CS Unit 3 Post test

What is the first thing you should check if your computer won't start?

• Power cables

• Internet connection

• Keyboard

• Monitor

Which of the following BEST describes a Hertz?

• The most basic unit of information in computing and digital communication.

• The language a computer understands.

• The measurement of how many times a repeating process happens per second.

• Many wires working together to send or receive information.

What is the main reason that everything must connect to the motherboard?

• To send information to memory

• To send information to the CPU

• To send data to the monitor

• To send information to the hard drive

Which of the following resolutions displays the sharpest image?

• 1280 x 1024

• 1920 x 1200

• 1680 x 1050

• 1600 x 1200

What should you touch to remove static electricity from your skin when working with a computer?

• The workbench wood top.

• The computer's metal power supply.

• Any rubber object.

• The computer's plastic case.

Which of the following is an input device?

• Digital camera

• Speaker

• Digital projector

• Printer

What device is used to digitize sound?

• A CPU

• A video card

• A GPU

• A sound card

If you notice the internal battery on your device is bulging, what is the first thing you should do?

• Make sure the device is securely connected.

• Contact the manufacturer.

• Try a different adapter.

• Stop charging the device.

Which connection port is available on many different devices, like Smart TVs, game consoles, and home theater systems?

• DVI

• DisplayPort

• HDMI

• VGA

Where does the CPU store the information when you start a program?

• In persistent memory

• On the hard drive

• In random access memory

• In the video card memory