cheeky monkey

computer security: computer and network security keeps data and equipment working and only allows access to the right people. Unauthorized use of a network can expose confidential information and reduce the network resources. A customer or an organization may depend on a technician to ensure that their data and computer equipment are secure. Security threats: There are  two different types of threats: - Physical: ... Read More

Principles of networking: The network can be as very simple as two computers connected by a single cable or as complex as  the hundreds of the computers connected to the device that control the flow of the information. LAN: Local area network- is a group of computers under the same administrative control. WAN: wide area network- the network that connect the ... Read More

-Type of Scanners - All in one- Scanners combines the functions of different machines into one piece of hardware. they generally include these functions. -scanner -printer -copier -fax They are usually used in homes or offices, where space can be limited. -Faltbed- Are used to scan books and photographs for atchiving. an electronic image is made by placing the book or photograph face down on the glass. ... Read More

-Today i have learn about the printer, -Types of printers -Laser printer- high quality.  fast printer. -To get the image onto the paper a laser beam is used. -The laser printer process takes 6 steps. - 1. Cleaning- extra toner is removed from drum. - 2. Conditioning- old image removed. - 3. Writing- laser scans photo sensitive drum with laser beam to create image. - 4. Developing- toner ... Read More

 -Epson 80 series. First step-we need to use parallel to plug in printer to desktop. And switch printer on Then you need to go on website tofind the driver of printer-Epson 80 Series. Install the printer on to the desktop. Download the driver and click to run to open. Add printer XP-first you need to click on start, then click control panel on right side, ... Read More

-Chapter 6 is about laptop. - Laptops were around in 1979. They were very expensive and heavy, but today they weight less  and cost less, they can also do a lot more. Laptops are popular because they are portable. -Laptop Features small portable display in lid keyboard in base AC power/rechargeable battery Hot swappable drives and peripherals __________________________________________________________________________________________ - The PDA is an electronic personal organizer have: Address book Calculator Alarm clock Internet ... Read More

1G and 2G phones in 1980's tp 1990's used analogue standards. This allowed mobile phone user to be able to communcat with simple voice and data. 3G phones used the SMS standard this meant you could send and get text, photos and video. 4G phones used MMS muti media message service. this provides a faster way to send and receive photo's and video ... Read More

The desktop motherboard is large in base unit. Laptop motherboard is small  like size of pencil. Laptop motherboards and desktop motherboards are designed differently. processors are designed to use less power and create less heat than desktop processors. the desktop cooler fan is bigger than laptop. Laptops are small and portable. Desktops are usually set up in a location where they ... Read More