Computer Science

Computer Science

1. Memory

   • The Difference Between RAM And ROM
   • The Purpose Of ROM In A Computer System
   • The Purpose Of RAM In A Computer System
   • The Need For Virtual Memory
   • Flash Memory

2. Systems Architecture

   • The Purpose Of The CPU
   • Von Neumann Architecture
     • MDR (Memory Data Register)
     • MAR (Memory Address Register)
     • Program Counter
     • Accumulator
   • Common CPU Components And Their Function
     • ALU (Arithmetic Logic Unit)
     • CU (Control Unit)
     • Cache
   • The Function Of The CPU As Fetch And Execute Instructions Stored In Memory
   • How Common Characteristics Of CPUs Affect Their Performance
     • Clock Speed
     • Cache Size
     • Number Of Cores
   • Embedded Systems
     • Purpose Of Embedded Systems
     • Examples Of Embedded Systems

3. Storage

   • the need for secondary storage
   • data capacity and calculation of data capacity requirements
   • common types of storage
   • suitable storage devices and storage media for a given application, and the advantages and disadvantages of these, using characteristics

4. Wired And Wireless Networks

   • types of networks
   • factors that affect the performance of networks
   • the different roles of computers in a client-server and a peer-to-peer network
   • the hardware needed to connect stand-alone computers into a Local Area Network
   • the internet as a worldwide collection of computer networks
   • the concept of virtual networks

5. Network Topologies, Protocols And Layers

   • star and mesh network topologies
   • Wifi
   • ethernet
   • the uses of IP addressing, MAC addressing, and protocols including
   • the concept of layers
   • packet switching

6. System Security

   • forms of attack
   • threats posed to networks
   • identifying and preventing vulnerabilities

7. Systems Software

   • the purpose and functionality of systems software
   • operating systems
   • operating systems

8. Ethical, Legal, Cultural, And Environmental Concerns

   • how to investigate and discuss Computer Science technologies while considering: ethical issues legal issues cultural issues environmental issues privacy issues