CHAPTER 1 Module 2 Unit Exam: Computer Components and Hardware

what units are used to represent data transfer rates?

Mb/s

which computer component provides electricity to the computer?

Power supply

select all that apply. Mobile devices usually:

are optimized for performance. have components that are integrated to save space. are powered by batteries.

you're giving a presentation for work, and you plug your laptop into the projector. the projector screen flickers and then goes completely dark. what is the first thing you should check to troubleshoot the problem?

inspect the cables connecting the projector to your laptop.

what is the function of a cache on a computer?

it stores recently or frequently accessed data.

data needs to move quickly between the CPU, RAM, and video card for smooth performance. on a motherboard, which component specifically manages this high-speed data flow?

northbridge

which type of storage device is generally considered more durable due to the lack of moving parts?

solid state drive (SSD)

what does it mean that RAM is volatile?

the data stored in RAM is cleared when the device is turned off

why might someone choose to upgrade their computer's storage? select all that apply.

they want their computer to boot up and load programs faster. they are running out of space to store their files.

which of the following can cause damage to rechargeable batteries? select all that apply.

very hot environments. using the wrong charger. very cold environments.