What is the difference between 8085 and 8086?

What is the difference between 8085 and 8086?
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The major difference between the 8085 and the 8086/8088 is that the 8085 is an 8 bit computer, and the 8086/8088 is a 16 bit computer.
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what is the main difference between 8085 and 8086 processors?

Description : what is the main difference between 8085 and 8086 processors?

Last Answer : Ans-8085 is a 8 bit microprocessor,having 16-bit address bus.8086 is a 16-bit microprocessor having 20-bit address bus.

How many speed of 8088,8085,8086 microprocessor: a. 2.5 Million instruction per second b. 1.5 Million instruction per second c. 3.5 Million instruction per second d. 1.6 Million instruction per second

Description : How many speed of 8088,8085,8086 microprocessor: a. 2.5 Million instruction per second b. 1.5 Million instruction per second c. 3.5 Million instruction per second d. 1.6 Million instruction per second

Last Answer : a. 2.5 Million instruction per second

Which is 16 Bit microprocessor: a. 8088 b. 8086 c. 8085 d. All of these

Description : Which is 16 Bit microprocessor: a. 8088 b. 8086 c. 8085 d. All of these

Last Answer : d. All of these

Intel used HMOS technology to recreate_____: a. 8084 A b. 8086 A c. 8085 A d. 8088 A

Description : Intel used HMOS technology to recreate_____: a. 8084 A b. 8086 A c. 8085 A d. 8088 A

Last Answer : c. 8085 A

What is the clock frequency of 8086 microprocessor?

Description : What is the clock frequency of 8086 microprocessor?

Last Answer : MAximum clock frequency of 8086 is 5MHZ.

Which of the following is not an XT microprocessor? A) 8006 B) 8086 C) 8088 D) None of above

Description : Which of the following is not an XT microprocessor? A) 8006 B) 8086 C) 8088 D) None of above

Last Answer : Answer : D

which are of these examples of Intel 8086 opcodes: a. MOV b. ADD c. SUB d. All of these

Description : which are of these examples of Intel 8086 opcodes: a. MOV b. ADD c. SUB d. All of these

Last Answer : d. All of these

Ingiven lines of code MOV AX,BL have different type of operands according to assembler for 8086 architecture these identifiers must be of. a. Different type only in byte b. Same type either in word or byte c. Botha &b d. None of these

Description : Ingiven lines of code MOV AX,BL have different type of operands according to assembler for 8086 architecture these identifiers must be of. a. Different type only in byte b. Same type either in word or byte c. Botha &b d. None of these

Last Answer : b. Same type either in word or byte

Why do we use two ground pins in the pin diagram of 8086?

Description : Why do we use two ground pins in the pin diagram of 8086?

Last Answer : Ans-There are basically two reasons for doing so one is to remove GROUND BOUNCE one more reason is circuit complexity demands a large amount of current flowing through the circuits and multiple grounds help in dissipating the accumulated heat so that device will be safe.

Who was introduce the 80286 microprocessor updated on 8086,in 1983: a. Intel b. Motorola c. Fairchild d. None of these

Description : Who was introduce the 80286 microprocessor updated on 8086,in 1983: a. Intel b. Motorola c. Fairchild d. None of these

Last Answer : a. Intel

Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088

Last Answer : a. 16-bit 8086 and 8088

In 8086 microprocessor one of the following instructions is executed before an arithmeticoperation a. AAM b) AAD c) DAS d) DAA

Description : In 8086 microprocessor one of the following instructions is executed before an arithmeticoperation a. AAM b) AAD c) DAS d) DAA

Last Answer : b) AAD

.How many transistors does the 8086 have?a) 10,000b ) 29,000 c) 110,000d) 129,000

Description : .How many transistors does the 8086 have?a) 10,000b ) 29,000 c) 110,000d) 129,000

Last Answer : ) 29,000

In 8086 microprocessor one of the following statements is not true.a)Coprocessor is interfaced in MAX mode b)Coprocessor is interfaced in MIN mode c)I/O can be interfaced in MAX / MIN moded)Supports pipelining

Description : In 8086 microprocessor one of the following statements is not true.a)Coprocessor is interfaced in MAX mode b)Coprocessor is interfaced in MIN mode c)I/O can be interfaced in MAX / MIN moded)Supports pipelining

Last Answer : b)Coprocessor is interfaced in MIN mode

8087 connection to 8086, to enable the _________ bank of memory _______pins are to be connected. a) Lower, BHE b) Upper, BHE c) Lower, INT d) Upper, INT.

