HPCL Electrical Technician Paper on Microcontrollers

If you are appearing Hindustan Petroleum Corporation Limited Visakh Refinery Electrical Technician Recruitment exam 2020 and searching HPCL Electrical Technician Previous Year Paper/ Model Paper/ Sample Paper then you are at right place. Here, we are publishing Microcontrollers question paper for your practice.

The content of PC is address of instruction
(a) just executed
(b) first instruction
(c) to be executed next
(d) last instruction

The instruction for loading 8-bit data in a register is
(a) MOV
(b) LDA
(c) MVI
(d) LDAX

The instruction for copying 8-bit data to memory via register pair is
(a) LDA
(b) STAX
(c) STA
(d) LDAX

The instruction for loading 16-bit data in register pair is
(a) MOV
(b) LXI
(c) STA
(d) LDA

The instruction for adding 8-bit data via H-L pair register is
(a) ADD R
(b) ADI-8 bit
(c) ADD M
(d) None of these

The instruction for incrementing memory content is
(a) INR M
(b) INX RP
(c) INR R
(d) All of these

The content of accumulator after executing the following ALP code will be MVIA, 8FH, INRA, HLT
(a) 8F H
(b) 90 H
(c) AOH
(c) 8EH

Total number of memory location accessible from a 16-bit address is
(a) 16384
(b) 32768
(c) 256
(d) 65536

The non-maskable interrupt is
(a) TRAP
(b) INTR
(c) RST 6.5
(d) RST 7.5

The highest priority among the interrupts is of
(a) INTR
(b) TRAP
(c) RST 5.5
(d) RST 6.5