G9 SA1 Review 23

Which of the following is a base-16 number system?

• Binary

• Decimal

• Octal

• Hexadecimal

How many bits are in a byte?

• 4

• 8

• 16

• 32

ASCII is a character encoding standard that uses how many bits for each character?

• 8

• 6

• 4

• 16

What is the binary representation of the decimal number 25?

• 10011

• 10101

• 11001

• 11111

In a computer science class, Ina, Hadi, and Ratna are learning about binary addition. In binary, what is the result of adding 1011 and 1101?

• 11000

• 11100

• 10100

• 11010

Data Transmission: Bandwidth refers to:

• The distance data can travel

• The speed of data transmission

• The amount of data that can be transmitted

• The size of data packets

What is latency in data transmission?

• The error rate in data transmission

• The amount of data that can be transmitted

• The time delay between sending and receiving data

• The speed of data transmission

Which of the following is a protocol used for transmitting data over the Internet?

• HTTPS

• All of the above

• SMTP

• FTP

What is the purpose of a router in a computer network?

• To store data

• To transmit data wirelessly

• To connect different networks

• To connect devices within a local area network (LAN)

Error detection and correction techniques are important in data transmission to:

• Minimize the impact of transmission errors

• Ensure data privacy

• Reduce the cost of transmission

• Increase the speed of transmission