Digital Information
A base 10 number with ten possible different digits
Decimal Number
The unique number assigned to each device on the internet
IP Address
This term is used for the small part of a message that also contains information about where it came from and where it is going.
Packet
Convert the binary string to decimal form:
111111
63
Data about data
Metadata
A base 2 number with two possible different digits
Binary Number
A protocol for sending data across the internet that assigns unique numbers to each connected device
Internet Protocol (IP)
What is the name of the cyber attack in which the attack prevents authorized users from accessing a system.
Denial of Service
(DoS)
Calculate the following arithmetic operation in Binary:
11111 (Base 2) + 22 (Base 10)
110101
Data that changes discreetly through a finite set of possible values
Digital Data
Error from attempting to represent a number that is too large
or
- Choose a team that will lose 300 points.
Overflow Error
A type of computer that forwards data across a network
Router
When multiple paths exist between two point, the system is....
- If you get this right, deduct 100 points from any other team.
Fault Tolerant
Convert the below to letters using ASCII table
72 (Base 10) 1001001 (Base 2)
HI
Data with values that change continuously, or smoothly, over time
Analog Data
Error from attempting to represent a number that is too precise. The value is rounded.
Represent the decimal number below in binary and you will get +200
2.25
Round-off Error
10.01
The inclusion of extra components so that a system can continue to work even if individual components fail, for example by having more than one path between any two connected devices in a network
Redundancy
Convert the binary string to decimal form:
11011011
219
How many total numbers can be represented with an 8-bit binary (base-2) system?
256
A process for creating a digital representation of analog data by measuring the analog data at regular intervals
Sampling
A process for reducing the number of bits needed to represent something without losing any information. The process is reversible.
Lossless Compression
A process that allows a system to continue to function even in the event of individual component failures. This is important because elements of complex systems like a computer network fail at unexpected times, often in groups
Faut Tolerant
Convert the hexadecimal string to decimal form:
3E2A
15,914
Your computer uses 7 bits to represent decimal numbers (0, 1, 2, 3 and so on) in binary. What is the SMALLEST number for which an overflow error occur?
128
A system of rules that govern the behavior of some system.
Protocols
A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is not reversible.
Lossy Compression
Bonus (+100): Give an example of a lossy compression
Data added to packets to help route them through the network and reassemble the original message
Packet Metadata
How much of the AP exam's weight is the multiple choice section?
Bonus: +200
70%
How many bits are required to encode and store an image that is 25 pixels wide and 35 pixels tall, using 3 bits per pixel?
2,625
Random facts collected for analysis.
Data
A group of computing devices and programs working together for a common purpose
Or
Sing a song to get the points
Computing System
A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered
Transmission Control Protocol (TCP)
How much time is given to complete the AP exam's performance task?
Bonus: +100
At least 12 hours.
The mathematical formula for calculating the lossless
compression rate?
(1- ((Compressed file size + dictionary file size)/ original file size)) * 100 %
Imagine that you have a y-bit memory block, which can store q numbers.
If two bits are added to the memory block of a total of y+2 bits, how many numbers can be stored now?
Lucky you! get twice the points for answering this question right
4q
A group of interconnected computing devices capable of sending or receiving data
Lucky you!! You get to choose another question if you don't know the answer
Computing Network
The HTTPS & DNS protocols rely on which internet layer
Or
20 push-ups
TCP/IP
A legal right that grants the creator of an original work exclusive rights for its use and distribution.
Copyright
Given the following lossless compression values, the lossless compression rate is equal to -----
Compressed text size: 145 bytes
Dictionary size: 30 bytes
Original text size: 240 bytes
27.08%
Sharing data with others so they can analyze it.
Publicly available data shared by governments, organizers, and others
OR
The names of the two people who invented the internet
Open Source
Bob Kahn & Vint Cerf
A machine that can run a program, including computers, tablets, servers, routers, and smart sensors
Computing Device
The system responsible for translating domain names like example.com into IP addresses
Answer the question below as well to get extra 100 P
The difference between GET & POST requests
The Domain Name System (DNS)
A general representation of something -- of some person or place or event or process; Extracts common features from specific examples in order to generalize concepts.
Words, symbols, maps, and models are all examples.
If answered correctly: You can steal 100 points from another team
Abstraction
Consider the number 654321 with an unknown base.
Which of the following are possible bases for this number?
3,4,5,6,7,8,9,10,12,16,24
7,8,9,10,12,16,24
The maximum rate of data transfer across a given path.
Bandwidth
The series of connections between computing devices on a network starting with a sender and ending with a receiver
Path
A protocol for computers to request and share the pages that make up the world wide web on the Internet
Hypertext Transfer Protocol (HTTP)
The concept that revolves around differing access to computing devices and the Internet, based on geographic, or demographic characteristics
Propose one solution to reduce the ------------ and get 100 points
Digital Divide
ASCII allows representation for
2 attempts are allowed for answering this question
256 different characters.
The rate at which data is downloaded or uploaded in a network
Bitrate