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TYPES OF COMPUTER SYSTEMS (TABLET (Internet-enabled portable computer…
TYPES OF COMPUTER SYSTEMS
PC (personal computer) COMPUTER
The monitor is separeted from the keyboard, mouse and processor unit.
Its computer system is
IBM-compatible
.
Advantages (compared to laptop)
They won´t be damaged because they are always in the same place.
Better dissipation of heat, due to larger casings.
Better relation between the price and the specifications that offers.
Internet would be more stable because they are in the same place all the time.
Low cost due to cheaper spare parts and connections.
Larger keyboard makes it easier to use.
disadvantages (compared to laptop)
Not very portable (separated and heavy components) .
Difficult computer system because its components need to be carried around with you and then connected to the computer by wires connection.
Not much space in the desk.
Need power supply all the time because it doesn't use batteries.
Need to copy files if you have to go to another location.
LAPTOP
The monitor of the computer is joined together with the keyboard, mouse, pointing device and processor.
Advantages (compared to PC computers)
Portable ( small size and lightweight, you can use the battery when you don't have a power supply, its components are not separated).
Battery lasts a long time because of its low-power usage.
No trailing wires.
You can use WI-FI everywhere
Can connect in any multimedia system.
Can take the information with you, no need to copy files.
Disadvantages(compared to PC computers)
Easy to steal.
Limited battery life.
Small keyboard that can be difficult to use.
Generates more heat than PC because they are compact computers.
TABLET
Internet-enabled portable computer
which uses
touch-screen technology
.
Advantages
Simple and doesn't need input devices.
Can use apps as standard.
Portable because of its small size and lightweight.
Doesn't produce heat.
When the tablet is turned off it goes in standby but it is connected to the internet so the user can hear notifications.
Very fast to switch on.
Longer battery life than laptop.
Two cameras, one at the front and one at the back, that allow users to capture photos everywhere.
Bluetooth.
Display with high definition.
-Proximity sensors to detect if the tablet is near something.
-Accelerometer sensors which detects movements and orientations.
-Sensors of speech- recognition systems to allow the user to ask the tablet to search for something.
Flash memory and storage tools to back-up and synchronize data sources.
Disadvantages
More expensive to run if it use it 3G/4G/5G.
Transferring of files has to be made from "App Store".
Has limited storage.
Type in a tablet can be error-prone and slow.
Less capacity to use different types of software and have less files and formats than laptop.
PHABLET
Hybrid between tablet and smartphone.
It is a tablet that has slots for
SIM
cards to make phone calls.
SMARTPHONE
Phone with computer applications.
Advantages
Can be used almost in any place.
Phone calls and internet on the move.
Many apps that give functions.
Functions
Word processing and spread sheet connection activity.
Calendar.
Send and receive emails.
Bluetooth.
Transmission of videos and music.
Digital cameras.
Access to social networks.
Have location.
Telephone booking .
Voice when using internet.
Messaging.
Sound recorders.
Surf the net.
Small size and lightweight.
Long battery life compared to laptop.
Practical to use for phone calls and text messaging.
Disadvantages
Surfing in the web and taking photos can consume the battery faster.
Not much memory.
Some websites characteristics aren't compatible with OS.
Easy to steal.
Slow data transfer rate.
Small screens that can be difficult to see ant type in the keyboards.
SMARTWATCH
Mini computer
which has the same functions as smartphones and uses organic light-emitted diode
(OLED)
technology( solar power and light waves
(Li-Fi)
).
It uses touch-screen
technology
and it can also be linked to smartphones by
bluetooth
.
Advantages
People look at their notifications in their wrist.
Very easy to use for monitoring fitness and health life.
Internet connectivity.
GPS
Make and take phone calls
Messaging.
Weather forecast.
Disadvantages
Uncomfortable because they are big and bulky.
Not so beautiful so many people don't buy it.
Difficult to read and use the keyboard because of its small screen
MAINFRAME COMPUTERS
Used to do comercial applications so many data is
processed.
Features
Many CPUs.
Fast processor.
Can have many OS.
A lot of internal memory and storage capacity.
Operate time sharing or batch processing.