8085 microprocessor has ________ individual flags during arithmetic and logic operations.

1 Answer

Answer :

8085 microprocessor has 5 individual flags during arithmetic and logic operations.

Related questions

Description : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register 

Last Answer : In the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following? A) Stack B) ALU C) I/O D) Register 

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. 

Description : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Last Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

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 

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 

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 

Description : In an 8085 microprocessor, after the execution of XRA A instruction A) the carry flag is set B) the accumulator contains FFH C) the zero flag is set D) the accumulator contents are shifted left by one bit

Last Answer :  In an 8085 microprocessor, after the execution of XRA A instruction the zero flag is set 

Description : In 8085 microprocessor, the value of the most significant bit of the result following the execution of any arithmetic of Boolean instruction is stored in the (1) Carry status flag (2) Auxiliary carry status flag (3) Sign status flag (4) Zero status flag

Last Answer : In 8085 microprocessor, the value of the most significant bit of the result following the execution of any arithmetic of Boolean instruction is stored in the Sign status flag

Description : When a program is being executed in an 8085 microprocessor, its Program Counter contains  (A) the number of instructions in the current program that have already been executed (B) the total number ... is being currently executed (D) the memory address of the instruction that is to be executed next

Last Answer : When a program is being executed in an 8085 microprocessor, its Program Counter contains the memory address of the instruction that is to be executed next

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

Description : Intel's 8085 microprocessor chip contains  (A) seven 8 bit registers (B) 8 seven bits registers (C) seven 7 bit registers (D) eight 8 bit registers.

Last Answer : Intel's 8085 microprocessor chip contains seven 8 bit registers

Description : Consider the following program segment with 8085 microprocessor  LXI H 3600H  MOV A, M  HLT  The MOV instruction involves (a) indirect addressing (b) immediate addressing (c) implicit addressing (d) direct addressing

Last Answer : Consider the following program segment with 8085 microprocessor  LXI H 3600H  MOV A, M  HLT  The MOV instruction involves (a) indirect addressing (b) immediate addressing (c) implicit addressing (d) direct addressing

Description : To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be  (a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE 

Last Answer : To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be  (a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE 

Description : Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ?  (a) Parity (b) Carry (c) Zero (d) Sign

Last Answer : Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ?  (a) Parity (b) Carry (c) Zero (d) Sign

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

Description : The 8085 is a – microprocessor   1. 4 bit 2. 8 bit 3. 16 bit 4. 32 bit 

Last Answer : The 8085 is a 8 bit 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

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

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

Description : In 8086 microprocessor , the address bus is ________ bit wide A. 12 bit B. 10 bit C. 16 bit D. 20 bit

Last Answer : In 8086 microprocessor, the address bus is 20 bit

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 

Description : The control unit of a microprocessor A) Stores data in the memory B) Accepts input data from keyboard C) Performs arithmetic/logic function D) None of above

Last Answer : Answer : D

Description : Which microprocessor has the control unit, memory unit and arithmetic and logic unit: a. Pentium IV processor b Pentium V processor c. Pentium III processor d. None of these

Last Answer : a. Pentium IV processor

Description : The ALU gives the output of the operations and the output is stored in the ________ a) Memory Devices b) Registers c) Flags d) Output Unit

Last Answer : Answer: b Explanation: Any output generated by the ALU gets stored in the registers. The registers are the temporary memory locations within the processor that are connected by signal paths to the CPU

Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. A) Arithmetic and Logic Unit B) Control Unit C) Both of above D) None of above

Last Answer : Answer : A

Description : The secondary storage devices can only store data but they cannot perform A) Arithmetic Operation B) Logic operation C) Fetch operations D) Either of the above

Last Answer : Answer : D

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 : Primary

Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above

Last Answer : Either of the above

Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above d. None of above

Last Answer : Arithmetic and Logic Unit

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

Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above

Last Answer : d. Either of the above

Description : Pick the one that is used for logical operations or comparisons such as less than equal to or greater than. a. Arithmetic and Logic Unit b. Control Unit c. Both of above

Last Answer : a. Arithmetic and Logic Unit

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

Description : The secondary storage devices can only store data but they cannot perform a. Arithmetic Operation b. Logic operation c. Fetch operations d. Either of the above

Last Answer : d. Either of the above

Description : Arithmetic and Logic Unit I. Perform Arithmetic operations II. Store Data III. Perform comparisons IV. Communicate with input devices Which of the following is true ? (1) I only (2) III only (3) I and II (4) I and III

Last Answer : I and III

Description : In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address A) 0000 H B) 002C H C) 0024 H D) 0004 H

Last Answer : In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine on address 0024 H

Description : What Are The Various Flags Used In 8085?

Last Answer : Answer :Sign flag, Zero flag, Auxillary flag, Parity flag, Carry flag.

Description : ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU. A. Accumulator B. Bus C. Buffer D. None of the Above

Last Answer : A. Accumulator

Description : In 8086 the overflow flag is set when a) The sum is more than 16 bits b) Signed numbers go out of their range after an arithmetic operation c) Carry and sign flags are set

Last Answer : b) Signed numbers go out of their range after an arithmetic operation

Description : The 16 bit flag of 8086 microprocessor is responsible to indicate ___________ A. the condition of result of ALU operation B. the condition of memory C. the result of addition D. the result of subtraction 

Last Answer : The 16 bit flag of 8086 microprocessor is responsible to indicate the condition of result of ALU operation

Description : The intel 8086 microprocessor is a _______ processor A. 8 bit B. 16 bit C. 32 bit D. 4 bit

Last Answer : The intel 8086 microprocessor is a 16 bit processor 

Description : The purpose of the microprocessor is to control ______  A. memory B. switches C. processing D. tasks

Last Answer : The purpose of the microprocessor is to control memory 

Description : Microprocessor is the ______ of the computer and it perform all the computational tasks  A. main B. heart C. important D. simple

Last Answer : Microprocessor is the heart of the computer and it performs all the computational tasks

Description : Microprocessor is a/an _______ circuit that functions as the CPU of the compute  A. electronic B. mechanic C. integrating D. processing

Last Answer : Microprocessor is a/an electronic  circuit that functions as the CPU of the compute 

Description : A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.  A. multiple B. single C. double D. triple

Last Answer : A microprocessor is a single chip integrating all the functions of a CPU of a computer.

Description :  In a 16-bit microprocessor, a single word is A) 16 bit data B) 32 bit data C) 8 bit data D) 64 bit data 

Last Answer :  In a 16-bit microprocessor, a single word is 16 bit data

Description : What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

Last Answer : What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins 

Description :  In a microprocessor, the address of the next instruction to be executed, is stored in A) Stack pointer B) Address latch C) Program counter D) General purpose register

Last Answer :  In a microprocessor, the address of the next instruction to be executed, is stored in Program counter

Description : To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even address, the number of Read or Write cycles required is

Last Answer : To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even address, the number of Read or Write cycles required is one

Description : In a microprocessor the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set but the interrupt can be delayed or rejected. Such an interrupt is 

Last Answer : In a microprocessor the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set but the interrupt can be delayed or rejected. Such an interrupt is Maskable and vectored

Description : Chock Speed of which Intel microprocessor is 3 GHz?  a. Core 2 Duo b. Core 2 Quad c. Pentium 4 d. Pentium III 

Last Answer : Chock Speed of which Intel microprocessor is 3 GHz?  a. Core 2 Duo b. Core 2 Quad c. Pentium 4 d. Pentium III