DEVICES 1

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A DIGITAL DEVICE IS A PIECE OF PHYSICAL EQUIPMENT THAT USES DIGITAL DATA, THEREFORE IT SENDS, RECEIVES, STORES AND PROCESSES DATA.

DIFFERENT TYPES OF DIGITAL DEVICES:

- PERSONAL COMPUTERS

- SERVES

- MOBILE DEVICES

- ENTERTAINMENT SYSTEMS

- NAVIGATION SYSTEMS

PERSONAL COMPUTERS

IT CONTAINS:

- INDIVIDUAL PROCESSORS

- RAM

- HARD DISK

- EXPANSION PORTS

USES: GENERAL PURPOSE, THEY CAN PERFORM MOST COMMON COMPUTING TASKS.

- WORKPLACE: USED FOR WORD PROCESSING, DESKTOP PUBLISHING, SPREADSHEETS AND DATABASE MANAGEMENT SYSTEMS (MICROSOFT OFFICE)

- GOOD PROCESSING CAPABILITIES

- WIDE RANGE OF AVAILABLE INPUT DEVICES

- ACCESSING THE INTERNET

- GAMING (EXPENSIVE GAMING CARD NEEDED)

SERVERS

A COMPUTER THAT MANAGES ACCESS TO DIFFERENT RESOURCES AND SERVICES OVER A NETWORK.

PERSONAL COMPUTER CONNECT TO A SERVER USING ETHERNET CABLES OR WI-FI, HOWEVER COMPUTERS CAN ACCESS DATA OR FILES WHICH ARE STORED IN THE SERVER DEPENDING ON THE TYPE OF HE SERVER.

SERVERS ARE SIMILAR TO PERSONAL COMPUTERS, HOWEVER SERVERS HAVE A LARGER STORAGE CAPABILITY AND HIGHER PROCESSING POWER AND LARGER AMOUNT OF MEMORY.

TYPES OF SERVERS:

- WEB

- MAIL

- FILE

- PRINT

WEB SERVERS:

- USED TO MANAGE ACCESS TO WEB PAGES

- STORES THE WEB PAGE AND ASSOCIATED FILES

MAIL SERVERS:

- USED TO MANAGE ACCESS TO EMAIL

- EMAIL WHICH ARE SENT FIRST GO TO THE OUTGOING MAIL SERVER, THEN THE EMAIL IS SENT ACROSS THE NETWORK TO THE RECIPIENTS MAIL SERVER WHERE IT IS STORED IN THEIR MAIL BOX.

- WHEN THE EMAIL CLIENT REQUESTS THE MAIL THE MAIL SERVER WILL FORWARD THE EMAIL TO THEIR COMPUTER.

FILE SERVERS:

- LETS YOU ACCESS WORD PROCESSING DOCUMENTS AND SPREADSHEETS FROM ANY COMPUTER ON THE NETWORK.

EXAMPLE: CLOUD STORAGE

PRINT SERVERS:

- USED TO SHARE ACCESS TO A PRINTER

- PRINT SERVER LETS YOU SEND FILES TO PRINT FROM ANY COMPUTER.

- DON'T NEED TO LOG IN TO ANY COMPUTER OR HAVE A PRINTER FOR EVERY COMPUTER (VERY EXPENSIVE)

MOBILE DEVICES

A COMPUTER DEVICES THAT IS DESIGNED TO BE PORTABLE BY BEING COMPACT, LIGHT-WEIGHT AND CAPABLE OF RUNNING FOR EXTENDED PERIODS ON BATTERY POWER.

FEATURES:

- WIRELESS CONNECTION

- SYSTEM-ON-A-CHIP, WHICH MAKES THE DEVICE MORE COMPACT AND REDUCES POWER CONSUMPTION (CPU, GPU AND RAM), HOWEVER IT MAKES IT DIFFICULT TO UPGRADE THE DEVICE SINCE THE COMPONENTS ARE INTEGRATED.

USES:

- ACCESS THE INTERNET WHILE ON THE GO FOR WEB BROWSER AND EMAIL ACCESS.

- PLAYING GAMES

- ORGANISATIONAL FUNCTIONS (DAIRY OF EVENTS)

- NOT PRACTICAL FOR TASKS LIKE WORD PROCESSING DUE TO TOUCHSCREEN

- NOT PRACTICAL FOR GRAPHICALLY INTENSIVE TASKS LIKE HIGH END GAMING AND FILM EDITING.

ENTERTAINMENT SYSTEMS

COMPUTING DEVICES THAT ARE DESIGNED TO ENTERTAIN

FEATURES:

- GOOD HARD DISK STORAGE

- BUILT IN INTERNET CONNECTIVITY CAPABILITIES

USES:

- USED IN THE HOME FOR ENTERTAINMENT

- DIGITAL MEDIA PLAYERS ALLOW US TO STREAM DIGITAL MEDIA

EXAMPLE:

- MP3 OR MP4

- APPLE TV AND ROKU

- VIDEO GAME CONSOLES

NAVIGATION SYSTEMS

DIGITAL DEVICE THAT USES GPS TO PROVIDE A REAL-TIME MAP OF OUR CURRENT LOCATION, INCLUDING ROUTE PLANNING TOOLS TO GIVE US DIRECTIONS TO A CHOSEN DESTINATION.

USES:

- IN-CAR SATNAVS ARE INTEGRATED INTO CARS DASHBOARDS, BUT IS OFTEN IN A STANDALONE DEVICE.

- NAVIGATION SYSTEMS BUILT INTO SMARTPHONES TO BE USED IN COMMON ACTIVITIES.