AQA GCSE Computer Science (8520) Paper 2

What hardware defines a computer?

How are embedded computer systems different to systems in PCs and smartphones?

How many bytes are used to represent a colour in the 24-bit web colour model?

Why might an operating system include a disk defragmentation utility?

What is the name of a small amount of fast temporary memory within the processor?

What is the point of using hexadecimal instead of binary?

What is a pixel?

Computers process information as what kind of numbers?

How many bits are there in a nibble?

What is the hexadecimal value 2D equivalent in denary (base 10)?

What is resolution?

How would the 4-bit binary pattern 1110 be represented in hexadecimal?

Which character set can represent English text using the least storage space?

What kind of software is an operating system?

Which of these is not considered an example of a software application?

What number does an even number end in when it is represented in binary?

Which one of these will not improve the quality of digital audio?

What does 'volatile' mean for a computer's memory? (Data and instructions)

What is 10111100 in hex?

With binary numbers, place values are always a power of what?

What is the main job of the central processing unit (CPU) in a computer?

How does data travel between the processor and the computer's RAM?

How many bytes are there in one kilobyte (kB)?

What does the operating system NOT do?

What is the smallest unit of data that can be represented inside the computer?

What is 'cache'?

What is the result of this binary addition: 0110 + 0101 ?

Which of these is not a job of the operating system?

What is the equivalent denary number of the binary number 01001011?

How many unique binary values would be available in an 8-bit image?

What kind of peripheral device is a hard disk drive?

How many binary numbers would be available in a 4-bit system?

Which of these character sets allows the largest number of different characters?

How many hexadecimal digits are needed to represent an 8-bit binary pattern?

Which of these is a job for the ALU?

Which is the fastest kind of memory for the CPU to access?