86 Family Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

86 Family Interview Questions

Questions Answers Views Company eMail

What number of the times the instruction sequence below will loop before coming out of loop is MOV AL, 00hA1: INC AL JNZ A1

CDAC,

1414

In the instruction FADD, What does F stands for

CDAC,

1191

In case of DVD, the speed is referred in terms of n X. Here what does X refers to

CDAC,

1027

The Pentium microprocessor has how many execution unit?

CDAC,

1080

What does 8088 microprocessor have?

CDAC,

983

When is the LOCK prefix used often?

CDAC,

1069

Can you name the different types of processor?

IOCL,

1079

What is clock frequency for 8085?

Rolta,

1005

why 8085 processor is called an 8 bit processor?

Rolta,

994

In what way interrupts are classified in 8085?

4Cplus,

1104

what are the various flags used in 8085?

4Cplus,

1179

what is program counter?

Wipro,

1080

How many bits microprocessor was first developed?

Honeywell,

986

In 8085 name the 16 bit registers?

4Cplus,

1253

What is the RST for the TRAP?

1306

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Un-Answered Questions { 86 Family }

Explain memory mapped i/o and i/o mapped i/o schemes?

1275

Can single bit of a port be accessed in 8051?

997

What are the software instructions related to stack operations?

1056

With 12 mhz clock frequency how many instructions (of 1 machine cycle and 2 machine cycle) it can execute per second?

1974

What’s a microprocessor?

951

What is the purpose of data moving instructions? Name any two such instructions?

997

Describe the jae instruction with the help of an example?

923

Explain what is the main difference between 8085 and 8086 processors?

919

What location code memory space and data memory space begins?

2045

What is the function of ale and how does it works?

996

explain about externally initiated operations

1019

What is the function of ale in 8085 microprocessor?

1056

Explain the functions of the two dma signals hold and hlda?

1080

List various types of interrupts available in 8051 microcontroller?

1016

What is the purpose of the sign flag in 8085?

935

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