Description : 8087 connection to 8086, to enable the _________ bank of memory _______pins are to be connected. a) Lower, BHE b) Upper, BHE c) Lower, INT d) Upper, INT.

Last Answer : a) Lower, BHE

8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave configuration the number of interrupts available to the 8086 microprocessor is a) 8 b) 16 c) 15 d) 64

Description : 8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave configuration the number of interrupts available to the 8086 microprocessor is a) 8 b) 16 c) 15 d) 64

Last Answer : a) 8

8086 microprocessor is interfaced to 8253 a programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by a) 216 b) 28 c) 210 d) 220

Description : 8086 microprocessor is interfaced to 8253 a programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by a) 216 b) 28 c) 210 d) 220

Last Answer : d) 220

In 8086 microprocessor one of the following instructions is executed before an arithmetic operation a) AAM b) AAD c) DAS d) DAA

Description : In 8086 microprocessor one of the following instructions is executed before an arithmetic operation a) AAM b) AAD c) DAS d) DAA

Last Answer : b) AAD

What is the output of the following code AL=00110101 BL= 39H M. Krishna Kumar/IISc. Bangalore M2/V1/June 04/1 Microprocessors and Microcontrollers/Assembly language of 8086 Multiple Choice Questions SUB AL, BL AAS a) AL= 00000100, CF=1 b) BL=00000100, CF=0 c) AL=11111100 CF=1 d) BL= 00000100, CF=1

Description : What is the output of the following code AL=00110101 BL= 39H M. Krishna Kumar/IISc. Bangalore M2/V1/June 04/1 Microprocessors and Microcontrollers/Assembly language of 8086 Multiple Choice Questions SUB AL, BL AAS ... , CF=1 b) BL=00000100, CF=0 c) AL=11111100 CF=1 d) BL= 00000100, CF=1

Last Answer : b) BL=00000100, CF=0

8088 microprocessor differs with 8086 microprocessor in a) Data width on the output b) Address capability c) Support of coprocessor d) Support of MAX / MIN mode

Description : 8088 microprocessor differs with 8086 microprocessor in a) Data width on the output b) Address capability c) Support of coprocessor d) Support of MAX / MIN mode

Last Answer : a) Data width on the output

In 8086 microprocessor one of the following statements is not true. a) Coprocessor is interfaced in MAX mode b) Coprocessor is interfaced in MIN mode c) I/O can be interfaced in MAX / MIN mode

Description : In 8086 microprocessor one of the following statements is not true. a) Coprocessor is interfaced in MAX mode b) Coprocessor is interfaced in MIN mode c) I/O can be interfaced in MAX / MIN mode

Last Answer : b) Coprocessor is interfaced in MIN mode

n 8086 microprocessor the following has the highest priority among all type interrupts. a) NMI b) DIV 0 c) TYPE 255 d) OVER FLOW

Description : n 8086 microprocessor the following has the highest priority among all type interrupts. a) NMI b) DIV 0 c) TYPE 255 d) OVER FLOW

Last Answer : a) NMI

BHE of 8086 microprocessor signal is used to interface the a) Even bank memory b) Odd bank memory c) I/O d) DMA

Description : BHE of 8086 microprocessor signal is used to interface the a) Even bank memory b) Odd bank memory c) I/O d) DMA

Last Answer : b) Odd bank memory

In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set

Description : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set

Last Answer : b) Signed numbers go out of their range after an arithmetic operation

In 8086, Example for Non maskable interrupts are a) Trapb) RST6.5 c) INTR

Description : In 8086, Example for Non maskable interrupts are a) Trapb) RST6.5 c) INTR

Last Answer : a) Trap

Define memory segmentation. How memory segmentation is achieved in 8086? State advantages of memory segmentation.

