socrative keyword revision

socrative keyword revision

1. Condition

   • Is a statement which is checked to see whether it is true or false

2. Variable

   • Used to store data which can change when the program is running

3. Selection

   • IF, ELSE IF and ELSE are key components of this, they use conditions to decide which section of the code to run

4. Increment

   • Increases a numerical value

5. Decrement

   • Decreases a numerical value

6. Iteration

   • When a sequence of code has the ability to repeat more than once

7. Count controlled iteration

   • When a sequence of code repeats a set number of times.

8. Condition controlled iteration

   • When a sequence of code repeats based on whether a condition is true

9. Sequence

   • A list of code in a set order

10. Boolean operators

    • AND, OR and NOT

11. Relational operators

    • Greater than> Less than< Equal to=

12. And operator

    • Used in a condition when all criteria needs to be met.

13. Not operator

    • Used in a condition when you are looking for the opposite to happen

14. Or operator

    • Used in a condition when just 1 part of the criteria needs to be met

15. Operators

    • Multiply(*), divide(/), subtract(-) and addition(+)

16. Efficient

    • Code which works well, but is written in as few lines as possible

17. Functional

    • What the code can actually do

18. Sub routine

    • A section of code which can be run at any point in the program (for example broadcast in Scratch)

19. Logic error

    • This is when your code works, just not in the way you expect it to

20. Assign

    • Used in variables when you are setting it to a value (e.g. set lives to three)

21. Last term keywords

    • Wifi
      • Allows devices to connect to the internet or communicate with one another wirelessly within a particular area
    • Bluetooth
      • Commonly used for connecting two devices together wirelessly over a short range
    • Range
      • The distance in which devices can connect together
    • Data transfer speed
      • How fast a device can send data to another device
    • GPRS
      • Uses mobile communications to connect to the internet or transfer data
    • Ethernet
      • A system for connecting a number of computer systems to form a local area network (LAN)
    • Security
      • Protecting your data from unauthorised users
    • Firewall
      • Is software which controls which programs on your computer can send and receive data
    • Encryption
      • A method of scrambling data so that it cannot be read.
    • Key
      • This is the information which is needed for someone to unscramble (to decrypt) the data
    • Decryption
      • This is when you unscramble the data using a key so that it can all be understood
    • Unauthorised users
      • Users who are not allowed to access all or part of a computer system