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Determine the salient features of a parallel programmable interface, 8255.
- Mode 0: A, B, C simple input or output level sensitive ports
- Mode 1: A, B input or output ports with strobe control in C
- Mode 2: A is bidirectional with control/handshake in B and C
Explain in detail companding. Companding: It is the process of compressing and expanding. This includes compressing the signal at the transmitter and expanding this at the re
With the help of a truth table explain the working of a half subtractor. Draw the logic diagram using gates. Ans: Half Subtractor: For the subtraction of B (subtrahend) f
Name the Numerous household devices Numerous household devices now use microprocessors to control their different functions. The following is just a sample of common devices (d
what is an interface and perpheral device
INTERRUPT METHOD - USING PORTB CHANGE INTERRUPT By using 4 by 4 matrix keypad connected to PORTA and PORTB. The rows are connected to PORTA-Low (RA1-RA4) and the columns are co
Define memory address map? Addressing of memory can be established by means of a table that specifies the memory address assigned to each chip. The tables, known as memory addr
Explain about unix file system architecture
Z80 STATUS FLAGS
Q. Describe THEAD, TBODY and TFOOT tag? THEAD, TBODY, TFOOT , , and form groups of rows. specifies that a group of rows are heade
How do you save data in BDC tables? The data in BDC tables is saved by using the field name 'BDC_OKCODE' and field value of '/11'.
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