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86 Family Interview Questions
Questions Answers Views Company eMail

These are two ways in which a microprocessor can come out of Halt state.

CDAC,

1054

After the following has been executed MOV BL, 8C MOV AL, 7E ADD AL, BL; what will be the contents of register AL?

CDAC,

2278

What are Pseudo instructions basically?

CDAC,

1022

Signal voltage ranges for a logic high and for a logic low in RS-232C standard are

CDAC,

1047

What does SD RAM refers to

CDAC,

1011

How is EPROM generally erased

CDAC,

1064

In what is the ready pin of a microprocessor used

CDAC,

1110

The PCI bus is the important bus found in all the new Pentium systems because

CDAC,

1022

Which type of JMP instruction assembles if the distance is 0020h bytes

CDAC,

1331

If a1M1× DRAM requires 4 ms for a refresh and has 256 rows to be refreshed, no more than __________ of time must pass before another row is refreshed.

CDAC,

1254

What is 8251?

CDAC,

1108

In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing

CDAC,

1492

Where the data is transferred in a DMA write operation?

CDAC,

1102

What is the bit size of Itanium processor of Intel?

CDAC,

1027

If the crystal oscillator is operating at 15 MHz. What will be the PCLK output of 8284?

CDAC,

1671


Post New 86 Family Questions

Un-Answered Questions { 86 Family }

What is system bus?

1132


How the stack is initialized?

1017


Where 8086 mostly used & tell application of 8086?

1133


Can single bit of a port be accessed in 8051?

994


Explain in steps what happens when an interrupt occurs?

986


What type of interrupt is the “trap” and what does it do?

1052


Define crossbar switching with reference to 8086?

952


What is segment address in 8086?

944


State the type of addressing modes supported by the 8086?

959


Explain the instruction stream queue mechanism in the 8086?

908


what is program counter?

1077


What are the data pins of microprocessors? What is their use?

951


What type of memory is the stack?

1018


What is the difference between isr & function call?

1020


Explain about interrupt driven mode of data transfer

949