Year 5: Systems and sharing

Which of the following is an output device?

• A microphone

• A monitor

• A keyboard

Computer systems accept inputs, process them, and then produce outputs. What is an example of an output?

• The amount of times the button is pressed

• The number of cars in the queue

• The length of time the light takes to change

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

• The amount of times the button is pressed

• The number of cars in the queue

• The length of time the light takes to change

Automatic doors are used in many buildings; they open when you walk towards them. This system helps people because:

• It makes it easier to enter and leave the building

• It is safer than other types of door

• It stops buildings from becoming too crowded

• All of the above

What is the purpose of Google.com, DuckDuckGo, and Bing?

• To help you access the internet

• To help you find websites

• To help you share videos

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

• They have different indices

• They think different websites are better than others

• They are located in different places

A search engine uses web crawlers to create an index of:

• Indices

• Webpages

• Search Engines

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

• Search engine

• Red car

• Red sports car

• All of them would return the same number of results

​ 1) ________________ explains which webpages a search engine displays; 2) _____________ explains the order in which they are displayed. What are selection and ranking?

​ ​

• 1) Selection/

  2) Ranking

• 1) Web Crawlers/

  2) Ranking

• 1) Indexing/

  2) Selection

• 1) Web Crawlers/

  2) Indexing