BTEC IT- unit 1, Questions and answers, 100% Accurate, Graded A+

BTEC IT- unit 1, Questions and answers, 100% Accurate, Graded A+ What is a digital device? - -An electronic device that forms art of a computer system. Multifunctional Device (MFD's) - -Perform several functions often the MFD with have both input and output capabilities E.g. Force feedback games controller All in One (AIO) Printer/ scanner/ copier Force-feedback game controllers - -Series of controls for input e.g. joystick or direction keys to control movement, buttons to execute Movements like vibrations will be output from such devices- mirror an activity form the game AIO Printer- does a scanner input or output? - -Input AIO Printer- does a copier input or output? - -Input and output AIO Printer- does a printer input or output? - -Output Personal Computers (PCs) - -General purpose Vary in- size, processing power and capacity Can operate as stand alone machines Can be attached to a network Desktop PC or laptop PC - -Personal Computer Desktop computer- usually fixed position Relies on peripheral devices being attached- some integrated Standalone or networked Multipurpose Laptop - -Standalone or networked Multi purpose More portable than a PC Integrated devices Built in battery power Built in Wireless technologies (e.g. Bluetooth, WIFI) Mobile devices - -Smaller than other devices/easy to carry Vary in size Usually WIFI enabled Often multifunctional Battery Powered System on a chip- (CPU/GPU/RAM) - reduces power consumption. battery size Smart phone - -Mobile phone Multifunctional- telephone calls text messages applications (Apps) internet access WIFI/ Bluetooth Tablet Computers (Tablets) - -Vary in size Variety of manufacturers Touch screen/ Smart pen WIFI Hybrid (Laptop/Tablet) Servers - -Manages services/storage on a network Powerful - Storage capacity/ processing power/Memory Other devices on a network connect to it - Wired or wireless Cloud computing relies on servers that are in a spate geographical location to the user Entertainment systems - -Devices used for entertainment purposes TV Music Games Hard disk storage Internet access Smart TV - -TV with access to Internet On demand Services Streaming services Media player - -Internet access Allows downloading of TV shows, Films, podcasts etc. Games console - -Dedicated device Storage Internet Access Collaborative game play MP3 - -Devices to store and play back music and other media Digital Camera - -Still images Moving images Live stream images Very portable Can be integrated Can be fixed position Expandable memory (SD Card) Images can be transferred to other devices Navigation systems - -Satellite navigation (Sat. Nav.) Standalone device Some mobile devices have a Maps function that operate in a similar fashion Operates using GPS Operate real time maps Facility to obtain directions Data Capture and Collection systems - -Systems that gather data using means other than direct data entry Data might be entered as a result of another activity Minimal human intervention on the actual data capture Methods include:- Barcode scanner Optical Mark Recognition (OMR) Magnetic Ink Character Recognition (MICR) Communications Devices - -Moves data from one device to another Essential for networks and communications Wired/ Wireless Network interface card Router Wireless dongle Communications device- Network interface card - -Provides a unique IP address for the computer Makes the computer recognisable on a network Provides wire based connectivity for the computer to be attached to a network Communications device- Router - -Ensures data travel to the correct destination on a network Can be used to connect devices wirelessly Communications device- Wireless dongle - -Allows wireless connectivity in a device that doesn't have it built in Can be used to connect to a mobile phone provider Possibly becoming obsolete Personal use - -How an individual would use these devices Non work related environment Education and training - -Education- schools, colleges people- teachers, students, head teachers, parents Training- consider a non-educational establishment employees being trained in something Social - -How can IT devices be used to socialise with others