by admin | May 29, 2015 | sem3
forest ecosystem The levels of a food chain (food pyramid) is called Trophic levels. The trophic level of an organism is the level it holds in a food pyramid. The sun is the source of all the energy in food chains. Green plants, usually the first level of any food...
by admin | May 29, 2015 | sem3
ecological succession processes The processes of ecological succession are 1. Nudation. It is the development of a bare site uninhabited by any organisms. The process is usually caused by disturbances. These factors can be either topographic (soil erosion, wind action...
by admin | May 29, 2015 | sem3
energy flow in the ecosystem Nearly all of the energy that drives ecosystems ultimately comes from the sun. Solar energy, which is an abiotic factor, by the way, enters the ecosystem through the process of photosynthesis. You can learn more than you want to know about...
by admin | May 29, 2015 | sem3
addressing modes Addressing modes are the ways how architectures specify the address of an object they want to access. In GPR machines, an addressing mode can specify a constant, a register or a location in memory. The most common names for addressing modes...
by admin | May 29, 2015 | sem3
Components of a computer system A computer is a fast and accurate device, which can accept data, store data, process them and give, desired results as output. The computer is organized into four units as shown in the following diagram. INPUT UNIT Any device designed...
by admin | May 29, 2015 | sem3
Eight ideas in computer architecture 1. Design for Moore’s Law The one constant for computer designers is rapid change, which is driven largely by Moore’s Law. It states that integrated circuit resources double every 18–24 months. Moore’s Law...
