Math P1 Exam

Question 1

All functions of a computer are based upon the use and manipulation of numbers (0, 1).

Answer 1

Binary

Question 2

Equivalent to 1000 gigabytes.

Answer 2

Terabyte

Question 3

A number system based on the power of 10 (uses the symbols 0-9). Example:
1
0
1
(
0
−
9
)
10
1
(0−9).

Answer 3

Decimal

Question 4

A number system based on the power of 2 (0, 1).

Answer 4

Binary

Question 5

A number system based on the power of 8 (0-7).

Answer 5

Octal

Question 6

A number system based on the power of 16 (0-9, A-F). Example: (A-F) as A=10, B=11, C=12, D=13, E=14, F=15.

Answer 6

Hexadecimal

Question 7

Binary digit.

Answer 7

Bit

Question 8

4 bits (half a byte).

Answer 8

Nibble

Question 9

Encoded as audio file formats like MP3, WAV, AAC.

Answer 9

Audio

Question 10

Encoded as video file formats like MPEG4, H.264.

Answer 10

Video

Question 11

Encoded in character sets such as ASCII and Unicode.

Answer 11

Text

Question 12

Encoded as file formats like BMP, JPEG, PNG.

Answer 12

Images

Question 13

A system of arithmetic for integers, where numbers wrap around upon reaching a certain value, the modulus (plural moduli). It is also known as taking the remainder. It involves only integers.

Answer 13

Modular Arithmetic

Question 14

The self-proclaimed inventor of the binary system and is considered as such by most historians of mathematics and/or mathematicians. (1646-1716)

Answer 14

Gottfried Wilhelm Leibniz

Question 15

For n > 0, if n > 0 and r is the remainder when the Division Algorithm is used to divide b by n.

Answer 15

Least Residue

Question 16

A system of arithmetic for integers where the numbers wrap around upon reaching a certain value.

Answer 16

Clock Arithmetic

Question 17

1 + 1 = 10.

Answer 17

Binary Addition

Question 18

The brain of the computer.

Answer 18

CPU

Question 19

The process of converting plaintext to ciphertext.

Answer 19

Encipher

Question 20

The practice of hiding data to maintain confidentiality when transmitting sensitive information via communication channels

Answer 20

Cryptography

Question 21

The process of converting ciphertext into plaintext.

Answer 21

Decipher

Question 22

Also known as the coded message; the message after it has been encoded.

Answer 22

Ciphertext

Question 23

Refers to the original message or the message before it is encoded.

Answer 23

Plaintext

Question 24

This number can be found on the last cover page of any book, consisting of a string of 10 digits or 13 digits.

Answer 24

International Standard Book Number