Grade 9 Coding Competition

Front

How do you represent the denary number 255 in hexadecimal?

Back

FF

Front

Explain what an overflow error is.

Back

An error that occurs when a binary value is too large to be stored in the bits available.

Front

Data is broken down into a small unit called a packet; a data packet has 3 sections, what are the names given to each section? Options: Header, Payload, Trailer; Simplex, Half-duplex, Full-duplex; Checksum, Check digit, Parity check

Back

Header, Payload, Trailer

Front

What is the primary function of a MAC address?

Back

To identify a device on a network

Front

Which address does a router primarily use to forward data packets on a local network?

Back

MAC address

Front

How many GiB are there in 30,000 MiB?

Back

29.29 GiB

Front

What is binary also known as?

Back

Base 2

Front

What are the number choices in binary?

Back

0 and 1

Front

What are the first 6 powers in binary? Options: 0, 2, 4, 8, 12, 32; 1, 2, 4, 8, 16, 31; 1, 2, 6, 8, 16, 32; 1, 2, 4, 8, 16, 32

Back

1, 2, 4, 8, 16, 32

Front

What is the binary addition rule for 1 + 1 + 1?

Back

1 carry 1