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Intel 8085

Introduced by Intel in 1977, the Intel 8085 is an 8-bit microprocessor that is binary-compatible with Intel 8080. It only requires a +5-volt power supply and has been used as a microcontroller.

1,493 Questions

What are two examples of special purpose maps?

Try population and rain fall per year, race, ect.

What is the purpose of a computer in a car?

Part of the purpose is to allow the car to change how much of a choke there is when you start your car. So that you get the best possible start when you start your car. It also allows you to select how much of a governer is on your car. The governer ditermines how fast you car go before it cuts off the gas to yaour engine. When it reaches that limit your car will slow down to a certin speed then the engine will kick back in and you will continue on your journey. The computer will also allow you to detirmine how high of a rev limiter that you have. The rev limiter allows your car to reach a certin rpm(revolutions per minute) if it goes any higher of a rev limit then the engine will explode. These are the only things that i know of. If you want more information ask a professional mechanic.

The width of a data bus is called?

The width of a data bus is referred to as the data path size. An example would be a 16 bit bus can transmit 16 bits of information

C program to convert gray code to binary code?

  1. #include
  2. #include
  3. void main()
  4. {int a[10],i=0,c=0,n;
  5. printf("\n enter the gray code");
  6. scanf("%d",&n);
  7. while(n!=0)
  8. {a[i]=n%10;
  9. n/=10;
  10. i++;
  11. c++;
  12. }
  13. for(i=c-1;i>=0;i--)
  14. {
  15. if(a[i]==1)
  16. {
  17. if(a[i-1]==1)
  18. a[i-1]=0;
  19. else
  20. a[i-1]=1;
  21. }
  22. }
  23. printf("\n the binary code is");
  24. for(i=c-1;i>=0;i--)
  25. printf("%d",a[i]);
  26. getch();
  27. }

What are the different types of microprocessors?

based on bit of operation at a time

8 bit, 16 bit, 32 bit, 64bit (now days) and etc So far i know, they are Laptop, Desktop, Server and Embedded processors, for example Laptop- Intel Centrino, Desktop- Intel Pentium, Server- Intel Xeon, Atom, Embedde- ARM and classification of microprocessor considering instruction sets they process: RISC - Reduced instruction set computing (oven, AC etc.) CISC - Complex instruction set computing (eg. laptop, desktop processor)

What does a data bus carry?

The data bus carries the information from various peripheral devices to the processor, and from the processor to the devices. For example, a running game loads from the hard drive over the SATA or IDE bus, then the CPU processes the data, and sends it to the graphics bus, which displays it on your monitor

If 00000111 in a register is shifted to read 00111000 the arithmetic operation is?

Each shift left is the same as multiplying by 2, so shifting 3 times to the left is the same as multiplying by 2³; ie multiply by 8.

Explain clearly the function of the DAA instruction in an 8085A microprocessor system?

DAA (Decimal Adjust for Addition) is used following a normal ADD, when it is known that the input data represented BCD (Binary Coded Decimal). It compensates for the half byte carry that might occur because the BCD format is not the same as the binary format.

How many states for xchg instruction?

The XCHG instuction takes 6 states to execute.

Why did brecht use direct address?

Brecht wanted to distance the audience from the actors and therefore by coming out of role and directly addressing the audience, the actors did not have to set the scene.

The segment of the data bus extends between RAM and peripheral devices?

the data path between the microprocessor RAM and the peripherals along which communication travels is called the data bus.

Where is the check connector on 95 Geo Tracker 16 valve and how do you short circuit it to set the timing per hood instructions?

I found it on my 1995 tracker sitting just in front of the battery. Look for a clump of wires leading into what looks like an unused and capped electrical connector. It's about 3/4 of an inch at widest.

It depending on the Emissions family. On the sticker on your hood you should see a sticker that gives valve clearances, timing and so on. Where it shows you the setting 5 deg. before TDC. There is a symbol of the plug in. it is a rectangular divided into 6 squares. the top left is blank, no wire into the back. Two more in top and then three on the bottom. You put a jumper from the bottom left to the bottom middle. This should shoe on your plug diagram as a black line from on to the other. The plug in holes a tiny, so I usually strip out a piece of stranded wire and take two or three strands to use as a jumper.

What is a flag?

An oblong or square piece of cloth that is raised or attached to a pole and used as emblem or marker (OED)

Types of external interrupts?

INTR, RST5.5, RST6.5, RST7.5, and TRAP are external interrupts in the 8085.

INTR is the original style used in the 8080. It uses an INTA response and the external hardware is expected to provide an instruction to execute, typically a CALL or an RST.

RST5.5, RST6.5, and RST7.5 are non-INTA interrupts, where there is no expected response for acknowledgement. RST5.5 and RST6.5 are level triggered, and RST7.5 is edge triggered.

TRAP is similar to the RST interrupts in that there is no acknowledge sequence. It is both edge and level triggered. Further, it is non-maskable.

Assembly language program for bcd t0 decimal conversion in8085?

C600 LXI H C700 21 ; Initialize the HL register pair

C601 00 ;

C602 C7 ;

C603 MOV A M 7E ; Move the content of memory to accumulator

C604 MOV D A 57 ; Move accumulator content in to D register

C605 RAR 1F ; Rotate accumulator right

C606 XRA D AA ; Exclusive OR the content of D register

C607 INX H 23 ; Increment the HL register pair

C608 MOV M A 77 ; Move the accumulator content to memeory

C609 HLT 76 ; Halt the execution

What is 16bite address line in memory location?

A 16-bit address line in a memory location refers to the capability of the address bus to access up to 65,536 unique memory addresses, which is calculated as 2^16. Each address corresponds to a distinct memory location, allowing a system with a 16-bit address line to directly access 64 KB of memory. This limitation is typical in older computer architectures and affects how much RAM can be utilized by the system.

Why is there data collision in bus network?

Data collision in a bus network occurs when multiple devices attempt to transmit data simultaneously over the same communication channel. Since the bus network shares a single communication line, overlapping signals can interfere with each other, leading to corrupted data. This situation is typically managed by using protocols like Carrier Sense Multiple Access with Collision Detection (CSMA/CD), which helps devices sense the channel's status before transmitting. If a collision is detected, the devices will wait for a random time before attempting to retransmit, minimizing future collisions.

How many address lines in 8088?

The Intel 8088 microprocessor has 20 address lines. This allows it to address up to 1 MB (2^20 bytes) of memory. The address lines are labeled A0 to A19, enabling the microprocessor to access a wide range of memory locations.

What is interrupt handler service?

They are the ones that reports errors when compiling codes in an programming language.

Why are PC and sp 16 bit register?

The Program Counter (PC) and Stack Pointer (SP) are 16-bit registers in certain architectures, like the x86 architecture in its real mode, because they are designed to address memory locations directly within a 64KB address space. Using 16 bits allows these registers to hold values ranging from 0 to 65,535, which corresponds to the maximum addressable memory in that mode. This design choice was influenced by the historical context of early computing when memory sizes were smaller and 16-bit processing was common. As architectures evolved, larger registers and addressing modes were introduced to accommodate greater memory requirements.