8086 Microprocessor Set 6
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This set of 8086 Microprocessor Multiple Choice Questions & Answers (MCQs) focuses on 8086 Microprocessor Set 6
Q1 | destination inverts each bit of destination
- not
- nor
- and
- or
Q2 | Instruction providing both segment base and offset address are called
- below type .
- far type
- low type
- high type
Q3 | The conditional branch instruction specify for branching
- conditions
- instruction
- address
- memory
Q4 | The microprocessor determines whether the specified condition exists or not by testing the
- carry flag
- conditional flag
- common flag
- sign flag
Q5 | The LES copies to words from memory to register and
- ds
- cs
- es
- ds
Q6 | The translates a byte from one code to another code
- xlat
- xchng
- pop
- push
Q7 | The contains an offset instead of actual address
- sp
- ip
- es
- ss
Q8 | The 8086 fetches instruction one after another from of memory
- code segment
- ip
- es
- ss
Q9 | The BIU contains FIFO register of size 6 bytes called .
- queue
- stack
- segment
- register
Q10 | The is required to synchronize the internal operands in the processor CLK Signal
- ur signal
- vcc
- aie
- ground
Q11 | The pin of minimum mode AD0-AD15 has address
- 16 bit
- 20 bit
- 32 bit
- 4 bit
Q12 | The pin of minimum mode AD0- AD15 has _ data bus
- 4 bit
- 20 bit
- 16 bit
- 32 bit
Q13 | is used to write into memory
- rd
- wr
- rd / wr
- clk
Q14 | The RD, WR, M/IO is the heart of control for a mode
- minimum
- maximum
- compatibility mode
- control mode
Q15 | In a minimum mode there is a on the system bus
- single
- double
- multiple
- triple
Q16 | If MN/MX is low the 8086 operates in mode
- minimum
- maximum
- both (a) and (b)
- medium
Q17 | In max mode, control bus signal So,S1 and S2 are sent out in form
- decoded
- encoded
- shared
- unshared
Q18 | The bus controller device decodes the signals to produce the control bus signal
- internal
- data
- external
- address
Q19 | A Instruction at the end of interrupt service program takes the execution back to the interrupted program
- forward
- return
- data
- line
Q20 | Primary function of memory interfacing is that the should be able to read from and write into register
- multiprocessor
- microprocessor
- dual processor
- coprocessor
Q21 | To perform any operations, the Mp should identify the
- register
- memory
- interface
- system
Q22 | The Microprocessor places address on the address bus
- 4 bit
- 8 bit
- 16 bit
- 32 bit
Q23 | The Microprocessor places 16 bit address on the add lines from that address by register should be selected
- address
- one
- two
- three
Q24 | The of the memory chip will identify and select the register for the EPROM
- internal decoder
- external decoder
- address decoder
- data decoder
Q25 | Microprocessor provides signal like to indicate the read operatio
- low
- mcmw
- mcmr
- mcmwr