Martes, Agosto 25, 2015

Computer Virus

-malware
-installs & replicates itself w/o users content
V-ital
I-information
R-esource
U-under
S-iege
Types of Virus
1.Resident Virus
2.boot virus
3.Overwrite Virus
4.Macro Virus
5.Directory Virus
6.direct Virus

Computer crimes

-any crime that involves network & computer use
*Cybercrimes - uses not only computers but other gadgets and SNS's
Ex. of computer crimes
1. breaking firewall
2. infecting computers w/ virus
3. hacking
Types of Computer crimes
    Theft of information
     Theft of Funds
      theft of computer hardwares


Software

Softwares
Types of softwares
*Application software
*System software
*Malicious software
Software
- means computer instructions or data

Miyerkules, Agosto 5, 2015

Computer Hardware

*Central Processing Unit (CPU)
 It acts as the brain of the computer and it process every data of the computer.
*Mother board
  It is the electronic exoskeleton of the computer.
*Input/Output Ports
It allows you to connect by devices to the computer.It has USB ports,Audio ports,etc.
*Hard disk
It acts as the permanent data storage of  the computer.
*Mouse
It is an input device that allow you to move the cursor on the screen everywhere you want to.
*Printer
It is an output device that allow you to turn a soft copy
*Monitor
It allows you to see what  are you doing in the computer
*Keyboard
 It is a device that allow you to the computer
*System Unit (Case)
It contains the whole mother board together
*Optical Drive
Also known as DVD drive it allows you to insert any read only memories
*Expansion cards
These are up gradable cards like graphic cards network adaptor sound cards etc.
*Cooling system(Fan)
It helps your personal computer on cooling down most of the  cooling system are fans