Errors
Data
Algorithms & Programming
Computer Systems & Networks
Impact of Computing
100
The error when you divide two numbers and it doesn't give you the correct decimal
What is roundoff error?
100
254 in binary
What is 11111110?
100
12 MOD 15
What is 12?
100
A 32 bit addressing protocol
What is IPv4?
100
Differing access to computing devices and the Internet, based on socioeconomic, geographic, or demographic characteristics.
What is the Digital Divide?
200
The error when you multiply two large numbers and get the wrong answer
What is overflow error?
200
10101011 in decimal
What is 171?
200
Fill in the blank code
// this code wants to count how many odd numbers are in a list called numberList
count <- 0;
FOR EACH num IN numberList
IF ( ___________ )
count <- count + 1
What is
num % 2 = 1
200
Can continue to function even in the event of individual component failures
What is fault tolerance?
200
Software intended to damage a computing system or to take partial control over its operation.
What is malware?
300
The error when this code runs... It is intended to print out even numbers from 2 to 10
output <- 2
REPEAT 5 TIMES {
output <- output + 2
DISPLAY(output)
}
What is...
It prints out 4 6 8 10 12. The two lines inside the loop need to be switched
300
We can type letters in ASCII, which in turn gets converted into binary. We don't need to know the ASCII codes or the binary numbers, just that it works in the lower levels. This is called...
What is data abstraction?
300
The data must be ______ in order to do a binary search.
What is sorted?
300
The protocol used for transmitting web pages over the Internet.
What is HTTP (HyperText Transfer Protocol)?
300
A system that requires at least two steps to unlock protected information; each step adds a new layer of security that must be broken to gain unauthorized access.
What is Multi Factor Authentication?
400
The logic error in the code below:
// Children 3 and under are free
// Ages 4 to under 18: $10 per ticket
// Senior citizen 65 +: $10 per ticket
// All others: $20 per ticket
price <- 0
IF ( age < 18 )
price <- 10
ELSE
IF ( age >=65 )
price <- 10
ELSE
price <-20
What is...
ages 3 and under will not be free
IF ( age >= 4 AND age < 18 )
price <- 10
400
A photo sharing app collects images, geolocation data, captions, account names, and tags of other accounts. The two pieces of data that are not relevant to tracking the most frequently visited locations of account holders are
What are images and captions?
400
An example of procedural abstraction
What are functions, procedures, or libraries?
400
The principle that all Internet traffic should be treated equally by Internet Service Providers.
What is Net Neutrality?
400
A malicious program that can copy itself and gain access to a computer in an unauthorized way. They often attach themselves to legitimate programs and start running independently on a computer.
What is a Computer Virus?
500
Because people are protected from Measles through vaccination, there's less need to get married. Thoughts?
Whaaat? Correlation does not imply causation.
500
The color that this pixel data is representing
(127, 127, 127)
What is medium gray?
500
The two unreasonable time algorithm speeds
Exponential and Factorial
500
A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets.
What is UDP (User Datagram Protocol)?
500
You sign up to assist in gathering data regarding the sightings of monarch butterflies during their migration. This is...
What is Citizen Science?