ATM machines for withdrawing money © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Microphone § A microphone can be used to input sound into a computer § Most PCs do not have one, so a microphone would need to be plugged in to record sound § Most laptops do include a microphone, but they are often poor quality and a lot of people prefer to plug in a better microphone © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Scanner § Scanners are used to copy photographs and documents into a computer system § Most scanners attach using USB © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Digital camera § Digital cameras are used to take photographs which are to be used in computer systems § Most cameras have a memory card slot where a storage card, e. g. SD, can be inserted to hold the photographs § Some cameras have a Wi-Fi or Bluetooth radio connection for transferring photographic data to a computer system § Most cameras can connect with USB to a computer © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Output devices § How many output devices can we identify? © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Output devices § § § § Printers (inkjet, laser, impact) Speakers Force feedback devices Actuators Screens Projectors Robot arms Other control devices © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Inkjet printers § Inkjet printers are good, general-purpose printers § Usually produce good quality, near-photographic colour prints § Not very good for lots of printing or double-sided printing © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Laser printers § Laser printers are good, general-purpose printers § Often black and white but colour also available § Usually produce good quality, near-photographic colour prints § Good for lots of printing or doubled-sided printing © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Impact printers § Impact printers are fairly slow, noisy and low-quality printers § Can use multi-part stationery so several pages can be printed at once § Good for sales counters where both customer and shop copies are wanted © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Speakers § Speakers are used to get sound out of a computer § Sound can be warning beeps, spoken words or music © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Force feedback devices § Used to give the user more feel in what they are doing § Gaming controllers use this technology to make games more realistic § Medical remote surgery uses this to help the surgeon feel what they are doing © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Actuators § These are small motors controlled by a computer system, often in an automated process such as opening a valve to let more fuel into a heater when the temperature drops © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Screens § Used to see computer output § These are usually separate peripherals from the computer system § Laptops and tablets have built-in screens © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Projectors § Data projectors are used to show a computer display on a large surface, such as a smart board © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Robot arms § Robot arms are controlled by computer systems to do dangerous or repetitive tasks, such as on a production line © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Other control devices § Other control devices are used to make machines such as car engines or microwaves work more efficiently § The outputs from these devices usually control the machine containing the device © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Storage devices § How many storage devices can we identify? © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Storage devices § Solid state § Optical media § Magnetic media © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Solid state § SSD (solid-state drive) is a new technology that performs the same functions as a hard disk § SSD drives have no moving parts, so work faster than a hard-disk drive (HDD) § SSD is more expensive than HDD © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Optical media § Optical media use a laser beam to shine on a disk § The beam can be reflected or not reflected to hold a bit of information (1 or 0) § CD and DVD are both optical technologies © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Magnetic media § Hard-disk drives (HDD) use magnetic media as they hold data on a disk surface as millions of spots magnetised to North or South § HDD use a spinning disk to hold data, so are slower than SSD which have no moving parts © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Multifunctional devices § Touch screen § Input by touching the screen § Output from the screen display § Games controller § Input using the buttons § Output from vibrations to make game play more realistic © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.

BTEC First Information and Creative Technology Teaching and Assessment Pack Unit 2: Technology Systems Hardware devices § § § Computing devices Input devices Output devices Storage devices Multifunctional devices © Pearson Education Ltd 2012. Copying permitted for purchasing institution only.