2022-12 online test

Explain fully why cache memory enhances the execution of a piece of software

• Cache is memory close to the processor holding frequently used instructions
• Cache is fast access memory close to the processor holding frequently used instructions
• Cache is fast access memory close to the processor
• Cache holds frequently used instructions

To break a hard problem up into smaller, easier ones.

• Decompose
• Pattern
• Abstraction
• Algorithm

Translate Assembly Language code into Machine Code

• Assembler
• Compiler
• Translator
• Interpreter

Translate entire source code all in one go into Machine Code

• Compiler
• Assembler
• Translator 
• Interpreter

Directly executable by the CPU. Written in 1's and 0's or Hex.

• Machine Code
• High Level Language
• Assembly Language
• VB.net

Languages that relate to the architecture and hardware of a specific computer are known as...

• High Level Languages
• Low Level Languages
• Simplex Languages
• Complex Languages

Which register within the CPU contains the intermediate value of a calculation?

• Accumulator
• Instruction Register
• Program Counter
• ALU

Which register within the CPU contains the command currently being executed? 

• Instruction Register
• Accumulator
• Program Counter
• ALU

The 3 main types of translators are...

• Assemblers, Compilers & Interpreters 
• Assemblers, Compilers & Converters 
• Assemblers, Scripters  & Interpreters 
• Converters, Scripters & Interpreters 

What is the purpose of the program counter?

• Holds the current instruction to be executed, having been fetched from memory.  Contents are transferred to control unit for decoding.
• Stores the memory address of the next instruction. Incremented by one after an instruction is fetched.