The slot on the motherboard
The housing
Fan
Heat sink
Pins (256?), Transistors (10 million?)
The housing
Fan
Heat sink
Pins (256?), Transistors (10 million?)
Saturday, 3 September 2011
Inside of the CPU
Power supply/fan & connectors
Motherboard
Bus
Edge connectors
Ports
Video card
Modem
Network card
Sound card
ROM
RAM
Slots
DIMM’s
Motherboard
Bus
Edge connectors
Ports
Video card
Modem
Network card
Sound card
ROM
RAM
Slots
DIMM’s
PC Parts
Monitor
Keyboard
Mouse
Speaker/headphone
Microphone
CPU
Front buttons
Backside ports, fan, slots, cables
Keyboard
Mouse
Speaker/headphone
Microphone
CPU
Front buttons
Backside ports, fan, slots, cables
Modem
Modem is output as well as input device at the same time. It receives the data (analog
signal) coming through telephone line, converts them to digital signals and sends them to
computer to which it is attached. It also receives the data from computer and changes it signal) coming through telephone line, converts them to digital signals and sends them to
to analog signals.
Classifying Memory/Storage
Electronic (RAM, ROM), magnetic (HD, FD, Tape), optical (CD, DVD)
Volatile (RAM), non-volatile (HD)
Direct access (RAM, HD), serial access (Tape)
Read/write (HD, RAM), read-only (CD)
Volatile (RAM), non-volatile (HD)
Direct access (RAM, HD), serial access (Tape)
Read/write (HD, RAM), read-only (CD)
Memory/Storage
RAM
RAM (random access memory) is the place in a computer where the operating system,
application programs, and data in current use are kept so that they can be quickly
reached by the computer's processor. RAM is much faster to read from and write to than
the other kinds of storage in a computer, the hard disk, floppy disk, and CD-ROM.
However, the data in RAM stays there only as long as your computer is running. When
you turn the computer off, RAM loses its data. When you turn your computer on again,
your operating system and other files are once again loaded into RAM, usually from your
hard disk.
Punch cards
A card on which data can be recorded in the form of punched holes.
ROM
ROM is "built-in" computer memory containing data that normally can only be read, not
written to. ROM contains the programming that allows your computer to be "booted
up" or regenerated each time you turn it on. Unlike a computer's random access memory
(RAM), the data in ROM is not lost when the computer power is turned off.
The ROM is sustained by a small long-life battery in your computer.
Hard disk
Hard disk is a computer storage device which saves and retrieves the data when
required. Its capacity is much greater than the computer memory (RAM, ROM). Data on
hard disk is stored and retrieved from electromagnetically charged surface. Today we can save huge amount of data on a single hard disk. Now hard disks can
contain several billion bytes.
Floppy disk
A diskette is a random access, removable data storage medium that can be used with
personal computers. The term usually refers to the magnetic medium housed in a rigid
plastic cartridge measuring 3.5 inches square and about 2 millimeters thick. Also called a
"3.5-inch diskette," it can store up to 1.44 megabytes (MB) of data.
Tape
In computers, tape is an external storage medium, usually both readable and writable,
can store data in the form of electromagnetic charges that can be read and also erased. A
tape drive is the device that positions, writes from, and reads to the tape.
CD
A compact disc [sometimes spelled disk] (CD) is a small, portable, round medium for
electronically recording, storing, and playing back audio, video, text, and other
information in digital form.
DVD
DVD (digital versatile disc) is an optical disc technology that is expected to rapidly
replace the CD-ROM disc (as well as the audio compact disc) over the next few years.
The digital versatile disc (DVD) holds 4.7 gigabyte of information on one of its two
sides, or enough for a 133-minute movie
RAM (random access memory) is the place in a computer where the operating system,
application programs, and data in current use are kept so that they can be quickly
reached by the computer's processor. RAM is much faster to read from and write to than
the other kinds of storage in a computer, the hard disk, floppy disk, and CD-ROM.
However, the data in RAM stays there only as long as your computer is running. When
you turn the computer off, RAM loses its data. When you turn your computer on again,
your operating system and other files are once again loaded into RAM, usually from your
hard disk.
Punch cards
A card on which data can be recorded in the form of punched holes.
ROM
ROM is "built-in" computer memory containing data that normally can only be read, not
written to. ROM contains the programming that allows your computer to be "booted
up" or regenerated each time you turn it on. Unlike a computer's random access memory
(RAM), the data in ROM is not lost when the computer power is turned off.
