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Microprocessor Interview Questions & Answers - Learning Mode
COOLINTERVIEW.COM COMPUTER HARDWARE INTERVIEW QUESTIONS MICROPROCESSOR INTERVIEW QUESTIONS QUESTIONS & ANSWERS - LEARNING MODE

Microprocessor Interview Questions & Answers - Learning Mode

A microprocessor is a computer processor which incorporates the functions of a computer's central processing unit (CPU) on a single integrated circuit (IC), or at most a few integrated circuits. A microprocessor is an electronic component that is used by a computer to do its work. It is a central processing unit on a single integrated circuit chip containing millions of very small components including transistors, resistors, and diodes that work together.

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Microprocessor Interview Questions & Answers - Learning Mode
Try Microprocessor Interview Questions & Answers - Exam Mode
Question: Why 8086 got that name?

Answer: The nomenclature follows:<br><br>80= Designed during 80s (released 1978)<br>6= 16Bit<br><br>I guess second "8" was so, because at the beginning of project they want to show it follows 8085. Another advantage was maybe to show this generation is source code compatible to 8085 and 8080. Therefore they should have kept it. Source: CoolInterview.com
Question: Give example for Non-Maskable interrupts?

Answer: Trap is known as Non-Maskable interrupts, which is used in emergency condition. Source: CoolInterview.com
Question: What is Stack Pointer?

Answer: Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address of the top of the stack. Source: CoolInterview.com
Question: In what way interrupts are classified in 8085?

Answer: In 8085 the interrupts are classified as Hardware and Software interrupts. Source: CoolInterview.com
Question: Which interrupt is not level-sensitive in 8085?

Answer: RST 7.5 is a raising edge-triggering interrupt.
Source: CoolInterview.com
Question: What does Quality factor mean?

Answer: The Quality factor is also defined, as Q. So it is a number, which reflects the lossness of a circuit. Higher the Q, the lower are the losses. Source: CoolInterview.com
Question: Can an RC circuit be used as clock source for 8085?

Answer: Yes, it can be used, if an accurate clock frequency is not required. Also, the component cost is low compared to LC or Crystal Source: CoolInterview.com
Question: What is meant by a bus?

Answer: A bus is a group of conducting lines that carriers data, address, & control signals. Source: CoolInterview.com
Question: Which Stack is used in 8085?

Answer: LIFO (Last In First Out) stack is used in 8085.In this type of Stack the last stored information can be retrieved first Source: CoolInterview.com
Question: What is 1st / 2nd / 3rd / 4th generation processor?

Answer: The processor made of PMOS / NMOS / HMOS / HCMOS technology is called 1st / 2nd / 3rd / 4th generation processor, and it is made up of 4 / 8 / 16 / 32 bits. Source: CoolInterview.com
Question: Give an example of one address microprocessor?

Answer: 8085 is a one address microprocessor. Source: CoolInterview.com
Question: What is Tri-state logic?

Answer: Three Logic Levels are used and they are High, Low, High impedance state. The high and low are normal logic levels & high impedance state is electrical open circuit conditions. Tri-state logic has a third line called enable line. Source: CoolInterview.com
Question: Which interrupt has the highest priority?

Answer: TRAP has the highest priority Source: CoolInterview.com
Question: What is the difference between 8086 and 8088?

Answer: The BIU in 8088 is 8-bit data bus & 16- bit in 8086.Instruction queue is 4 byte long in 8088and 6 byte in 8086. Source: CoolInterview.com
Question: Give examples for Micro controller?

Answer: Z80, Intel MSC51 &96, Motorola are the best examples of Microcontroller. Source: CoolInterview.com
Question: What?s the speed and device maximum specs for Firewire?

Answer: IEEE 1394 (Firewire) supports the maximum of 63 connected devices with speeds up to 400 Mbps. Where?s MBR located on the disk? Main Boot Record is located in sector 0, track 0, head 0, cylinder 0 of the primary active partition. Source: CoolInterview.com
Question: Which interrupt has the highest priority?

Answer: TRAP has the highest priority Source: CoolInterview.com
Question: What is SIM and RIM instructions?

Answer: SIM is Set Interrupt Mask. Used to mask the hardware interrupts.
RIM is Read Interrupt Mask. Used to check whether the interrupt is Masked or not. Source: CoolInterview.com
Question: State the latest microprocessor by INTEL ?


Answer: 6th Generation Intel? Core? i7 Processors Source: CoolInterview.com
Question: What is 1st / 2nd / 3rd / 4th generation processor?

Answer: The processor made of PMOS / NMOS / HMOS / HCMOS technology is called 1st / 2nd / 3rd / 4th generation processor, and it is made up of 4 / 8 / 16 / 32 bits. Source: CoolInterview.com

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