Font size
WorksheetsMICROPROCESSORS AND INTERFACING - QUIZ 2
Total questions: 15
Worksheet time: 8mins
ISR Stands for
Internet service router
Internet Service Road
Interrupt Service road
Interrupt Service Routine
DMA stand for
Direct memory access
Direct management access
Direct mobile access
Direct memory application
what is the use of EI and DI instruction
allows Interrupt & allows Interrupt
allows Interrupt & blocks Interrupt
blocks Interrupt & allows Interrupt
blocks Interrupt & blocks Interrupt
Which of these are microprocessors
8085
8086
Intel Core 2 Duo
All of these
Companies which manufacture microprocessors are
Intel
Synopsys
ARM
AMD
What function which can stop the main program and do other programs?
Interrupt
Timer
Counter
SPI
3. The instruction “JUMP” belongs to
a) sequential control flow instructions
b) control transfer instructions
c) branch instructions
d) Arithmetic nstructions
The instruction that supports addition when carry exists is
a.ADD
b.ADC
c.ADD & ADC
d.none of the mentioned
The instruction that subtracts 1 from the contents of the specified register/memory location is
a.INC
b.SUBB
c.SUB
d.DEC
he flag that acts as Borrow flag in the instruction, SBB is
a.direction flag
b.carry flag
c.parity flag
d.trap flag
The instruction, CMP to compare source and destination operands it performs
a.addition
b.subtraction
c.division
d.multiplication
The instructions that are used to call a subroutine from a main program and return to the main program after execution of called function are
a) CALL,JMP
b) JMP,IRET
c) CALL,RET
d) JMP,RET
4. The instruction, MOV AX, 0005H belongs to the address mode
a) register
b) direct
c) immediate
d) register relative
7.The instruction, MOV AX,[BX] is an example of
a) direct addressing mode
b) register addressing mode
c) register relative addressing mode
d) register indirect addressing mode
Data bus width of 8086 microprocessor
16
20
8
32
