A Hard Disk Drive (HDD) a.k.a. hard drive or hard disk, is a non-volatile storage device. It stores digitally-encoded data on rapidly rotating platters with magnetic surfaces.

Adobe Photoshop is the most widely used photo editing software in the world.

It is also heavily used by graphic designers to create logos, buttons and other graphics for web sites.

Frame-based computer networking technology used in local area networks (LANs). Ethernet defines wiring and signaling for the physical layer, and frame formats and protocols for the media access control (MAC)/data link layer of the OSI model. Ethernet is mostly standardized as IEEE 802.3.

It has become the most widespread LAN technology since the 1990s.

AppleTalk is a proprietary suite of network protocols developed by Apple. It was included in the original Macintosh (1984) but is now deprecated by Apple in favor of TCP/IP.

Duty cycle is the page quantity which does not affect printer performance for a month. Generally the printer has the lifespan limitation such as pages per year. The lifespan means the average capacity of print-outs, usually within the warranty period. For example, if the duty cycle is 48,000 pages per month assuming 20 working days, a printer limits to 2,400 pages a day.

The Tagged Image File Format (TIFF) is a non compressed bitmap image format, typically produced by scanners.

TIFF images typically include tags defining the characteristics of the image that is included in the file.

International non-profit, professional organization for the advancement of technology related to electricity.

WPA-PSK (WPA Pre-Shared Key) is special mode of WPA for small business or home users.

A shared key, or password, is configured in the wireless access point (WAP) and any wireless laptop or desktop devices. WPA-PSK generates a unique key for each session between a wireless client and the associated WAP for more advanced security.

A small circuit board that holds memory.

Network protocol used for automatic configuration of IP computers/devices. A DHCP server provides configuration parameters specific to the DHCP client host requesting, generally, information required by the client host to participate on an IP network. DHCP also provides a mechanism for allocation of IP addresses to client hosts.