Desktop Computer - Know it Better

Desktop computers, a type of micro computer, fitserial bus, Ethernet, Modem, Headphone, Serial,
on a desktop and are used widely in offices andParallel, PS/2, VGA, Power connection, Fire wire, and
home. Personal computers or home computers,Card reader.
workstations, internet servers and specialYou should surf the internet to check for detail
communications computers are four types ofguides available before purchasing a desktop
desktop computers used. Desktop computers arecomputer. A few important points are listed here
widely used in household, schools, business as thesewhich may help you to have an informed purchasing
computers are very cheap.decision:
The desktop computers are normally modular and itsProcessors (CPUs): It is a very difficult choice to
components can be easily upgraded or replaced.make between an Intel processor and an AMD. The
These are available in elegant case styles. They aremain difference comes in the relative speed and
used for carrying various tasks like organizing digitalnumber of cores in the processor. You should refer
photos, office tasks, editing of video and accessingfor the detail information on this in the internet sites.
Internet.Memory (RAM): It is best to have at least 1 GB
Micro Instrumentation Telemetry System (MITS)memory system and older DDR memory standard
8800 offered the first desktop type system in 1975.should be avoided. For better performance, faster
The launch of this variety of computer encouragedmemories are must and ensure that future upgrades
scores of other companies to produce personalof memory are possible.
computers. In 1977, Tandy Corporation (Radio Shack)Hard Drives: 250 GB or more storage space is best
launched its model of personal computers having ato have in present days. Serial ATA interface is used
keyboard and CRT. In the same year thein most drives now for ease of installation.
Commodore PET and Apple II were also releasedOptical Drives (CD/DVD): Multiformat DVD burner
market and these are forerunners of today`swhich can support both +R/RW and -R/RW with a
Desktop computers.16x recordable speed are best to have in desktop
Introduction of IBM PC, in 1981 by IBM, was acomputers.
milestone in the field of Personal Computer. Based onVideo Cards: Integrated graphics is sufficient if you
Intel`s 8088 microprocessor, it became a successare not doing 3D graphics. The important things which
overnight. The introduction of a 16 bit microprocessoryou should consider are the memory capacity of the
paved way for more powerful and faster micros.card, version of Direct X supported, output
Also standardization in computer industry could beconnectors and the performance. For the purpose of
made as IBM PC used an operating system whichgames a Direct x 10 card with 256 MB memory
was available to all the computer manufacturers.should be considered.
Apple Mac PC using Motorola 68000 is another seriesExternal Connectors: Instead of internal cards,
of 32 bit popular personal computers launched byexternal interfaces are preferred now for various
Apple in 1984.upgrades and peripherals to computers. IEEE 1394 or
A modern desktop computer consists of DisplayFireWire points and USB 2.0, both should be present
Motherboard, CPU, Primary storage (RAM), Expansionin a desktop computer.
cards, Power supply, Optical disc drive, SecondaryMonitors: These days LCDs are more popular than
Storage(HDD), Keyboard, Mouse.CRTs. This is because they have less power
All the desktop computers come with ports whichconsumption and have reduced size. Also traditional
allow plugging different external devices into theaspect ratio of 4:3 is being replaced by wider display
computer viz, keyboards, monitors, scanners,screen and prices of 20-22 inch models are
printers.The different type of ports are Universaldecreasing.