5 Unit 1: Self-test
Find answers to this self-test at the back of the book: Answers for Self-Tests
True or false
- A system unit includes the motherboard, CPU, RAM, hard drive, expansion cards, power supply, etc.
- A hard drive a computer’s central structure that connects the different parts of a computer together.
- All information that was stored in RAM is erased when the computer is turned on.
- A keyboard is an output device that allows a user to enter characters into a computer.
- Blogs are written and updated by bloggers. They write about their opinions and thoughts.
- Computer can help business to start, run, manage, and grow.
Fill in the blank
- The [blank] is the main part of a desktop computer.
- CPU is the abbreviation for [blank].
- RAM is a type of data storage used in computers that [blank] stores programs and data.
- Computer [blank] is a display screen used to display information processed by a computer.
- USB stands for [blank].
- When you save data or install programs on your computer, the information is written to the [blank] disk.
- [Blank] is a telephone connection over the Internet. It allows users to make calls over the Internet.
- Disk drive is a hardware that stores and retrieves information, data, files, programs, etc. that are used by your computer. The drive is often referred to by the [blank].
Multiple choice
- The [blank] is often referred to as the brain or engine of a computer.
- CPU
- motherboard
- RAM
- system unit
- Which of the following is one of the common names used for CPU?
- processor
- central processor
- microprocessor
- all of the above
- Which of the following is one of the common names used for USB drive?
- flash drive
- pen drive
- USB stick
- all of the above
- A [blank] is a small flat surface on a laptop or other computer that does the same things as a mouse.
- flash drive
- trackpad
- USB stick
- RAM
- Popular social media websites:
- all of the above
- Computers play a crucial role in science/engineering, such as:
- simulating experiments
- patient monitoring
- diagnostic databases
- all of the above