AS Computer Science

Write the number -78 in 8-bit two's complement notation

• 10110010
• 00110010
• 11001110
• 01001110

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

Which law is designed to control the use of personal data?

• Data Protection Act
• Computer Misuse Act
• Copyright, Design and Patents Act
• RIPA

Which law allows employers to monitor electronic communications?

• Data Protection Act
• Computer Misuse Act
• Copyright, Design and Patents Act
• RIPA

What is the scope of a global variable?

• the entire program
• the procedure in which it is declared
• the entire world
• the range of values it can hold

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

Uses mnemonics

• Interpreter
• Translator
• Compiler
• Assembly Langauge

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

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