Computer Computation Test

Question 1

Who invented Boolean algebra?

Answer 1

George Boole

Question 2

What are the four main logic gates?

Answer 2

AND, OR, NOT, XOR

Question 3

What does NOT do? What does it look like?

Answer 3

• Negates true and false

- Triangle with a circle

Question 4

What does AND do? What does it look like?

Answer 4

• Output is only true if both inputs true

- Semicircle

Question 5

What does OR do? What does it look like?

Answer 5

• Only one input has to be true for the output to be true

- Spaceship

Question 6

What does XOR do? What does it look like?

Answer 6

• It is the same as OR, except is false when both are true

- Curved line and spaceship

Question 7

Go study in the notebook how to calculate binary math and logic gates

Answer 7

Do it or you’ll fail and be sad

Question 8

In an 8-bit system, what is the lowest and highest value you can have?

Answer 8

0 and 255

Question 9

What is ASCII?

Answer 9

A 7-bit code that could translate capital letters, digits, etc.

Question 10

What is Unicode?

Answer 10

The ruler of all national characters

Question 11

What # base system is binary?

Answer 11

2 (0-1)

Question 12

What # base system is octal?

Answer 12

8 (0-7)

Question 13

What # base system is hexadecimal?

Answer 13

16 (0-F)

Question 14

Go study in the notebook how to calculate octal and hexadecimal math

Answer 14

Do it or else your whole break and year will be ruined

Question 15

What are the steps in the problem-solving process?

Answer 15

1. Define Problem
2. Ideas
3. Decide Solution
4. Implement Solution
5. Reflect Result

Question 16

What is the answer to the handshake problem?

Answer 16

N(N-1)/2

190 unique handshakes

Question 17

What is the answer to the tower problem?

Answer 17

N/2^(W-1)=s

8 weeks

Question 18

Understand how you got the answers to the handshake, tower, and minimal spanning tree problems

Answer 18

or else…….

Question 19

What does ALU stand for?

Answer 19

Arithmetic and Logic Unit

Question 20

What is the ALU?

Answer 20

The mathematical brain of a computer

Question 21

What is the Arithmetic unit responsible for?

Answer 21

Handling all numerical operations in a computer

Question 22

What is the Logic unit responsible for?

Answer 22

Performing logical operations like AND, OR, and

NOT

Question 23

Approximately how many logic gates did the 74181 use?

Answer 23

70

Question 24

What are the three universal flags that ALU’s use?

Answer 24

Overflow, zero, and negative

Question 25

Watch the ALU crash course video

Answer 25

OR ELSE YOU ARE WEAK