Question

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

Answer 1

1. B - investing in more mainframes

2. A - increasing its upload speed

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

4. A - binary

5. B - hexadecimal

6. A - They are easier for humans to interpret.

7. B - one use of an input device

Step-by-step explanation:

1. giving infromation out and anyone can just get it from the mainframe

2. increasing the upload speed is NOT a security improvement because encrypting is very hidden can be found anymore and stronger passwords are required everywhere even google account passwords so A is the answer

3. no explantion I just know thats true I swear.

4. Its A because its difficult to read so its unique. very rare people know how to read it.

5. hexadecimal is the only one that has numbers and letters together

6. Hexadecimal representations use fewer digits than binary, making it easier to express values.

7. One per second

Answer 2

C

investing in better security

A

increasing its upload speed

A

Binary numbers are shorter to write than decimal numbers.

B

hexadecimal

B

They are easier for computers to interpret.

C

one fetch-decode-execute cycle