Computer Y7 Level 6

Binary is primarily used in computing because:

• It simplifies programming language syntax

• Computers only understand 0s and 1s due to electronic states

• It increases the complexity of data storage

• It helps encode passwords more securely

Which option best describes the relationship between analogue and digital signals?

• Analogue is faster and used for video; digital is slower

• Digital is continuous while analogue is binary

• Analogue is continuous; digital is sampled and converted

• They are both interpreted in Morse code

What makes ASCII limited in representing global text data?

• It doesn’t use enough binary codes

• It only represents digits and symbols

• It excludes capital letters

• It supports only US English characters

Why might a computer interpret two different binary values as the same symbol?

• The binary string length is fixed

• Lowercase and uppercase are grouped together

• Grouping of bits is incorrectly applied

• The conversion skipped the base-10 step

Which best explains why Unicode is preferred over ASCII in multinational platforms like Facebook?

• Unicode uses fewer bits

• Unicode supports audio as well as text

• Unicode encodes a wider range of characters

• Unicode compresses characters for faster transmission

Which of these binary values most likely represents a punctuation symbol?

• 01100010

• 100100

• 11000100

• 01010101

Which unit accurately describes network speed?

• Megabytes per hour

• Megabits per second

• Megapixels per millisecond

• Giga-packets per second

A user sends a file over the Internet. Which part of the data packet ensures it reaches the right destination?

• Packet footer

• Header

• Checksum

• Binary string

Port 25 is typically associated with:

• Secure banking

• Email sending

• Website downloads

• IP allocation

In an IP address structure, the 'postcode' analogy refers to:

• The number of bits

• The domain name

• The network portion

• The device identifier