The ability to change ISO on digital cameras provides the professional (and amateur, if he knows enough about technology) photographer opportunity to create quality images virtually anywhere and anytime.
TCP/IP architecture model
Unlike the ISO/OSI reference model, TCP/IP architecture is only divided into 4 layers. The exchange of information between the layers is again exactly defined and again, each service uses the services of a lower level and provides its services to a higher layer.
Mastering Digital Photography Lighting
When you are taking photos and the lighting conditions are perfect, then digital photography lighting is not a problem. Unfortunately, most of the time, the conditions are not ideal so photographers have to learn to use light to get the desired results. The first thing you want to be concerned with is the main source of light on your subject. Ask yourself questions such as where the light source comes from, do you require artificial light, is there enough natural light and wi…
The OSI Reference Model and TCP/IP architecture
The OSI Model was developed by the International Organization for Standardization in order to provide a standard for computer networking. In 1984 the organization accepted the model as an international standard documented in ISO 7498.