The document discusses different types of computers categorized by processor, field of use, data processed, and form. There are mainframe computers, mini computers, personal computers, and supercomputers categorized by processor. Computers are also generalized as general purpose or special purpose based on field of use. The types based on data processed are analog computers, digital computers, and hybrid computers. Finally, computers come in the forms of desktops, towers, portables, laptops/notebooks, sub-notebooks, and palmtops. In total there are many different ways computers can be classified and defined based on their processing power, intended use, data handling abilities,
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An output device is any peripheral that receives data from a computer, usually for display, projection, or physical reproduction. For example, the image shows an inkjet printer, an output device that can make a hard copy of any information shown on your monitor.
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Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
2. Mainframe Computer Mini Computer Personal Computer Supercomputer General Purpose Computer
Special Purpose Computer Analog Computer Digital Computer Hybrid Computer
Desktop Computer
Tower Computer Portable Computer Computer Laptop /
Notebook
Sub Notebook Computer Palmtop Computer
3. Computers are tools used to process the data according to the
procedures that have been formulated.
Computer word originally used to describe people who perform
arithmetic calculations with or without tools, but the meaning of
the word is then transferred to the machine itself.
If in view of computer history, by definition, a computer translates
as a set of electronic tools that work together, be able to receive data
(input), data processing (process) and provide information (output)
as well as coordinated under the control of programs stored in its
memory.
There are many different types of computers. Types of computer by
some professionals are classified into several viewpoints, among
others:
4. 1. Based On Processor
A. Mainframe Computer
This type of computer processor has the ability to
use very large and is intended for multi-user. By
using time-sharing technology, the effect is not
so perceived by the user.
This type of computer has a Central Processing
Unit, Storage Device rather large (approximately
2 wardrobe) and placed in a separate place.
Mainframe has an advantage not only in the
speed of data processing, but also compatibility
with a wide range of applications and also
toughness.
This machine can work for long periods without
interruption at all. This factor is the reason for
the company to use the mainframe. The cost to
be borne will be very large when the machine
stops running daily operations.
5. B. Mini Computer
The capacity of processor used is almost the
same as the mainframe, only the number of
terminals that can be connected to the
computer to not as much as on the type of
mainframe computers.
The number of terminals that can be
connected only dozens. Hence the mini
computer is only suitable for middle-class
companies that are not so big and not too
small. The physical size of the computer is
not as big mainframe computers.
6. C. Personal Computer (PC)
Type of processor used ability is not so big
compared to the mainframe computer. This
computer is intended for a user. By the
usefulness of this type of computers, they are
called personal computers or Personal
Computer (PC).
PC Abbreviation of "Personal Computer" PC is
what most of us use every day for work or
personal use. A PC generally includes a system
unit, monitor, keyboard, and mouse. Most PCs
today also have a network or Internet
connection, as well as ports for connecting
peripheral devices, such as digital cameras,
printers, scanners, speakers, external hard
drives, and other components.
7. D. Supercomputer
It is a specially designed computer and a
machine that is very expensive. This
computer can analyze and visualize a process
or phenomenon that is not visible.
Supercomputer is a very high-speed
manipulator numbers that are used primarily
for scientific applications and engineering.
The new generation of supercomputers is
different from the conventional mainframe
computer in the use of parallel processing. A
business computer process commands one by
one in a single CPU.
Parallel processing includes the use of
thousands of small CPUs for simultaneous
processing parts of a math assignment that
has been broken down into many sub tasks.
8. 2. Based on Field Issues
A. General Purpose Computer
The computer is designed to solve a variety of
problems can use a variety of programs to solve the
kind of problems are different. Because the general
purpose computer is not designed for a particular
problem, then compared to the special-purpose
computer, speed is lower.
In 1943, the British completed a secret code-breaking
computer called Colossus to decode secret German.
The Colossus's impact influenced the development of
the computer industry because of two reasons. First,
Colossus is not a versatile computer (general-purpose
computer), it was only designed to decode secret
messages. Second, the existence of the machine was
kept secret until decades after the war ended.
9. B. Special Purpose Computer
Computers are being used to address a specific
problem types. Computers of this type usually
have loaded a special computer program, which
is usually used as control certain processes on
factory machinery, military necessity or medical
examination. Thus if the terms of the data that
is processed then this type of computers
typically use computer which has a hybrid
capability.
An example of a special purpose computer is a
machine test echocardiography or cardiac
ultrasound, or more commonly referred to as
Echo, an examination that provides an overview
of your heart being pulsed and can record
images perfectly, which can help your doctor to
evaluate your heart health , Cardiac ultrasound
types most commonly used type of non-invasive,
and very easy on the patient.
10. 3. Based On Data Processed
Computer classified into 3 categories: analog
computer, digital and hybrid. Each has
characteristics and a slightly different way of
working.
A. Computer Analog
Computer Analog is a term used to describe a
computing tool that works on the level of analog.
Level analogue here is the opponent (dual) of the
digital level, which is where the digital level is a
voltage level of 'high' (high) and 'low' (lower),
which is used in the implementation of binary
numbers.
Basically, the electronic components are used as
the core of an analog computer is the op-amp
(operational amplifier).
11. B. Digital Computer
Digital Computer is a computer machine
created to process data that is quantitative in
the form of numbers, letters, punctuation
and others. Which the process is
implemented based on technology that
converts the signal into a combination of the
numbers 0 and 1.
This computer is the computer that most of
what we know. Data received is data that is
already in the form of digital data. While the
function is used to process the data that is
quantitative in the form of numbers, letters,
punctuation and others.
12. C. Computer Hybrid
Hybrid computer is a type of computer that
is destined for processing data, both
quantitative and qualitative in nature, or
with another term combines the capabilities
of a digital to analog.
In other words, quantitative data are
processed to produce data on the qualitative
and vice versa.
13. 4. Based On Forms
A. Computer Desktop
Physical size is rather small, usually suitable to be
placed on the table. Even now developed forms of
desktop computers are getting thinner known as
shape slim desktop.
The desktop form usually comes with plenty of space
called expansion slot as a place for an additional card.
B. Computer Tower
The size is relatively larger than the computer
desktop type, suitable to be placed on the side or on
the table.
Computer Tower has room for more slot expansion.
14. C. Portable Computer
Physical size is slightly smaller than the desktop and
tower computers. All parts together are formed for
easy to carry anywhere. This type of computer was
created for people who often work from moving
around the field. Freely portable means easy to carry.
This is the first portable computer, weighing 55
pounds that was named IBM Portable PC with model
number 5100:
First introduced: September, 1975
CPU: IBM 1.9MHz
RAM: 16K, 64K max
Display: 5-inch mono-chrome monitor (64 X 16 text)
Storage: 200K internal tape (DC300)
Port: tape / printer I / O port
OS: APL and / or BASIC
15. D. Computers Laptops / notebooks
It is a computer with a physical size
which can lap, smaller than portable
computers, notebook computers all
components are made together.
E. Sub Notebook Computers
The size of the paper A4, a thickness of
about 5 cm, sub-notebook computers
are still being developed to shrink the
size.
16. F. Palmtop Computer
This computer is made to be gripped, when
compared with the size of the cassette
approximately videotape beta.
For the electrical current in the palmtop
computer usually obtained through the
battery.
Source: google, wikipedia, & more
17. Task in 20 minutes:
1. What is a computer?
2. How many types of computer? Mention types of
computer based on each category!
3. Which types of computer are you familiar with?
4. Make summary of today’s meeting!