HARDWARE. Rashedul Hasan. HARDWARE. Hardware is the Tangible part/s of the computer. Along with the Processor, RAM, CD-ROM and Input & Output devices, it includes, Motherboard Power Supply Graphics card Sound card Modem. Motherboard.
Hardware is the Tangible part/s of the computer. Along with the Processor, RAM, CD-ROM and Input & Output devices, it includes,
A port is a connecting socket.
Classification of Ports:
for example, adding one more RAM.
for example, changing to more powerful processor.
Use of MODEM
because telephone lines have traditionally been analog, we need to use modem if our computer is to send signals over a telephone line. The modem converts the computer’s digital signals into telephone line’s analog signals and analog signals back into digital signals.
Modem means Modulator demodulator.
Modems are rated by their speed in moving data from the computer to the telephone line. This speed is measured in bits per second (bps). Standard modern modems are rated at 28,800 bps, 33,600 bps and 56,400 bps.