Y5 - Computer Systems and Networks - Systems and searching

Name

1. Which of the following is an output device?

• A microphone
• A monitor
• A keyboard

2. Computer systems accept inputs, ________ them, and then produce outputs.

• process
• print
• clear

3. Which one of the following is managed by the computer system in a pedestrian crossing with sensors?

• a. The amount of times the button is pressed
• b. The number of cars in the queue
• c. The length of time the light takes to change

4. Automatic doors are used in many buildings; they open when you walk towards them. This system has been designed to help people because:

• a. It makes it easier to enter and leave the building
• b. It is safer than other types of door
• c. It stops buildings from becoming too crowded

5. What is the purpose of a search engine?

• a. To help you access the internet
• b. To help you find websites
• c. To help you share videos

6. If you search the same search term on different search engines, you get different results. Why is this?

• a. They have different indices
• b. They think different websites are better than others
• c. They are located in different places

7. Which of these sentences is correct?

• A web crawler uses webpages to create an index of search engines.
• A search engine uses web crawlers to create an index of webpages.
• An index uses search engines to create a webpage of web crawlers.

8. Which of these search terms would be likely to return the fewest results?

• Car
• Red car
• Red Sports Car

9. Complete the following sentence using the words below. _____________ explains which webpages a search engine displays.

• Selection
• Ranking