computer science Flashcards
1
Q
explain why computers use binary numbers
A
computers use electricity. electricity can be on [1] or off [0]
2
Q
explain what is meant by a computer system
A
a collection/system of hardware and software that process data in binary form
3
Q
give two examples of data types used in computer
A
words, numbers, letters, integers etc
4
Q
describe the difference between data and information
A
data is not processed whereas information is processed data
5
Q
state the base of the binary number
A
base 2
6
Q
state the size of the binary number 10101101 in:
a) bits
b) nibbles
c) bytes
A
a) 8 bits
b) 2 nibbles
c) 1 byte