Description : Define memory segmentation. How memory segmentation is achieved in 8086? State advantages of memory segmentation.

Last Answer : Memory Segmentation: The memory in an 8086 microprocessor is organized as a segmented memory. The physical memory is divided into 4 segments namely, - Data segment, Code Segment, Stack Segment and Extra ... 16 bit size. 6) Programs and data can be stored separately from each other in segmentation.

Write an algorithm to subtract two 16 bit numbers (With borrow) in 8086 microprocessor.

Description : Write an algorithm to subtract two 16 bit numbers (With borrow) in 8086 microprocessor.

Last Answer : Algorithm for 16 bit numbers subtraction with borrow: 1. Load 0000H into CX register (for borrow) 2. Load the first number into AX(accumulator) 3. Load the second number into BX register 4. Subtract ... . Move data from AX(accumulator) to memory 8. Move data from CX register to memory 9. Stop

Enlist any four addressing modes of 8086 microprocessor.

Description : Enlist any four addressing modes of 8086 microprocessor.

Last Answer : Addressing modes of 8086 : 1. Immediate 2. Direct 3. Register 4. Register indirect 5. Indexed 6. Register relative 7. Based indexed 8. Relative based indexed 9. Implied

State the use of OF and DF flags of 8086 microprocessor.

Description : State the use of OF and DF flags of 8086 microprocessor.

Last Answer : Overflow Flag: This flag is set if an overflow occurs, i.e. if the result of a signed operation is large enough to be accommodated in destination register. Direction Flag: It selects either increment or decrement mode for DI &/or SI register during string instructions.

Describe the functions of General purpose registers of 8086 microprocessor.

Description : Describe the functions of General purpose registers of 8086 microprocessor.

Last Answer : (i) General Purpose Registers of 8086 1. AX (Accumulator) - Used to store the result for arithmetic / logical operations All I/O data transfer using IN & OUT instructions use A ... Index - acts as the destination for string movement instructions Used to hold offset address of Extra segment.

The 16 bit flag of 8086 microprocessor is responsible to indicate ___________

Description : The 16 bit flag of 8086 microprocessor is responsible to indicate ___________ A. the condition of result of ALU operation B. the condition of memory C. the result of addition D. the result of subtraction 

Last Answer : The 16 bit flag of 8086 microprocessor is responsible to indicate the condition of result of ALU operation

In 8086 microprocessor , the address bus is ________ bit wide A. 12 bit B. 10 bit C. 16 bit D. 20 bit

Description : In 8086 microprocessor , the address bus is ________ bit wide A. 12 bit B. 10 bit C. 16 bit D. 20 bit

Last Answer : In 8086 microprocessor, the address bus is 20 bit

The intel 8086 microprocessor is a _______ processor A. 8 bit B. 16 bit C. 32 bit D. 4 bit

Description : The intel 8086 microprocessor is a _______ processor A. 8 bit B. 16 bit C. 32 bit D. 4 bit

Last Answer : The intel 8086 microprocessor is a 16 bit processor 

To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even

Description : To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even address, the number of Read or Write cycles required is

Last Answer : To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even address, the number of Read or Write cycles required is one

Which microprocessor accepts the program written for 8086 without any changes?

Description : Which microprocessor accepts the program written for 8086 without any changes?   (a) 8085 (b) 8088 (c) 80186 (d) 80188 

Last Answer : Which microprocessor accepts the program written for 8086 without any changes?   (a) 8085 (b) 8088 (c) 80186 (d) 80188 

In 8086 the overflow flag is set when _____.

