Comp TIA A+ Certification

1) What is a benefit of attaining the A+ certification?

A benefit of attaining A+ certification is showing employers that you have the latest skills needed by today's computer support professionals.

2) How can you protect computer components from ESD?

You can protect your computer components from ESD by using an Antistatic wrist strap which discharges static into the ground.

3) How is the heat generated by a CPU dissipated?

The heat generated by a CPU is dissipated by being absorbed into a heat sink which is cooled by a fan that replaces the hot air with cold air.

4) Give an example of a make and model of a CPU including potential performance measurement and package type.

Intel Pentium 4 3.0 GHz 775-pin PLGA package type

1) How do you calculate the total number of watts your power supply should have? You calculate the total number of watts your power supply should have by finding out the minimum amount of watts it takes to make your computer run.

2) What are some typical voltage values of the connectors on a power supply? Typical voltage values of power supply connectors are 12V, 5V and 3.3V.

3) What are some computer components that are supplied power directly by the power supply?

Computer components that are supplied power by the power supply are Motherboard, Hard Drive, CPU, and cooling system.

4) Why are floppy drives disappearing from PCs?

Floppy drives are disappearing from PCs because they don’t hold enough space and are very fragile.

5) What are some common types of hard drives?

Some common types of hard drives are PATA, SATA and SCSI.

6) What is a clear way to tell a DB connector?

A DB connector is the connector with the trapezoidal shape that resembles the letter D.

7) What are RJ connectors used for?

RJ connectors are used for telephone line connections.

8) What are BNC connectors used for?

BNC connectors are used for amateur radio connections.

9) How many devices can you daisy chain from a USB port?