What is the smallest unit of digital data?
- Megabyte
- Bit
- Kilobyte
- Gigabyte
In which scenario is lossy compression generally more acceptable?
- Archiving important documents
- Storing original high-resolution photographs
- Streaming music over the internet
- Backing up critical database files
In lossless compression, how is redundant information typically reduced?
- By discarding data outside the human range of vision
- Through encryption
- Using algorithms to represent repeated patterns
- Increasing image resolution
What does the abbreviation "TB" stand for in the context of data storage capacity?
- Terabyte
- Turbo Boost
- Time Base
- Total Bits
Which term is used to represent one billion bytes in data storage?
- Petabyte
- Kilobyte
- Megabyte
- Gigabyte
If a binary number has 8 bits, how many possible different values can it represent?
In binary, what is the representation of the decimal number 9 using 4-bit binary code?
When data is copied to a drive in a different location to keep it safe in the event of a catastophie, it is called…
- Caching
- Virtualisation
- Backing-up
- Paging
Which secondary storage device provides the fastest data access times but is generally more expensive than other options?
- External hard disk drive
- USB flash drive
- Optical disc
- Solid state disk
What is the primary advantage of using Unicode over ASCII for character representation?
- Smaller storage size
- Compatibility with older systems
- Support for a wider range of characters and symbols
- Faster processing speed
