Flowcharts and programming

Question 1

Flow Chart Symbols and Purpose

Terminator

Answer 1

Symbol = Oval 
Purpose = Start, Stop, Return

Question 2

Flow Chart Symbols and Purpose

Process

Answer 2

Symbol = Rectangle
Purpose = Delays, loop

Question 3

Flow Chart Symbols and Purpose

Input/Output

Answer 3

Symbol = Rhombus
Purpose = Turns on or off

Question 4

Flow Chart Symbols and Purpose

Decision

Answer 4

Symbol =Diamond

Purpose = Input on/off x=?

Question 5

Flow Chart Symbols and Purpose

Sub Procedures

Answer 5

Symbol = Rectangle with two lines at each end
Purpose = Mini flow charts

Question 6

All flow charts must be related to

Answer 6

a microcontroller

Question 7

P Basic

Answer 7

let dirs. = %11110000
must start every P Basic code

symbol x = 7
this is how to rename a pin, pin 7 is now called x

Question 8

High =
Low =
Pause =
if...else =
goto =

Answer 8

On 
Off
Delay (in milliseconds)
If x = on then y
go to this part of the code

Question 9

To set a counter in Pbasic

Answer 9

define the variable ‘counter’ by

𝐬𝐲𝐦𝐛𝐨𝐥 𝐜𝐨𝐮𝐧𝐭𝐞𝐫 = 𝐛𝟎

set the counter by

𝐟𝐨𝐫 𝐜𝐨𝐮𝐧𝐭𝐞𝐫 = 𝟏 𝐭𝐨 𝟏𝟎

to add to the counter do

𝐧𝐞𝐱𝐭 𝐜𝐨𝐮𝐧𝐭𝐞𝐫