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What do you maent by Debugger?
Debugger: This is a program that allows user to debug and test programs. All computers with microprocessor kits give debugging facility. To notice errors a program can be tested into single steps. All step of the program is tested and executed. The debugger permits the user to inspect the contents of registers and memory locations after every step of execution. It also provides ability to insert breakpoint in the programs.
How is 8255 (Programmable Peripheral Interface) configured if its control registercomprises 9B h. Ans 9BH => 1001 1011 => b6b5=00-> Mode0 b4=0-> Port A as
For Zero Flag JZ ( Jump on Zero) and JNZ ( jump on no zero ) Instruction JZ transfer the execution of the program to the speciffed address if zero flag is set (Z=
The present window that is being used.
What do you mean by external data bus? External Data Bus: A bus which connects a computer to the peripheral devices. The microprocessor-8088 has 16-bit registers, 20-bit add
Active-mode PNP transistors in circuits: In the figure, the arrows showing current point in the direction of conventional current - the flow of electrons is in the opposite di
Explain how a p-n junction functions as a rectifier
NOR Gate NOR means NOT OR . it complements the output of an OR gate. The symbol of Nor gate in fig. (a) shows that a Nor gate comprises of an OR gate followed by a N
What is polarisation? Explain. While a dielectric material is related an electric field the dipoles of the material find oriented in a certain direction under the effect of the
Design a mod-15 counter. Explain the various steps in designing the counter
What are program-invisible registers? The local and global descriptor tables are determined into the memory system. So as to access and give the address of these tables, the pr
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