1. Basic Logical Operations (Fascinating)
In this section you will learn what are the basic logical operations and how to evaluate different logical expressions
Image from Star Trek © Paramount

2. Logical AND Logic gate Truth table X Y X AND Y False True Truth table1
Logic gate

3. Logical AND: An ExampleT F
AND

4. Logical OR Logic gate Truth table X Y X OR Y False True Truth table X1
Logic gate

5. Logical OR: An Example T F OR

6. Logical NOT Logic gate Truth table X Not X False True Truth table X1
Logic gate

7. Logical NOT: An ExampleF
NOT

8. Logical NAND Logic gate Truth table X Y X AND Y X NAND Y False True1
Logic gate

9. Logical NAND: An ExampleT F
AND
NAND

10. Logical NOR Logic gate Truth table X Y X OR Y X NOR Y False True1
Logic gate

11. Logical NOR: An ExampleT F OR
NOR

12. Logical Exclusive OR (XOR)
Truth table X Y
X XOR Y
False
True
Truth table X Y
X XOR Y 1
Logic gate

13. Logical XOR: An ExampleT F
XOR

14. Reasons For Learning About Logic
Hardware perspective
The computer is built using logic circuits

15. Reasons For Learning About Logic (2)
Software perspective
Logic is common-place in computer programs

16. You Should Now Know
The different types of logical operations that a computer may perform
AND OR
NOT
NAND
NOR
XOR
How logic gates form an important part of computers