The ROM is sustained by a small long-life battery in your computer.
Hard disk
Hard disk is a computer storage device which saves and retrieves the data when
required. Its capacity is much greater than the computer memory (RAM, ROM). Data on
hard disk is stored and retrieved from electromagnetically charged surface. Today we can save huge amount of data on a single hard disk. Now hard disks can
contain several billion bytes.
Floppy disk
A diskette is a random access, removable data storage medium that can be used with
personal computers. The term usually refers to the magnetic medium housed in a rigid
plastic cartridge measuring 3.5 inches square and about 2 millimeters thick. Also called a
"3.5-inch diskette," it can store up to 1.44 megabytes (MB) of data.
Tape
In computers, tape is an external storage medium, usually both readable and writable,
can store data in the form of electromagnetic charges that can be read and also erased. A
tape drive is the device that positions, writes from, and reads to the tape.
CD
A compact disc [sometimes spelled disk] (CD) is a small, portable, round medium for
electronically recording, storing, and playing back audio, video, text, and other
information in digital form.
DVD
DVD (digital versatile disc) is an optical disc technology that is expected to rapidly
replace the CD-ROM disc (as well as the audio compact disc) over the next few years.
The digital versatile disc (DVD) holds 4.7 gigabyte of information on one of its two
sides, or enough for a 133-minute movie
Many Types of Ports
Parallel
An interface on a computer that supports transmission of multiple bits at the same time;
almost exclusively used for connecting a printer. On IBM or compatible computers, the
parallel port uses a 25-pin connector.
Serial
It is a general-purpose personal computer communications port in which 1 bit of
information is transferred at a time. In the past, most digital cameras were connected to
a computer's serial port in order to transfer images to the computer. Recently, however,
the serial port is being replaced by the much faster USB port on digital cameras as well as
computers.
SCSI
A port that's faster than the serial and parallel ports but slower and harder to configure
than the newer USB port. Also know as the Small Computer System Interface.
A high-speed connection that enables devices, such as hard-disk drives and network
adapters, to be attached to a computer.
USB
USB (Universal Serial Bus) is a plug-and-play hardware interface for peripherals such as
the keyboard, mouse, joystick, scanner, printer and modem. USB has a maximum
bandwidth of 12 Mbits/sec and up to 127 devices can be attached. With USB, a new
device can be added to your computer without having to add an adapter card. It typically
is located at the back of the PC
Firewire
FireWire is simply a really fast port that lets you connect computer peripherals and
consumer electronics to your computer without the need to restart. It is a simple
common plug-in serial connector on the back of your computer.
It has the ability to chain devices together in a number of different ways without
terminators for example, simply join 2 computers with a FireWire cable for instant high-
speed networking.
An interface on a computer that supports transmission of multiple bits at the same time;
almost exclusively used for connecting a printer. On IBM or compatible computers, the
parallel port uses a 25-pin connector.
Serial
It is a general-purpose personal computer communications port in which 1 bit of
information is transferred at a time. In the past, most digital cameras were connected to
a computer's serial port in order to transfer images to the computer. Recently, however,
the serial port is being replaced by the much faster USB port on digital cameras as well as
computers.
SCSI
A port that's faster than the serial and parallel ports but slower and harder to configure
than the newer USB port. Also know as the Small Computer System Interface.
A high-speed connection that enables devices, such as hard-disk drives and network
adapters, to be attached to a computer.
USB
USB (Universal Serial Bus) is a plug-and-play hardware interface for peripherals such as
the keyboard, mouse, joystick, scanner, printer and modem. USB has a maximum
bandwidth of 12 Mbits/sec and up to 127 devices can be attached. With USB, a new
device can be added to your computer without having to add an adapter card. It typically
is located at the back of the PC
Firewire
FireWire is simply a really fast port that lets you connect computer peripherals and
consumer electronics to your computer without the need to restart. It is a simple
common plug-in serial connector on the back of your computer.
It has the ability to chain devices together in a number of different ways without
terminators for example, simply join 2 computers with a FireWire cable for instant high-
speed networking.
What is Port?
On computer and telecommunication devices, a port (noun) is generally a specific place
for being physically connected to some other device, usually with a socket and plug of
some kind. Typically, a personal computer is provided with one or more serial ports and
usually one parallel port.
for being physically connected to some other device, usually with a socket and plug of
some kind. Typically, a personal computer is provided with one or more serial ports and
usually one parallel port.
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