GCSE COMP 1 Unit 3 Questions

What is the smallest unit of data that can be processed by a computer?

• Kilobyte

• Byte

• Megabyte

• Terabyte

Which of the following is not a unit of data storage?

• Nibble

• Character set

• Terabyte

• Petabyte

What does the term 'character set' refer to in computer science?

• A method to add two 8-bit binary integers

• A sequence of characters that can be used by a computer

• A type of binary shift

• A method to convert data into binary format

How is each pixel in a bitmap graphic represented?

• As a hexadecimal number

• As a binary number

• As a decimal number

• As an ASCII code

What does ASCII stand for in computer encoding systems?

• American Standard Code for Information Interchange

• American Secure Code for Internet Integration

• Automated Systematic Code for Information Interchange

• Advanced Standard Code for Information Interchange

Which character encoding system can represent the most characters?

• ASCII

• Extended ASCII

• Unicode

• Binary Code

What is the primary reason for using image metadata?

• To increase the file size

• To enhance the image resolution

• To store information about the image

• To reduce the image quality

How does the sample rate affect the size of a digital sound file?

• Higher sample rates decrease the file size

• Higher sample rates increase the file size

• Sample rate does not affect the file size

• Lower sample rates increase the file size

What is the relationship between file size and image resolution?

• Higher resolution decreases file size

• Higher resolution increases file size

• Resolution has no impact on file size

• Lower resolution increases file size

What does the term "bit depth" refer to in computer vocabulary?

• The speed of the processor

• The number of bits used for each color component of a single pixel

• The capacity of the hard drive

• The frequency of the CPU