A discount store chain has a data breach, which means that a hacker now has the credit card numbers of every customer who shopped at that store in the last month. As a result, customers are angry with the store because they have to respond to credit card fraud, and so sales decrease at the store. Which of the following would have most likely prevented this problem?
A
investing in faster processors

B
investing in more mainframes

C
investing in better security

MULTIPLE CHOICE
Question 10
Which of the following is NOT a way that a company can improve the security of the data that it collects?
1Points
A
increasing its upload speed

B
requiring stronger passwords

C
encrypting information

MULTIPLE CHOICE
Question 11
Which of these statements describes the difference between binary and decimal numbers?
1Points
A
Binary numbers are shorter to write than decimal numbers.

B
Binary numbers use only the digits 0 and 1; decimal numbers use 0 through 9.

C
Binary numbers are easier for people to read than decimal numbers.

MULTIPLE CHOICE
Question 12
Which of these number systems uses the most unique characters?
1Points
A
binary

B
decimal

C
hexadecimal

MULTIPLE CHOICE
Question 13
If you saw the number BDB76B used to describe a color in a computer program, which number system is being used?
1Points
A
decimal

B
hexadecimal

C
Roman numerals

MULTIPLE CHOICE
Question 14
Why are hexadecimal values used to represent color in computer programs?
1Points
A
They are easier for humans to interpret.

B
They are easier for computers to interpret.

C
They are able to represent more colors than binary numbers.

MULTIPLE CHOICE
Question 15
Processor speeds are given in hertz. One hertz refers to what?
1Points
A
one transfer from binary to hexadecimal

B
one use of an input device

C
one fetch-decode-execute cycle