Troubleshooting Computer Problems and Networking Quiz

Interrupt Controller and Power Supply

• The Programmable Interrupt Controller (8259) is responsible for handling interrupts generated by peripheral devices.
• The main function of a Switch Mode Power Supply (SMPS) is to provide efficient and regulated power supply to the system.

Troubleshooting Units

• The Input/Output (I/O) unit is responsible for troubleshooting problems in the keyboard and mouse.
• The Peripheral Unit is responsible for troubleshooting problems in the display, HDD, CDROM, FDD, sound, keyboard, mouse, printer, and modem.
• The Motherboard and Visual Display Unit is responsible for troubleshooting problems in motherboards and visual display units.

Network Types

• The two main types of networks discussed in the text are Local Area Network (LAN) and Wide Area Network (WAN).

Media Types

• The different types of media discussed in the text are Optical, Coaxial, Twisted Pair, and Fiber Optic.
• Fiber Optic media has the highest bandwidth.