Paper 1 help

Paper 1 help

1. Principles of programming

   • Iteration
   • Selection
   • Sequence

2. Assignment Operator

   • The assignment operator is used to assign a value to a data structure
   • An array
     • An array is a list of items which are all the same datatype under a single identifier
     • Loops
       • It is another term for a use of iteration
   • System Software
     • It manages all the actions of the computer and helps the user organise their data
     • Casting
       • The change of a value from an int to a str
       • Operating system
         • The os manages the memory, security, applications and input/output devices
         • Embedded system
           • A computer system in a larger device

3. Functions of CPU

   • Performs arithmetic operations on data
   • It fetches and executes instructions
   • It moves data to and from memory locations