In Microprocessor one of the operands holds a special register called: a. Calculator b. Dedicated c. Accumulator d. None of these

In Microprocessor one of the operands holds a special register called:
a. Calculator
b. Dedicated
c. Accumulator
d. None of these
by

1 Answer

Answer :

c. Accumulator
by

Related questions

In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Description : In an 8085 microprocessor, the instruction CMP B has been executed while the contentsof accumulator is less than that of register B. As a result carry flag and zero flag will berespectively (A) set, reset (B) reset, set (C) reset, reset (D) set, set

Last Answer : (A) set, reset

What is the store by register: a. data b. operands c. memory d. None of these

Description : What is the store by register: a. data b. operands c. memory d. None of these

Last Answer : a. data

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

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

Last Answer : c. A and B

Which is used to store critical pieces of data during subroutines and interrupts: a. Stack b. Queue c. Accumulator d. Data register

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Last Answer : a. Stack

Name of typical dedicated register is: a. PC b. IR c. SP d. All of these

Description : Name of typical dedicated register is: a. PC b. IR c. SP d. All of these

Last Answer : d. All of these

How many parts of dedicated register: a. 2 b. 4 c. 5 d. 6

Description : How many parts of dedicated register: a. 2 b. 4 c. 5 d. 6

Last Answer : c. 5

Which register is a temporary storage location: a. general purpose register b. dedicated register c. A and B d. none of these

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There are primarily two types of register: a. general purpose register b. dedicated register c. A and B d. none of these

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Calculator are based on______ microprocessor: a. 4 bit b. 16 bit c. 32 bit d. 64 bit

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Last Answer : a. 4 bit

The___ was very successful in the calculator market at that time: a. Motorola 6800 and 6809 b. Microprocessor 4004 c. Intel 8085 d. None of these

Description : The___ was very successful in the calculator market at that time: a. Motorola 6800 and 6809 b. Microprocessor 4004 c. Intel 8085 d. None of these

Last Answer : b. Microprocessor 4004

The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Description : The stack pointer in the 8085 microprocessor is a: a) 16 bit register that points to stack memory locations b) 16 bit accumulator c) Memory location in the stack d) None of The Above

Last Answer : a) 16 bit register that points to stack memory locations

Which is the components of microprocessor: a. Register unit b. Arithmetic and logical unit c. Timing and control unit d. All of these

Description : Which is the components of microprocessor: a. Register unit b. Arithmetic and logical unit c. Timing and control unit d. All of these

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A stack pointer is a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory. b. a register that decodes and executes 16-bit arithmetic expression. c. The first memory location where a subroutine address is stored. d. a register in which flag bits are stored

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Last Answer : a. a 16-bit register in the microprocessor that indicate the beginning of the stack memory.

A stack is a. an 8-bit register in the microprocessor b. a 16-bit register in the microprocessor c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer

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Last Answer : c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer

Which is the microprocessor comprises: a. Register section b. One or more ALU c. Control unit d. All of these

Description : Which is the microprocessor comprises: a. Register section b. One or more ALU c. Control unit d. All of these

Last Answer : d. All of these

____is used to control the cache with two new control bits not present in the 80386 microprocessor. What are the bits used to control the 8K byte cache? a) CR0, CD, NW b) CR0, NW, PWT c) Control Register Zero, PWT, PCD d) none

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Last Answer : d) none

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.

The microprocessor can read/write 16 bit data from or to ________ A. memory B. I /O device C. processor D. register

Description : The microprocessor can read/write 16 bit data from or to ________ A. memory B. I /O device C. processor D. register

Last Answer : The microprocessor can read/write 16 bit data from or to memory 

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

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack

Last Answer : d. stack

What are the functions of an accumulator?

Description : What are the functions of an accumulator?

Last Answer : The accumulator is the register associated with the ALU operations and sometimes I/O operations. It is an integral part of ALU. It holds one of data to be processed by ALU. It also temporarily stores the result of the operation performed by the ALU.

