Microprocessors

The clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 $$\mu $$s, then the number of T-states needed for executing the instru...

An 8 Kbyte ROM with an active low Chip Select input CS is to be used in an 8085 microprocessor based system. The ROM should occupy the address range 1000H to 2FFFH. Theaddress line...

The 8255 Programmable Peripheral Interface is used as described below. I. An A/D converter is interfaced to a microprocessor through an 8255. the conversion is initiated by a signa...

An instruction used to set the carry flag in a computer can be classified as

In a microprocessor, when a CPU is interrupted, it

In a microcomputer, wait states are used to

In an 8085 microprocessor system with memory mapped I/O,

For a microprocessor system using I/O-mapped I/O the following statement(s) is NOT true

In register index addressing mode the effective address is given by