Recent questions in Computer Organization

In a microcomputer, wait states are used tomake the processor wait during a $\text{DMA}$ operationmake the processor wait during an interrupt processingmake the processor...

In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed o...

In the circuit shown, the device connected to $\text{Y5}$ can have address in the range$2000 – \mathrm{20FF}$$\mathrm{2D00} – \mathrm{2DEF}$$\mathrm{2E00} – \mathrm{2EFF...

For the $8085$ assembly language program given below, the content of the accumulator after the execution of the program is$$\begin{array}{|lll|}\hline 3000 & \text{MVI} &...

In an $8085$ microprocessor system with memory mapped $\text{I} / \mathrm{O}$,$\text{I/O}$ devices have $16$-bit addresses$\text{I/O}$ devices are accessed using $\text{I...

The following program is run on $8085$ microprocessor :$\begin{array}{cc}\text { Memory Address in hex } & \text { Instruction } \\ 2000 & \text { LXI SP, 1000 } \\ 2003 ...

The program given below is run on an 8085 based microcomputer system. Determine the contents of the registers: $\mathrm{PC}, \mathrm{SP}, \mathrm{B}, \mathrm{C}, \mathrm{...

An $8085$ assembly language program is given below. Assume that the carry flag is initially unset. The content of the accumulator after the execution of the program is$$\...

The content of the registers are $R_{1} = 25H, R_{2} = 30H$ and $R_{3} = 40H$. The following machine instructions are executed.$\text{PUSH } \{R_{1}\}$$\text{PUSH } \{R_{...