- Difference between Data and information and knowledge
Data is is raw, unstructured and useless. While information is data that has been given context and meaning. Knowledge is information combined with human experience.
- Sources of data: static, dynamic and examples of each
Static: data sources that don’t not change for a relatively long period of time if not forever e.g. newspapers, books
Dynamic: data sources that are constantly changing e.g. live news broadcast, Wikipedia
- Adv and disadv of static and dynamic pg4 table
- Difference between direct and indirect data sources
Direct: collected for the user’s purpose
Indirect: collected for other purposes
- Examples, adv and dis adv of direct and indirect data sources pg6
- Quality of information: not coming
- Coding (no encryption) definition(keywords in definition: classification and identification), adv and disadv (table in the book)
Coding: is the process of representing data by assigning a code to it for classification and identification.

Question would be of an example of coded data and you have to tell what’s good about it and what’s bad about it and how it can be improved and why we use it.
- Hardware: not coming
- Difference between magnetic tape and optical storage pg 32
- Difference between system software and application software
system software are programs designed to maintain or operate the computer system. While application software are programs that are intended for productivity or to carry other tasks for the user. You don’t directly interact with system software but you do directly interact with application software.
- How antivirus software works
An antivirus program has a database of malicious files of malware and it compares the files and programs on the computer with that database. When it detects a match, it deletes it.
- How backup software works
Copies your files to another location.
- Difference between compiler and interpreter
Compiler: changes human readable code to machine code by packaging the software into an executable file
Interpreters: run human readable code in real time in an IDE and it’s executed line by line.
- Chapter 3: not coming
- Pg 62-63 4.02 Esafety, intro on esafety read through these two pages... no -ishings XD
- Why we need to protect our data online
- Pg68 table on health and safety of using computers
- Write an essay on the digital divide(discuss the digital divide): definition, causes, effects and an example
- Difference between LAN and WAN and examples
LAN (local area network)
WAN (wide area network)
- Adv and disadv of using computer networks pg79
- VPN pg 83
- pg 86-87 table on benefits of using the internet. Read through the rest of the chapter.
- Describe an internet service
- Pg90 video conferencing... Why it’s used, how it’s used, hardware, etc...