Computational Thinking Flashcards
Represent 4 in binary
1-0-0
Represent 100 in binary
1-1-0-0-1-0-0
Which electric component allows to compute?
Transistors
What is a transistor?
A semiconductor used to amplify or switch electronic signals and electric power
Where are transistors located?
On the CPU
What is the CPU?
The central processing unit: is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logic, controlling, and input/output (I/O) operations specified by the instructions
What is ASCII?
The American Standard Code for Information Interchange, is a character encoding standard for electronic communication
How many characters are defined in ASCII?
128
What is unicode?
A super-set of ASCII and a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world’s writing systems
Which ASCII code for the letter “A”?
65
What is RGB and what does it stand for?
“Red, Green, Blue” The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors
How many bits were used in ASCII and why?
- The 8th bit is used as a parity bit to avoid making errors, which was relevant few years ago
How many bits in a byte?
8
How many bite in a bit?
0.125
What is a bubble sort algorithm?
A simple sorting algorithm that repeatedly steps through the list, compares adjacent pairs and swaps them if they are in the wrong order
