Griffith University

• IT 1007ICT

• 1007ICT: Computer Systems and Networks Week 8 - Weekly Assessment (2 marks) 1. Explain, with the aid of a diagram, the different layers of an operating system. This question is worth 0.5 marks. 2. Compare the operation of single process and multitasking. Also give one example operating system for each of these. This question is worth 0.5 marks. Single Process Multitasking Allows one program to be executed at a time Allows multiple programs to be executed at same time Processor is often idle Processor typically switches rapidly back and forth between different programs Example- MS DOS Example- MS Windows 3. Briefly explain what is bootstrapping. This question is worth 0.5 marks. Bootstrapping means to begin the execution of first code called bootstrap loader, which is stored in BIOS/ROM, when computer system is turned on. User Command Layer User Applications Service Layer Kernal Device Drivers