Understanding Basics: Computer Hardware

When you are troubleshooting, you should establish a plan of action before you test your theory.

• True

• False

The clock speed measures how many instructions a computer can execute in a 12-hour period.

• True

• False

The Network Interface Card (NIC) allows the computer to connect to a network in order to communicate with other devices.

• True

• False

If you wanted to know how many instructions a computer executes per second, which of the following numbers would you want?

• CPU power differential

• clock speed

• processor rating

• binary digitization

Which of these is the best analogy for the control unit in a CPU?

• a washing machine

• a refrigerator

• a traffic light

• a thermometer

Which of the following is the number of instructions that 2 Gigahertz CPU can execute in one second?

• 2 thousand

• 2 million

• 2 trillion

• 2 billion

Which of the following can be found on the motherboard?

• CPU, RAM, ROM

• keyboard, mouse, screen

• binary converter, hex converter, chip

• audio, video, USB

Which of the following can be a problem for CPUs?

• They create moisture.

• They create heat.

• They get very cold.

• They dry out the air.

If your computer won’t connect to the internet, which of these is most likely to be the problem?

• RAM

• ROM

• NIC

• USB

Mia is disappointed with how her latest video games are playing on her computer; the images are slow and grainy, and what she sees onscreen seems to lag behind what she is inputting through her controls. Which of these components does Mia most likely need to upgrade?

• USB

• IoT

• NIC

• GPU