Accumulator based microprocessor example are: a. Intel 8085 b. Motorola 6809 c. A and B d. None of these

Accumulator based microprocessor example are:
a. Intel 8085
b. Motorola 6809
c. A and B
d. None of these
by

1 Answer

Answer :

c. A and B
by

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Last Answer : In an 8085 microprocessor, the contents of the Accumulator, after the following instructions are executed will become   XRA A   MVI B, F0 H   SUB B  (A) 01 H (B) 0F H (C) F0 H (D) 10 H

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Description : The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged. Which instruction is to be used?  (a) MOV A,A (b) ANI 00H (c) XRA A (d) CMP A

Last Answer : The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged. Which instruction is to be used?  (a) MOV A,A (b) ANI 00H (c) XRA A (d) CMP A

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Description : In an 8085 microprocessor, the contents of accumulator, after the following instructions are executed will become   XRA A   MVI B F0H   SUB B   (a) 01 H (b) 0F H (c) F0 H (d) 10 H

Last Answer : In an 8085 microprocessor, the contents of accumulator, after the following instructions are executed will become   XRA A   MVI B F0H   SUB B   (a) 01 H (b) 0F H (c) F0 H (d) 10 H

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

How many operations are there in the instruction set of 8085 microprocessor?

Description : How many operations are there in the instruction set of 8085 microprocessor?

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List the 16 – bit registers of 8085 microprocessor.

Description : List the 16 – bit registers of 8085 microprocessor.

Last Answer : Stack pointer (SP) and Program counter (PC).

What is Microprocessor? Give the power supply & clock frequency of 8085

Description : What is Microprocessor? Give the power supply & clock frequency of 8085

Last Answer : A microprocessor is a multipurpose, programmable logic device that reads binary instructions from a storage device called memory accepts binary data as input and processes data according ... provides result as output. The power supply of 8085 is +5V and clock frequency in 3MHz.

What type of architecture is used in 8085 microprocessor?

Description : What type of architecture is used in 8085 microprocessor?

Last Answer : Ans- INTEL 8085 is a 8-bit microprocessor. It's based on Von-Neumann architecture in which the data and instructions are in the same memory space without any distinction between them. Data line: 8-bits--Can ... of data at a time. Address line: 16-bits--Can address upto 2^16(64KB) of address space.

What is function of ALE in 8085 microprocessor?

Description : What is function of ALE in 8085 microprocessor?

Last Answer : Ans-AlE stands for the address latch enableit 's working is that it differentiate the address and data bus in microprocessor.when it is high it select address bus .when it is low it select data bus.

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Last Answer : d. All of these

Microprocessor 8085 can address location upto a. 32K b. 128K c. 64K d. 1M

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Last Answer : c. 64K

To put the 8085 microprocessor in the wait state(i) lower the-HOLD input (ii) lower the READY input (iii) raise the HOLD input(iv) raise the READY input

Description : To put the 8085 microprocessor in the wait state(i) lower the-HOLD input (ii) lower the READY input (iii) raise the HOLD input(iv) raise the READY input

Last Answer : (ii) lower the READY input

Explain Briefly The Flag Register In The 8085 Microprocessor.?

Description : Explain Briefly The Flag Register In The 8085 Microprocessor.?

Last Answer : Answer :The flag register in 8085 is an 8-bit register which contains 5 bit positions. These five flags are of 1bit F/F and are known as zero, sign, carry, parity and auxiliary carry. ... addition and subtraction operations. The parity flag is used for results containing an even number of one's.

Mention The Various Functional Blocks Of The 8085 Microprocessor.?

Description : Mention The Various Functional Blocks Of The 8085 Microprocessor.?

Last Answer : Answer :The various functional blocks of the 8085 microprocessor are: Registers Arithmetic logic unit Address buffer Increment / decrement address latch Interrupt control Serial I/O control Timing and control circuitry Instructions decoder and machine cycle encoder.

How Can Signals Be Classified For The 8085 Microprocessor?

Description : How Can Signals Be Classified For The 8085 Microprocessor?

Last Answer : Answer :The signals of the 8085 microprocessor based on their functions can be classified into 7 categories namely: Frequency and power signals Address and data buses The control bus Interrupt Signals Serial Input / Output signals DMA signals Reset Signals

Enlist the features of 8085 microprocessor.

Description : Enlist the features of 8085 microprocessor.

