What is the main disadvantage of using magnetic tape as a form of secondary storage?
- High cost
- Slow access times
- Limited storage capacity
- Susceptibility to physical damage
What is the smallest unit of digital data?
- Megabyte
- Bit
- Kilobyte
- Gigabyte
In the context of secondary storage, what does the term "defragmentation" refer to?
- Deleting unnecessary files
- Reorganising data into contiguous files
- Encrypting stored data
- Mirroring data for redundancy
What is the binary representation of the denary number 10?
How is the decimal number 13 represented in binary?
How many gigabytes are in a terabyte?
How are colours typically defined in web design and HTML?
- Octal
- ASCII
- UTF-8
- Hexadecimal
What is the result of shifting the binary number 1010 two places to the right?
What is the purpose of hexadecimal (base-16) notation in representing data?
- Efficient representation of binary values
- Storing data on external drives
- Measuring data transfer speed
- Grouping bytes for faster processing
What happens to data during lossy compression that distinguishes it from lossless compression?
- No data is lost
- Data is duplicated to enhance accuracy
- Data is encrypted
- Some data is permanently lost
