2.0 Computational thinking, algorithms and programming

Question 1

Symbol for AND :

Answer 1

Semicircle

Question 2

Symbol for OR :

Answer 2

Inverted moon

Question 3

Symbol for NOT :

Answer 3

Triangle + circle

Question 4

What are the types of data checks?

Answer 4

Range
Type
Format
Length
Presence

Question 5

Why should a program be maintainable?

Answer 5

Prevent + fix bugs
Add new features
Easier reading

Question 6

How can a program be made more maintainable?

Answer 6

Naming conventions
Indentations
Comments
Subroutines

Question 7

What is the difference between a procedure and function?

Answer 7

Function returns value
Procedure does not

Question 8

What are the types of data inputs?

Answer 8

Invalid
Erroneous
Valid
Boundary

Question 9

What are the two types of testing?

Answer 9

Terminal
Iterative

Question 10

Advantages of high level languages :

Answer 10

English resemblance
Machine independence

Question 11

Advantages of low level languages :

Answer 11

Less storage
Direct hardware control
No translation

Question 12

What is casting?

Answer 12

Temporarily changing data types

Question 13

What is a compilier?

Answer 13

Translates entire code

Question 14

What is an interpreter?

Answer 14

Translates line by line