chapter 1: Types and components of computer systems
What is hardware?
The physical components that make up a typical computer system. These may include input and output devices.
What are the types of hardware?
Hardware falls into two categories:
Internal hardware devices
External hardware devices
Examples of Internal hardware devices
Motherboard
Central processing unit(CPU) / processor
Random access memory(RAM)
Read-only memory(ROM)
Graphics card
Network interface card(NIC)
Internal storage devices(hard disk drives and solid state drives)
Examples of External hardware devices
keyboard
mouse
camera
monitor
printer
plotter
What is software?
The programs that control the computer system and process data
What are the types of software?
System software
Applications software
What is application software and some examples of it?
Software that provides the services that the user requires to solve a given task.
Examples:
Word processing
spreadsheet
database
video editing
graphics editing
What is system software and some examples of it?
The software designed to provide a platform on which all other software can run.
Examples:
Compilers
Linkers
Device Drivers
Operating System
Utilities
What is Digital Data?
Data that can only be understand by computers which is in a binary format(1,0)
What is Analogue Data?
Data in the real world which is not limited to two specific values.
What type of data this graph represent?
Analogue data
What type of dat this graph represent?
Digital data