Exam (elaborations)
BTEC IT- unit 1.Questions and answers graded A+
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Exam of 6 pages for the course btec at btec (BTEC IT- unit 1)
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BTEC IT- unit 1What is a digital device? - answerAn electronic device that forms art of a computer
system.
Multifunctional Device (MFD's) - answerPerform 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 - answerSeries 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? - answerInput
AIO Printer- does a copier input or output? - answerInput and output
AIO Printer- does a printer input or output? - answerOutput
Personal Computers (PCs) - answerGeneral 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 - answerPersonal Computer
Desktop computer- usually fixed position
Relies on peripheral devices being attached- some integrated
Standalone or networked
Multipurpose
Laptop - answerStandalone 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 - answerSmaller 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 - answerMobile phone
Multifunctional-
telephone calls
text messages
applications (Apps)
internet access
WIFI/ Bluetooth
Tablet Computers (Tablets) - answerVary in size
Variety of manufacturers
Touch screen/ Smart pen
WIFI
Hybrid (Laptop/Tablet)
Servers - answerManages 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 - answerDevices used for entertainment purposes
TV
Music
Games
Hard disk storage
Internet access
Smart TV - answerTV with access to Internet
On demand Services
Streaming services
Media player - answerInternet access
Allows downloading of TV shows, Films, podcasts etc.
Games console - answerDedicated device
Storage
Internet Access
Collaborative game play
MP3 - answerDevices to store and play back music and other media
Digital Camera - answerStill images
Moving images
Live stream images
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