Microprocessor The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are irrelevant same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) irrelevant same as the content of A7-A0 all bits reset (i.e. 00H) all bits set (i.e. FFH) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Using one 8259 IC is equivalent to providing …………. INTR pins on 8085 18 12 16 8 18 12 16 8 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operations executed by two or more control units are referred as Bi control-operations Micro-operations Multi-operations Macro-operations Bi control-operations Micro-operations Multi-operations Macro-operations ANSWER DOWNLOAD EXAMIANS APP
Microprocessor While STC instruction executes, no flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. no flags will be affected. only carry flag will be affected. only carry and zero flags will be affected. all flags will be affected. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a vector interrupt the branch address is obtained from a register in the processor. none. the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is assigned to a fixed location in memory. the branch address is obtained from a register in the processor. none. the interrupting source supplies the branch information to the processor through an interrupt vector. the branch address is assigned to a fixed location in memory. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions: Instruction decoding. All the above. Instruction fetch. Arithmatic and Logic operations. Instruction decoding. All the above. Instruction fetch. Arithmatic and Logic operations. ANSWER DOWNLOAD EXAMIANS APP
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