| Property 8085 Microprocessor 8086 Microprocessor | Memory Segmentation supports Does not support Supports | Number of transistors Nearly 6500 Nearly 29000 | Processor type Accumulator based General Purpose register based | Presence of Minimum and Maximum mode Not present Present |
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What are the addressing capacity of 8085 microprocessor and 8086 microprocessor?
Size − 8085 is 8-bit microprocessor, whereas 8086 is 16-bit microprocessor. Address Bus − 8085 has 16-bit address bus while 8086 has 20-bit address bus. Memory −
8085 can access up to 64Kb
, whereas 8086 can access up to 1 Mb of memory.
Which flag is not 8086 in 8085?
| Serial No. 8085 microprocessor | 7 It does not support pipe-lining. | 8 It does not support instruction queue. | 9 Memory space is not segmented. | 10 It consists of 5 flags(Sign Flag, Zero Flag , Auxiliary Carry Flag, Parity Flag, Carry Flag). |
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What is the major difference between 8080 and 8085 microprocessor?
| Sr.No. 8080 microprocessor 8085 microprocessor | 10 8080 supports upto 256 Input/Output(I/P) ports. 8085 also supports upto 256 Input/Output(I/P) ports. |
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What are different characteristics of 8086 microprocessor?
1) The 8086 is a 16-bit microprocessor. The term “16-bit” means that its arithmetic logic unit, internal registers and most of its instructions are designed to work with 16-bit binary words. 2) The 8086 has a
16-bit data bus
, so it can read data from or write data to memory and ports either 16 bits or 8 bits at a time.
What are the six basic features of the 8086 microprocessor?
Features of 8086
It has
an instruction queue
, which is capable of storing six instruction bytes from the memory resulting in faster processing. It was the first 16-bit processor having 16-bit ALU, 16-bit registers, internal data bus, and 16-bit external data bus resulting in faster processing.
What are the features of microprocessor?
- Clock Speed. Every microprocessor has an internal clock that regulates the speed at which it executes instructions and also synchronizes it with other components. …
- Word Size. Number of bits that can be processed by a processor in a single instruction is called its word size. …
- Instruction Set. …
- CPU. …
- Bus. …
- Memory.
Which is the function of microprocessor?
A microprocessor controls all functions of
the CPU, or central processing unit
, of a computer or other digital device. The microprocessor functions as an artificial brain. The entire function of the CPU is controlled by a single integrated circuit.
What is minimum and maximum mode in 8086 microprocessor?
In
minimum mode there can be only one processor i.e. 8086
. In maximum mode there can be multiple processors with 8086, like 8087 and 8089. … ALE for the latch is given by 8086 as it is the only processor in the circuit. ALE for the latch is given by 8288 bus controller as there can be multiple processors in the circuit.
Does microprocessor have memory?
There are two basic kinds of memory used in microprocessor systems – commonly called
Read Only Memory and Read / Write Memory
, but more usually called ROM and RAM – “Read Only Memory” and “Random Access Memory”. … Storing these in ROM means they always available, even when the computer has only just been switched on.
Why is 8085 better than 8086?
There are some advantages of 8086 over 8085 e.g.
more memory, faster clock speeds, backward compatibility, sort of better math etc
. some of them are as follows: 8086 is 16 bit microprocessor whereas 8085 is 8 bit microprocessor. 8086 has 20 bit address bus while 8085 has 16 bit address buss.
What are the 8086 interrupt types?
The 8086 has two hardware interrupt pins, i.e.
NMI and INTR
. NMI is a non-maskable interrupt and INTR is a maskable interrupt having lower priority. One more interrupt pin associated is INTA called interrupt acknowledge.
What is the purpose of Zero flag?
Along with a carry flag, a sign flag and an overflow flag, the zero flag is
used to check the result of an arithmetic operation, including bitwise logical instructions
. It is set to 1, or true, if an arithmetic result is zero, and reset otherwise.
What is the major difference between Intel 8080 and 8086?
8086 was designed to make
asm source porting
from 8080 easy (not the other direction). It is not binary compatible with 8080, and not source-compatible either. 8080 is not an x86 CPU. 8080 is a more distant ancestor that had some influence on the design of 8086, but it’s not the same architecture.
What was the first microprocessor?
The first
Intel® 4004 microprocessor
was produced on two-inch wafers compared to the 12-inch wafers commonly used for today’s products. The Intel 4004 microprocessor is unique in that it is one of the smallest microprocessor designs that ever went into commercial production.
What is the difference between microprocessor and microcontroller?
Microprocessor consists of only a Central Processing Unit, whereas Micro Controller contains a CPU, Memory, I/O all integrated into one chip. … The microprocessor uses an external bus to interface to RAM, ROM, and other peripherals, on the other hand, Microcontroller
uses an internal controlling bus
.
