What is the extension of Photoshop file?​

The "instance" relationship shows that something is an object of a

In which part of a professional email should you try to be brief, but highly descriptive?

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.