IB HL Extra Topics

A stack uses the following abstractions

• base top

• front rear

• node data

• next previous

Which one of the following is not a part of the Boot up process

• POST

• BIOS

• Boot loader

• RAM

What does the Bootloader do?

• A self-test on startup

• Checks the input and output devices for operation

• Initialises the hardware

• Loads the OS with parameters

Timesharing in Operating System speak refers to:

• Process - an 'app' in execution on the CPU

• Multiple users, multitasking and multithreaded apps

• Multiple programs in memory at once

• Memory resource management

A ________ is a computer that manages resources on a network. Files, databases, printing etc...

• Server

• Client

• Mainframe

• Cluster

Which of the following uses a client - server framework

• firewall and internet connection

• browser and website

• word processor and document

• video card and game

Personal computers ....

• Have a CPU and RAM

• Require network access to run

• Are a kind of server

• Can be connected to a mainframe

2 words - this software allows the operating system to communicate with peripherals

What does a real time system guarantee?

• A minimum response time with users

• A bug free system

• 24/7 online connectivity

• A near perfect physic simulation

What is Address Binding?

• When the page table sets a block of memory to a location in the hard drive

• When virtual memory is being used in a system

• When you map logical addresses to physical addresses

• When variables use symbolic addressing in the compilation process