Description : In 8086 the overflow flag is set when _____.   (a) The sum is more than 16 bits (b) Signed numbers go out of their range after an arithmetic operation (c) Carry and sign flags are set (d) Subtraction 

Last Answer : In 8086 the overflow flag is set when Signed numbers go out of their range after an arithmetic operation . 

The 8086 fetches instruction one after another from _____ of memory.

Description : The 8086 fetches instruction one after another from _____ of memory.   (a) Code segment (b) IP (c) ES (d) SS

Last Answer : Code segemnt

If MN/MX is low the 8086 operates in ______ mode.

Description : If MN/MX is low the 8086 operates in  ______ mode.   (a) Minimum (b) Maximum (c) Minimum & Maximum (d) Medium 

Last Answer : If MN/MX is low the 8086 operates in  Maximum mode. 

Why is the data bus in 8085 bidirectional?

Description : Why is the data bus in 8085 bidirectional?

Last Answer : So that the processor can both read and write data.

Why is 8085 called so?

Description : Why is 8085 called so?

Last Answer : because 8085 is one of the landmark of 8-bit microprocessor history. it was more simple in construction than 8080. higher bit microprocessor can be understood very easily if one has prior knowledge of 8085.

What is Microprocessor 8085?

Description : What is Microprocessor 8085?

Last Answer : 8085 is a 8 bit microprocessor designed by Intel.

What is the microprocessor - 8085 architecture?

Description : What is the microprocessor - 8085 architecture?

Last Answer : 8085 Architecture - II Written by: shankar â⠬¢ Edited by: KennethSleightPublished Sep 30, 2009 â⠬¢ Related Guides: IntelLearn in detail about the functions and working of flags, the timing ... ALU alone cannot successfully process a data and provide the result to the programmer. There are

What is function of ALE in 8085?

Description : What is function of ALE in 8085?

Last Answer : ALE is a signal that means that the data bus contains the lower order address bus values. External hardware should strobe the data bus during ALE time, and lock it on the falling edge of ALE.

How many machine cycles does 8085 have, mention them

Description : How many machine cycles does 8085 have, mention them

Last Answer : The 8085 have seven machine cycles. They are • Opcode fetch • Memory read • Memory write • I/O read • I/O write • Interrupt acknowledge • Bus idle

How many interrupts does 8085 have, mention them

Description : How many interrupts does 8085 have, mention them

Last Answer : The 8085 has 5 interrupt signals; they are INTR, RST7.5, RST6.5, RST5.5 and TRAP

Steps involved to fetch a byte in 8085

Description : Steps involved to fetch a byte in 8085

Last Answer : i. The PC places the 16-bit memory address on the address bus ii. The control unit sends the control signal RD to enable the memory chip iii. The byte from ... byte is placed in the instruction decoder of the microprocessor and the task is carried out according to the instruction

What are operations performed on data in 8085

Description : What are operations performed on data in 8085

Last Answer : The various operations performed are • Store 8-bit data • Perform arithmetic and logical operations • Test for conditions • Sequence the execution of instructions • Store data temporarily during execution in the defined R/W memory locations called the stack

What is the signal classification of 8085

Description : What is the signal classification of 8085

Last Answer : All the signals of 8085 can be classified into 6 groups • Address bus • Data bus • Control and status signals • Power supply and frequency signals • Externally initiated signals • Serial I/O ports

Explain priority interrupts of 8085.

Description : Explain priority interrupts of 8085.

Last Answer : The 8085 microprocessor has five interrupt inputs. They are TRAP, RST 7.5, RST 6.5, RST 5.5, and INTR. These interrupts have a fixed priority of interrupt service. If two or more interrupts go ... 8085 is shown in the table. Interrupts Priority TRAP RST 7.5 RST 6.5 RST 5.5 INTR

List the four instructions which control the interrupt structure of the 8085 microprocessor.

Description : List the four instructions which control the interrupt structure of the 8085 microprocessor.

Last Answer : • DI ( Disable Interrupts ) • EI ( Enable Interrupts ) • RIM ( Read Interrupt Masks ) • SIM ( Set Interrupt Masks )