The SF is called as ________ A. service flag B. sign flag C. single flag D. condition flag

The SF is called as ________ A. service flag B. sign flag C. single flag D. condition flag
by

1 Answer

Answer :

The SF is called as sign flag

by

Related questions

The CF is known as ________ A. carry flag B. condition flag C. common flag D. single flag

Description : The CF is known as ________ A. carry flag B. condition flag C. common flag D. single flag

Last Answer : The CF is known as carry flag

The contents of Register (BL) and Register (AL) of 8085 microprocessor are 49H and 3AH respectively. The contents of AL, the status of carry flag (CF) and sign flag (SF) after executing 'SUB AL, BL' assembly language instruction, are (1) AL=0FH; CF=1; SF=1 (2) AL=F0H; CF=0; SF=0 (3) AL=F1H; CF=1; SF=1 (4) AL=1FH; CF=1; SF=1

Description : The contents of Register (BL) and Register (AL) of 8085 microprocessor are 49H and 3AH respectively. The contents of AL, the status of carry flag (CF) and sign flag (SF) after executing 'SUB AL, BL' assembly language instruction, are ( ... ; CF=0; SF=0 (3) AL=F1H; CF=1; SF=1 (4) AL=1FH; CF=1; SF=1

Last Answer : Answer: 3

The IF is called as _________ A. initial flag B. indicate flag C. interrupt flag D. inter flag

Description : The IF is called as _________ A. initial flag B. indicate flag C. interrupt flag D. inter flag

Last Answer : The IF is called as  interrupt flag

The OF is called as _______ A. overflow flag B. overdue flag C. one flag D. over flag

Description : The OF is called as _______ A. overflow flag B. overdue flag C. one flag D. over flag 

Last Answer : The OF is called as overflow flag

The 16 bit flag of 8086 microprocessor is responsible to indicate ___________

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

Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ?

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

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

The register AX is formed by grouping ________

Description : The register AX is formed by grouping ________  A. AH & AL B. BH & BL C. CH & CL D. DH & DL

Last Answer : The register AX is formed by grouping AH & AL

The work of EU is ________ A. encoding B. decoding C. processing D. calculations

Description : The work of EU is ________ A. encoding B. decoding C. processing D. calculations 

Last Answer : The work of EU is decoding 

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

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

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 

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

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

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

In a 16-bit microprocessor, a single word is

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

In a microprocessor the service routine for a certain interrupt starts from a fixed location of memory which

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

In SF, can you get two parking tickets for a single violation?

Description : In SF, can you get two parking tickets for a single violation?

Last Answer : Well, maybe they just don’t like you. I don’t think so. Granted, I can’t drive, nor do I live in SF, but i doesn’t seem like that makes sense. Either they should give you one 90$ one, or one 45$ one. Either way, it can’t hurt to call them and ask…

The status register is also called the____: a. Condition code register b. Flag register c. A and B d. None of these

Description : The status register is also called the____: a. Condition code register b. Flag register c. A and B d. None of these

Last Answer : c. A and B

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

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

Serial port vector address is of _______. And causes an interrupt when ________. a) 0013H, either TI or RI flag is set b) 0023H, either TI or RI flag is reset c) 0013H, either TI or RI flag is reset d) 0023H, either TI or RI flag is set

Description : Serial port vector address is of _______. And causes an interrupt when ________. a) 0013H, either TI or RI flag is set b) 0023H, either TI or RI flag is reset c) 0013H, either TI or RI flag is reset d) 0023H, either TI or RI flag is set

Last Answer : a) 0013H, either TI or RI flag is set

What is the best, inexpensive wireless service in SF?

Description : What is the best, inexpensive wireless service in SF?

Last Answer : Generally you handle the wireless part on premises. What you want is the best ISP.

A flag isa __ __that keep track of a changing condition during computer run: a. Memory b. Register c. Controller d. None of these

Description : A flag isa __ __that keep track of a changing condition during computer run: a. Memory b. Register c. Controller d. None of these

Last Answer : d. None of these

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

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 

In 1960's texas institute invented ______

Description : In 1960's texas institute invented ______ A. integrated circuits B. microprocessor C. vacuum tubes D. transistors

Last Answer : Microprocesssor

The first digital electronic computer was built in the year________

Description : The first digital electronic computer was built in the year________  A. 1950 B. 1960 C. 1940 D. 1930

Last Answer : The first digital electronic computer was built in the year 1940 

The purpose of the microprocessor is to control ______

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 

Microprocessor is the ______ of the computer and it perform all the computational tasks

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

Microprocessor is a/an _______ circuit that functions as the CPU of the compute

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 

A microprocessor is a _______ chip integrating all the functions of a CPU of a computer.

