Grade 9 GAP Test 4th Grading

1. It uses a string of bits to represent each character on the keyboard.

• a. BYTE

• c. ASCII

• b. BIT

• d. BINARY

2. It is an abbreviation of binary digit and represents the smallest piece of data.

• a. BYTE

• b. BIT

• c. ASCII

• d. BINARY

3. Which of the following believed that binary numbers were symbolic of the Christian idea of “creation out of nothing.”?

• a. Charles Babbage

• b. Gottfried Wilhelm Leibniz

• c. George Boole

• d. Claude Shannon

Which of the following is the correct representation of 172 in binary.

• a. 1010 1100

• b. 1010 1010

• c. 1100 0000

• d. 1011 0000

5. Which of the following IP addresses contains the binary number 1100 0000?

• a. 10.102.10.2

• b. 172.16.28.1

• c. 192.168.1.1

• d. 127.0.0.1

6. It is the next generation of IP addresses which can produce 340 undecillion IP addresses.

• a. IPv4

• b. IPv5

• c. IPv6

• d. IPv7

7. Which of the following is not true about IPv6?

• a. It is a 128 – bit hexadecimal address.

• b. It is made up of 8 sets of 16 bits.

• c. Each set is separated by dot.

• d. It uses both numbers and alphabets in the address.

8. Which of the following is the correct answer when we convert 34CF from hexadecimal to binary?

• a. 0011 0100 1100 1111

• b. 0010 0100 1100 1111

• c. 0011 0100 1101 1111

• d. 0010 0100 1101 1111

10. What is the value of letter E in the hexadecimal?5

• a. 12

• b. 13

• c. 14

• d. 1

11. Which of the following is the correct representation of the subnet mask 255.255.255.0 converted in CIDR block notation?

• a. /8

• b. /16

• c. /24

• d. /32