2420159
Description
Flashcards by James Jolliffe, updated more than 1 year ago
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Created by James Jolliffe
over 9 years ago
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| Question | Answer |
| What is a variable? | When we store data memory, we give the location a unique name, an identifier. These are called variables in our program. |
| What type of data is an Integer? What type of data is a real/float? | A whole number 3, 45, -453 A number with a fractional part, such as 34.245 |
| What is a string? | Zero or more characters. A string can be null (empty), just one character or several characters. |
| What is assignment? | Putting an actual value into a variable |
| What is sequence? | A matter of writing the steps down in the order they need to happen. |
| What does the 'FOR' loop do? | Allows you to execute a group of steps one or more times, for a specific number of times. |
| What is a 'REPEAT' loop controlled by? | A condition at the end of the loop. |
| What is a 'WHILE' loop controlled by? | A condition at the start of the loop. |
| What is a condition? | A Boolean expression that will be true or false at a particular point in the program. Conditions are used to control iteration and selection statements. |
| Flowcharts: What is a terminator? What shape is it? | It shows where the algorithm starts and finishes. |
| Flowcharts: What is an input box? What shape is it? | Shows an input to the system. |
| Flowcharts: What is a decision box? What shape is it? | Always asks a question and has different routes out depending on the answer. |
| Flowcharts: What is a process? What shape is it? | Something that happens, always includes a VERB! |
| Flowcharts: What is storage? What shape is it? | Could be a file or a database. |
| Flowcharts: What shape is a printed output? | |
| CANCELLED FLASHCARDS | SORRY :) |
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