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.

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 the 8085A Microprocessor, arithmetic and logical operations are performed through which of the following?

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 

The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse

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

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 

In 8085, whenever a signal is received at TRAP terminal, its program execution is transferred to a subroutine

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

What is the Power Supply specification for 8085AH microprocessor?

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 

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 

The 8O85 assembly language instruction that stores the contents of H and L registers into the memory

Description : The 8O85 assembly language instruction that stores the contents of H and L registers into the memory locations 2050H and 2051H, respectively, is: A) SPHL 2050H B) SPHL 2051H C) SHLD 2050H D) STAX 2050H

Last Answer : The 8O85 assembly language instruction that stores the contents of H and L registers into the memory locations 2050H and 2051H, respectively, is: SHLD 2050H

In a microprocessor, the address of the next instruction to be executed, is stored in

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

In an 8085 microprocessor, after the execution of XRA A instruction

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 

In 8085 microprocessor, the value of the most significant bit of the result following the execution of any

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

To read or write a complete word from / to the memory in 8086 microprocessor and if it is located at an even

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

When a program is being executed in an 8085 microprocessor, its Program Counter contains

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

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

Chock Speed of which Intel microprocessor is 3 GHz?

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 

Intel's 8085 microprocessor chip contains

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

A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is

Description : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is  (a) 1 GB (b) 100 MB (c) 10 MB (d) 10 GB

Last Answer : A disk has 500 bytes/sector,100 sectors / track, 20 heads and 1000 cylinders. Total capacity of disk is 1 GB

Suppose that the same clock signal is used to increment the microprogram counter and to load the control

Description : Suppose that the same clock signal is used to increment the microprogram counter and to load the control register. Which of the following assertion(s) is/are true?  1. Microinstruction execution time is at least two clock periods.  ... other types.  (a) 1 only (b) 2 only (c) 1 and 3 (d) 2 and 3

Last Answer : Suppose that the same clock signal is used to increment the microprogram counter and to load the control register. Which of the following assertion(s) is/are true?  1. Microinstruction execution time is at least two clock periods.  ... types.  (a) 1 only (b) 2 only (c) 1 and 3 (d) 2 and 3

Some system architects do not find RISC instruction repertoire to be cost-effective because it

Description : Some system architects do not find RISC instruction repertoire to be cost-effective because it  (a) result in large increase in programme size (b) result in complex structure of microcode ... available instructions (d) results in complex decoding of opcode filed resulting in longer execution time

Last Answer : Some system architects do not find RISC instruction repertoire to be cost-effective because it  (a) result in large increase in programme size (b) result in complex structure of ... available instructions (d) results in complex decoding of opcode filed resulting in longer execution time

A stake machine pushes operands on a stack and evaluates binary operators by a pcs (i.e pop/compute/store)

Description : A stake machine pushes operands on a stack and evaluates binary operators by a pcs (i.e pop/compute/store) where the top two operands are popped computation is performed and the result is pushed onto stack. ... 1 pcs instructions (c) 4 push and 1 pcs instructions (d) 5 push and 2 pcs instructions 

Last Answer : A stake machine pushes operands on a stack and evaluates binary operators by a pcs (i.e pop/compute/store) where the top two operands are popped computation is performed and the result is pushed onto stack. ... 1 pcs instructions (c) 4 push and 1 pcs instructions (d) 5 push and 2 pcs instructions 

A dot matrix printer takes 3 msec to point a character, and 1 msec for a space between two consecutive

Description : A dot matrix printer takes 3 msec to point a character, and 1 msec for a space between two consecutive characters. If it prints 100 characters per line, its printing speed specifications in characters per second (cps) and time ... 2500 cps and 0.04 sec (c) 250 cps and 40 msec (d) 250 cps and 0.4 sec

Last Answer : A dot matrix printer takes 3 msec to point a character, and 1 msec for a space between two consecutive characters. If it prints 100 characters per line, its printing speed specifications in characters per second (cps) and time ... cps and 0.04 sec (c) 250 cps and 40 msec (d) 250 cps and 0.4 sec

Consider the following program segment with 8085 microprocessor

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