Chapter 2

Question 1

1. What is 2 raised to the 4th power?
   a. 16
   b. 64
   c. 8
   d. 32

Answer 1

a. 16

Question 2

2. Using Hexadecimal, what is the result if I add 1 to B?
   a. 10
   b. 11
   c. C
   d. F

Answer 2

c. C

Question 3

3. What is the binary equivalent of the decimal number 25?
   a. 101010
   b. 110010
   c. 100101
   d. 101000

Answer 3

b. 110010

Question 4

4. What is the decimal equivalent of the binary number 101011?
   a. 27
   b. 42
   c. 43
   d. 86

Answer 4

c. 43

Question 5

5. What does the following measurement mean? 266MBs
   a. 266 megabits per second
   b. 266 megabytes per cycle
   c. 266 megabytes per second
   d. 266 megabits per cycle

Answer 5

c. 266 megabytes per second

Question 6

6. 25 MB is approximately __________ bytes.
   a. 25,000
   b. 25,000,000
   c. 25,000,000,000
   d. 25,000,000,000,000

Answer 6

b. 25,000,000

Question 7

7. Using a Boolean AND function what will be the result of a 1 and 1?
   a. 0
   b. 1
   c. 11
   d. 10

Answer 7

b. 1

Question 8

8. Using a Boolean AND function what will be the result of a 1 and 0?
   a. 0
   b. 1
   c. 11
   d. 10

Answer 8

a. 0

Question 9

9. Which numbering system has 16 values?
   a. decimal
   b. octal
   c. hexadecimal
   d. binary

Answer 9

c. hexadecimal

Question 10

10. One cycle per second is known as what?
    a. Hertz
    b. Serial
    c. Parallel
    d. Bandwidth

Answer 10

a. Hertz

Question 11

How many combinations are there in a 4-bit binary number?

a. 4
b. 8
c. 16
d. 40

Answer 11

c. 16

Question 12

24-bit color is the same as which of the following amounts of colors?

a. 65,536
b. 256
c. 4,000,000,000
d. 16,777,216

Answer 12

d. 16,777,216

Question 13

A gigabyte is equal to how many bytes in binary measurements?

a. 20 to the 30power
b. 20 to the 20power
c. 20 to the 10power
d. 20 to the 40power

Answer 13

a. 20 to the 30power

Question 14

In the hexadecimal numbering system, what is D equal to?

a. 11
b. 12
c. 13
d. 14

Answer 14

c. 13

Question 15

Which of the following operators is represented with l (pipe) sign?

a. AND
b. OR
c. NOT
d. EITHER

Answer 15

b. OR

Question 16

Using the binary system, if A equals 1 an B equal 1, what is the solution to the following equation: A AND B?

a. 0
b. 1
c. A
d. B

Answer 16

b. 1

Question 17

You want to search for records containting “ music lessons” and “computer music.” Which of the following expressions would work best?

a. music AND (lessons OR computer)
b. music AND lessons OR computer
c. Music AND lessons NOT computer
d. (music AND lesions) OR computer

Answer 17

a. music AND (lessons OR computer)

Question 18

Which of the following would be faster at an identical clock speed?

a. Parallel data transfer
b. serial data transfer
c. Dial-up modem data transfer over the internet
d. Network adapter data transfer over the internet

Answer 18

a. Parallel data transfer

Question 19

What is 1GHz equal to?

a. 1000 Heartz
b. 1,000,000 Heartz
c. 1,000,000,000 Heartz
d. 1,000,000,000,000 Heartz

Answer 19

c. 1,000,000,000 Heartz