Last Answer : Features of 8085 microprocessor: 1. 16 address line so 216=64 Kbytes of memory can be addressed. 2. Operating clock frequency is 3MHz and minimum clock  frequency is 500 KHz. 3. On chip bus ... cycle TTL clock 10. Provide 2 serial I/O lines, so peripheral can be interfaced with  8085 μp

State the functions of temporary registers of 8085 microprocessor.

Description : State the functions of temporary registers of 8085 microprocessor.

Last Answer : Temp Register (8 bits) is also called as operand register as it is used by μp for storing one of the operands during an operation and also for storing the result of any execution temproary.

List any four salient features of 8085 microprocessor

Description : List any four salient features of 8085 microprocessor

Last Answer : Features of 8085:  1. 16 address line so 216=64 Kbytes of memory can be addressed.  2. Operating clock frequency is 3MHz and minimum clock frequency is 500 KHz.  3. On chip bus controller ... duty cycle TTL clock  10. Provide 2 serial I/O lines, so peripheral can be interfaced with 8085 μp

The 8085 Microprocessor has

Description : The 8085 Microprocessor has A) 8-bits Data bus and 16-bits Address bus B) 8-bits Data bus and 8-bits Address bus C) 16-bits Data bus and 16-bits Address bus D) 32-bits Data bus and 8-bits Address bus 

Last Answer : B) 8-bits Data bus and 8-bits Address bus. 

In 8085 microprocessor, how many T-states does OPCODE FETCH machine cycle normally require

Description : In 8085 microprocessor, how many T-states does OPCODE FETCH machine cycle normally require (i.e., when HOLD and WAIT signals are NOT forced)? A) 4 to 6 B) 3 to 8 C) 2 to 3 D) 8 to 12 

Last Answer : In 8085 microprocessor, how many T-states does OPCODE FETCH machine cycle normally require (i.e., when HOLD and WAIT signals are NOT forced)? A) 4 to 6 B) 3 to 8 C) 2 to 3 D) 8 to 12 

Then number of T-states of the instruction STA in 8085 microprocessor is

Description : Then number of T-states of the instruction STA in 8085 microprocessor is A) 10 B) 12 C) 13 D) 16 

Last Answer : Then number of T-states of the instruction STA in 8085 microprocessor is 13 

What is the size of memory which can be accessed by direct accessing in 8085 microprocessor?

Description : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB 

Last Answer : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB 

What is the size of SP register in 8085 microprocessor?

Description :  What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits

Last Answer :  What is the size of SP register in 8085 microprocessor? A) 16 bits B) 8 bits C) 64 bits D) 48 bits

Which of the following instructions is not available in 8085 microprocessor?

Description : Which of the following instructions is not available in 8085 microprocessor? (A) LDA 3850 (B) XTHL (C) push PSW (D) LDAXH

Last Answer : Which of the following instructions is not available in 8085 microprocessor? (A) LDA 3850 (B) XTHL (C) push PSW (D) LDAXH

The ALE line of an 8085 microprocessor is used to

Description : The ALE line of an 8085 microprocessor is used to (A) latch the output of an I/O instruction into an external latch. (B) deactivate the chip-select signal from memory devices. (C) find the interrupt ... of the TRAP interrupt. (D) latch the 8 bits of address lines AD7-AD0 into an external latch.

Last Answer : The ALE line of an 8085 microprocessor is used to latch the 8 bits of address lines AD7-AD0 into an external latch.

Which is the microprocessor launched by Intel: a. Z-8 b. 8080 c. 8000 d. None of these

Description : Which is the microprocessor launched by Intel: a. Z-8 b. 8080 c. 8000 d. None of these

Last Answer : b. 8080

How many bit microprocessor developed by Intel: a. 4 bit b. 8 bit c. 32 bit d. 64 bit

Description : How many bit microprocessor developed by Intel: a. 4 bit b. 8 bit c. 32 bit d. 64 bit

Last Answer : b. 8 bit

Intel 8008 microprocessor was introduced in: a. 1971 b. 1973 c. 1999 d. 1988

Description : Intel 8008 microprocessor was introduced in: a. 1971 b. 1973 c. 1999 d. 1988

Last Answer : b. 1973

Intel 8008 microprocessor realizing in: a. 1971 b. 1973 c. 1999 d. 1988

Description : Intel 8008 microprocessor realizing in: a. 1971 b. 1973 c. 1999 d. 1988

Last Answer : a. 1971