Model 3 Quiz

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If you press the key corresponding to letter A on the keyboard, what process is carried out inside the CPU to display the letter on the screen?

'A' is converted to binary code, which the CPU processes. The computer then converts the code back 'A' for display.

Which CPU clock speed is fastest?

3 GHz

Which of the following refers to a condition in which the CPU performs well but the bus speed is slow?

Bottlenecking

Which computer component is primarily responsible for converting input (data) into meaningful output (information)?

CPU

Ariel is shopping for a laptop. He's having trouble deciding among between three options that all have good reviews and fall within his budget. How can Ariel compare the performance potential for each of his top three options?

Check benchmarking information online.

Which of the following devices is the easiest to upgrade, such as by adding RAM?

Desktop computers

What kind of device is the camera on a smartphone?

Input

Leslie is traveling for a business trip. The first night in her hotel room , she plugged her phone's power cable into the USB outlet on the bedside lamp. The next morning when she tries to turn on her phone, the screen is blank. What is the best next step to address this problem?

Plug the phone into a wall outlet to recharge the phone.

Which type of memory is permanently installed on your computer and attached to the motherboard?

Read-only memory (ROM)

What does it mean to restore a computer?

Revert all operating system settings back to their defaults.

Alex needs to email his graduation certificate to a prospective employer. He has only physical copies of the certificate. What device could he use to create an electronic copy of the certificate?

Scanner

Peripheral devices, like a USB flash drive, are generally connected to your computer through ports.

True

What is the first step to performing hardware maintenance?

Turn off the computer and remove its power source.

What is the most common type of storage device for transferring files from one computer to another?

USB Flashdrive

Which of the following is a necessary step in maintaining computer hardware?

Using a UPS or a surge processor

Which of the following is classified as input device?

Webcam A webcam is a camera type of input device.

When should a user consider restoring the operating system?

When programs or apps do not start properly

Jennifer turns on her laptop and hears a series of beeps. What do they probably indicate?

internal hardware problem

Which type of a computer can be assembled using a monitor, a keyboard, a CPU, speakers, a printer and a mouse?

A desktop computer

You've just signed a document for an insurance settlement, and you need to mail it back to the insurance company. However, you want to keep an electronic copy of it for yourself. Which device would best help you do this?

Scanner


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