Abstraction
The hiding/layering of information.
What is Abstraction?
An easy-to-remember address for calling a web page.
What is URL or Uniform Resource Locator?
A logic gate that has to have both inputs be true for the output to be true.
What is AND?
This system translates domain names (like example.com) to IP addresses (like 93.184.216.34)
What is DNS or Domain Name System?
Find the value of a.
var a = 2;
for(var i = 0; i < 4; i++) {
a = a * i;
}
What is 0?
A problem solving approach in which you break down a system to gain insight into the sub-systems that make it up.
What is Top-Down Design?
GIF uses this type of compression.
What is lossless?
An extra piece of information that you pass to the function to customize it for a specific need.
What is a Parameter?
IP
What is Internet Protocol?
var a = 5;
var b = 2.5;
var c= 3;
Find the value of !(a >= b) && (a > c)
What is false?
#153C2E corresponds to these RGB values
What is R:21 G:60 B:46.
Data that describes other data.
What is metadata?
A program designed to run blocks of code or functions in response to an event.
What is Event-driven programming?
IETF
What is Internet Engineering Task Force?
var a = 12 % 5;
5 * 8 - (6 + a)
What is 32?
The color purple can be written in four different ways:
Purple
0111 1111 0100 1111 1100 1001
#7F4FC9
R:127 G:79 B:201
The way of writing purple that uses the lowest level of abstraction is ...
What is 0111 1111 0100 1111 1100 1001?
One of the interesting job descriptions has the following text; "Accessing data and computing power without being granted access but with the permission of the system administrators.... Their job is to identify and repair system vulnerabilities." This job is.
What is Hacking?
a = 2; b = 6; c = 12
a = 2 * b - a
b = 3 - a + c
c = a * b - c
Find c
What is 38
HTTPS
What is HyperText Transfer Protocol Secure?
var x = 3;
var y = 4;
mystery();
console.log(x + " " + y);
function mystery() {
var x = 7;
y = y + x;
}
What is 3 11?
The internet is composed of many layers. Higher level layers depend on the functionality of lower levels without worrying about how they work. List the layers (given alphabetically) in order from lowest to highest.
DNS (Domain Name System)
Physical Network
TCP/IP (Transmission Control Protocol / Internet Protocol)
What is Physical Network, TCP/IP, DNS?
Two classmates working on a project together don't want any of their classmates to be able to read their work, so they decide to use Caesar's Cipher where the letters are shifted left or right to encrypt their work. Caesar's Cipher is an example of which kind of encryption?
What is Symmetric encryption?
A data structure in JavaScript used to represent a list.
What is an Array?
Convert 19392 from decimal to hexadecimal.
What is 4BC0?
32 mod 3
What is 2?