Archive for April 22nd, 2008
Terdapat beberapa jenis makanan yang dapat mempengaruhi bioavailabilitas besi yang dikategorikan
sebagai pelancar dan penghambat zat besi. Golongan bahan pelancar yaitu ikan, sayur dan buah, dan
vitamin C. Sedangkan yang tergolong zat penghambat adalah kopi, teh,asam oksalat, dan serat. Untuk lebih
jelasnya dapat dilihat berikut ini :
Pelancar Absorpsi
1 Hati Sapi
2 Daging Sapi
3 Ayam
4 Udang Segar
5 Kerang
6 Telur [...]
It is beyond the scope of this text to present a detailed discussion of how to program a microprocessor in machine language. Still,
it is useful to investigate in a general way what the software must do. A digital controller is a computer operating in real time.This means that the program is running all the time—repeatedly [...]
In a serial interface, the data are sent 1 bit after the other on a single wire. There are a number of good reasons for doing this. First, the cabling is simpler because only two wires are needed (at a minimum), those being “data” and “return.” Second, shielding a small group of wires, which is [...]
The parallel interface transfers data 8 bits (or more) at the same time, using eight separate wires. It is essentially an extension of the data bus into the outside world. The parallel interface is ideal for inputting or outputting data from devices that are either on or off. For example, a single limit switch uses [...]
The microprocessor works by executing a program of instructions. Creating the program is similar in concept to programming in BASIC, C, or any other high-level computer
language. Each type of microprocessor has its own instruction set, which is the set of commands that it was designed to recognize and obey. Microprocessor instructions are very elemental and [...]
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