The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH

Description : The contents of accumulator before CMA instruction is A5H. Its content after instructionexecution isa) A5H b) 5AH

Last Answer : b) 5AH

Actual data processing operations are performed in the arithmetic logic section, but not in the …. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary

Description : Actual data processing operations are performed in the arithmetic logic section, but not in the …. Storage section of a processor unit a. Primary b. Accumulator c. Buffer d. Secondary

Last Answer : a. Primary

A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is a. Memory b. Buffer c. Accumulator d. Address

Description : A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is a. Memory b. Buffer c. Accumulator d. Address

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LA stands for: a. Load accumulator b. Least accumulator c. Last accumulator d. None of these

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Last Answer : a. Load accumulator

What is the Result of RR A instruction if accumulator contains 1000 0000. a) 0000 0001 b) 0000 0000 c) 0100 0000 d) 0000 0010

Description : What is the Result of RR A instruction if accumulator contains 1000 0000. a) 0000 0001 b) 0000 0000 c) 0100 0000 d) 0000 0010

Last Answer : a) 0000 0001

Which of the following instruction perform the move accumulator to external RAM of 16bit address? a) MOV @ DPTR, A b) MOVX @ Ri, A c) MOV A, @ Ri d) MOVX @ DPTR, A

Description : Which of the following instruction perform the move accumulator to external RAM of 16bit address? a) MOV @ DPTR, A b) MOVX @ Ri, A c) MOV A, @ Ri d) MOVX @ DPTR, A

Last Answer : c) MOV A, @ Ri

Which of the following instruction perform as of indirect RAM to accumulator? a) MOV A, Rn b) MOV @Ri, A c) MOV A, @Ri d) MOV Rn, A

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The source/destination of operands can be the_ or one of the general-purpose register: a. Memory b. One c. both d. None of these

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Last Answer : a. Memory

What is meant by a dedicated computer? a. which is used by one person only b. which is assigned to one and only one task c. which does one kind of software d. which is meant for application software only

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Most of the inexpensive personal computer does not have any disk or diskette drive. What is the name of such computes? a. Home computers b. Diskless computers c. Dedicated computer d. General computer

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Which of the following is used only for data entry and storage, and never for processing? a. Mouse b. Dumb terminal c. Micro computer d. Dedicated data entry system

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What is meant by a dedicated computer? a. Which is used by one person only b. Which is assigned one and only one task c. Which uses one kind of software d. Which is meant for application software

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Last Answer : d. Which is meant for application software

Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes? a. Home computers b. Diskless computers c. Dedicated computers d. General purpose computers

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Last Answer : a. Home computers

A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU

Description : A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU

Last Answer : a. CPU

The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called? a. monochip b. microprocessor c. ALU d. control unit

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Last Answer : b. microprocessor

The first microprocessor built by the Intel Corporation was called a. 8008 b. 8080 c. 4004 d. 8800

Description : The first microprocessor built by the Intel Corporation was called a. 8008 b. 8080 c. 4004 d. 8800

Last Answer : c. 4004

In microprocessor the next instruction to be executed is stored in a) Program Counter b) Stack Pointer c) Memory Pointer d) Accumulator

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Last Answer : Ans: Program Counter

In an 8085 microprocessor, the contents of the Accumulator, after the following instructions are executed

Description : 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

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

The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged.

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

In an 8085 microprocessor, the contents of accumulator, after the following instructions are

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

How does the microprocessor differentiate between data and instruction

Description : How does the microprocessor differentiate between data and instruction

Last Answer : When the first m/c code of an instruction is fetched and decoded in the instruction register, the microprocessor recognizes the number of bytes required to fetch the entire ... will be considered as data & the byte after the data will be treated as the next instruction.

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 )

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?

Last Answer : There are 74 operations in the 8085 microprocessor.

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).

List few applications of microprocessor-based system.

Description : List few applications of microprocessor-based system.

Last Answer : It is used: i. For measurements, display and control of current, voltage, temperature, pressure, etc. ii. For traffic control and industrial tool control. iii. For speed control of machines.

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.

Which are the architectural paradigms in microprocessor: a. RISC b. CISC c. PISC d. A and B

Description : Which are the architectural paradigms in microprocessor: a. RISC b. CISC c. PISC d. A and B

Last Answer : d. A and B