Intel 8085

Lxih, 2200

mov c,m

inxh

mov a,m

inxh

cmp m

jc l1

mov a,m

dcr c

jnz l2

inhx

mov m,a

hlt

20x20

1-8-4-3-6-5-7-2

It will require 4 machine cycles,

1.opcode fetch

2.memory read

3. memory read

4. memory write

Its refer to modifier 63, the instruction is to not report modifier 63 in conjunction with CPT code 65820.

iOS is the operating system used in iPod Touch, iPhone and iPad, made by Apple.

Inter-organizational Systems (IOS)

With respect to Electronic Commerce, an IOS involves the flow of information among two or more organizations. IOS support efficient transaction processing for example transmitting orders, bills and payments using EDI or extranets. In IOS all relationships are predetermined. There is no need of negotiation. Whereas in electronic markets sellers and buyers negotiate, submit bids, agree on an order and finish the transaction. IOS are used mainly for B2B applications. Whereas electronic markets exist in both B2B and B2C cases.

A7a

It's language that does not change

used as implicit operand

In the 8085, the high order address is A8-A15. In the 8086/8088, the high order address is A8-A19. (For a 16-bit address, the answer is A8-A15, but the answer above reflects the chosen categories, 8085 and 8086/8088, with the 8086/8088 running in 20-bit mode.) In Windows XP, running in 32-bit mode, the high order address is A8-A31, a 32 bit address.

Yes. Today's microprocessors have many, many times more transistors than those of the 1970's.

hl pair holds the address of the location pointed by the memory pointer M

a := a XOR b

b := a XOR b

a := a XOR b

it works, but never use it in real programs

do you know why its not used in real program??

HL is a general purpose 16 bit register. It is also the address in memory of the M register.

Incorrect. Fetching and decoding of any instruction takes a minimum of four clock cycles in the 8085.

T1 = ALE and address emission

T2 = Read initiation

T3 = Read completion

T4 = Opcode decode

T1, T2, and T3 are repeated for each additional byte of the instruction. In all cases, Twait, if indicated by not READY, is inserted between T2 and T3.

12

n-channel mosfet

The NOP (No Operation) instruction takes time but does nothing to the data or the status of the microprocessor. When executed in a loop, it can take substantial time, from microseconds, to milliseconds, to seconds.

DMA is the same thing as bus-mastering.

Effective address is the final address generated by offsetting and indexing which is sent to the virtual translation logic. It is the address of the operand in the virtual address space of the process, but not necessarily the address of the operand in the physical address space of the computer.

In the 8085, efffective/virtual address is the same as physical address, because there is no virtual addressing logic in the 8085. In the 8086/8088, effective/virtual address is the same as physical address, but only in real mode.

For example, in the 8086/8088, if the EBX register contains 1000000H, then the instruction MOV EAX,[EBX+1234H] has an effective address of 10001234H.

Open Shortest Path First (OSPF) is a type of routing protocol known as an interior gateway protocol or an interior routing protocol. The routers in an internet are responsible for receiving and forwarding packets through the interconnected set of networks. Each router makes routing decisions based on knowledge of the topology and traffic/delay conditions of the internet. The routing protocol between routers is used to exchange topology and traffic delay information. An interior routing protocol is used within a portion of the internet called an autonomous system, which simply means a connected set of routers that are managed by a single organization. OSPF is the most commonly used interior routing protocol.

refer to microprocessor-p raja

Fetch

because in last of a loop the condition is not satisfied that's why it needs only 7 t-state

The hardware initiates an interrupt when it feels that the situation requires the CPU's action.