Searching, Data visualization & Review

Question 1

Who is Bob Kahn?

Accepted Answer

Co-creator of the Internet

Question 2

In a search, the best case is when the target is found after __ "guess(es)"

Accepted Answer

1

Question 3

Examine the logic gates in the picture. What is the value of B?

Accepted Answer

either true or false

Question 4

Which of the following is a limitation of the binary search algorithm?

Accepted Answer

Must use a sorted list

Question 5

The first transmission on the Internet crashed after sending 2 letters. What were the letters?

Accepted Answer

lo

Question 6

Which of the following identifies a device using the Internet?

Accepted Answer

IP address

Question 7

The primary goal of ___ is to make large amounts of data understandable in graphic form.

Accepted Answer

data visualizations

Question 8

Which of the following best describes the purpose of a heuristic?

Accepted Answer

To find an approximate solution in a reasonable time

Question 9

Who is Vint Cerf?

Accepted Answer

Co-creator of the Internet

Question 10

Which of the following is true about the time it takes to crack a public encryption key?

Accepted Answer

More bits in the key makes it harder to crack

Question 11

What is 11 MOD 523496?

Accepted Answer

11

Question 12

Which of the following types of algorithms could divide a list in half with each step?

Accepted Answer

logarithmic

Question 13

The position of an element in a list is called its

Accepted Answer

index

Question 14

One way to do a __ search is to start at the beginning and check every index in order

Accepted Answer

linear

Question 15

Which of the following systems uses the symbols A-F?

Accepted Answer

Hexidecimal

Question 16

What is printed in this program?

Accepted Answer

7 21

Question 17

What is the output of this Python program?

Accepted Answer

75 16

Question 18

Cell metadata has the to/from numbers, tower and call duration. Which is NOT in the metadata?

Accepted Answer

What you said to your friend in a phone conversation

Question 19

Which of the following searches could be done with a binary search?

Accepted Answer

Search for a name in an alphabetical list of names

Question 20

Which of the following could NOT be represented by 0100 0001?

Accepted Answer

1011 1110

Question 21

Put the following numbers in order from small to large: Binary 1100 Decimal 13 Hexadecimal E

Accepted Answer

Binary 1100 Decimal 13 Hexadecimal E

Question 22

Which of the following is the best strategy for writing a correct, working program?

Accepted Answer

Writing part of the code and testing it before the next part

Question 23

Why was IPv6 introduced as a new version of the IP Protocol?

Accepted Answer

IPv4 could not support the current number of devices

Question 24

A searching technique that works for BOTH sorted and unsorted lists is

Accepted Answer

Linear

Question 25

Which of the following is NOT a reason to use a visualization with a large amount of data?

Accepted Answer

A visualization shows the exact value of each data point

Question 26

What binary number comes before 1011 0110?

Accepted Answer

1011 0101

Question 27

Answer: All of the data is compressed in a way that a human can't tell that data was lost

Accepted Answer

Question: What is "lossy compression"?

Question 28

When a number is increased beyond the capacity of a number of bits to store it, it is called

Accepted Answer

overflow

Question 29

Which of the following are true about protocols on the internet

Accepted Answer

Protocols help devices from different makers work together

Question 30

What is the output of this Python program?

Accepted Answer

3 c

Question 31

What does 5 >= 5 AND NOT(3>4) evaluate as?

Accepted Answer

TRUE

Question 32

The "worst case" in a linear search (requiring the most guesses) occurs when the

Accepted Answer

Item is not in the list at all

Question 33

Why is the DNS (Domain Name System) useful?

Accepted Answer

Domain names are easier for humans to use than IP addresses

Searching, Data visualization & Review

Questions 33

Searching, Data visualization & Review

Questions 33