A+ Core 1 study notes on Computers

A+ Certification : 220-1001

Memory  |  Display Adapters & Monitors   |  Floppy,CD-ROM & Hard Disk  |  CPU  |  Keyboard & Power Supply  |  Printers & Cables

Networking  |  Operating System  |  Computers  |  Motherboard  |  Security  |  Miscellaneous

10. computers

PDA: Handheld PCs are also referred to as Personal Digital Assistants (PDAs).

Laptops:

Normally, desktop processors consume higher power compared to laptop processors. Laptop processors are optimized for lesser power consumption, so that the heat produced is also less. This is to take care of poor ventilation conditions in a laptop computer.

General PC error codes and probable causes:

Some of the frequently encountered error codes and their corresponding error messages are given below:

Error Code

Error Message

161

CMOS battery failure: Replace the CMOS battery

164

Memory size error : If the error occurs after memory upgrade, run SETUP program.

201

Memory test failed : RAM chips failed, one or more may need to be replace.

301

Keyboard error: You may have to check the key board

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