Answer:
1 The repeat / until loop is a loop that executes a block of statements repeatedly, until a given condition evaluates to true
3 A set of instructions that are used repeatedly in a program can be referred to as Subroutine. Only one copy of this Instruction is stored in the memory.
4. Explanation: Counter keeps track of the times the instruction has been executed.
5. An infinite loop is a sequence of instructions in a computer program which loops endlessly, either due to the loop having no terminating condition, having one that can never be met, or one that causes the loop to start over