What Is Stack Pointer?

What Is Stack Pointer?
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Answer :Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address of the top of the stack.
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Related questions

What Is A Stack Pointer Register, Describe Briefly.?

Description : What Is A Stack Pointer Register, Describe Briefly.?

Last Answer : Answer :The Stack pointer is a sixteen bit register used to point at the stack. In read write memory the locations at which temporary data and return addresses are stored is known as the stack. ... to avoid program crashes a program should always be written at one end and initialized at the other.

The pointer of an indicating instrument should be?

Last Answer : The pointer of an indicating instrument should be very light.

Which Stack Is Used In 8085?

Description : Which Stack Is Used In 8085?

Last Answer : Answer :LIFO (Last In First Out) stack is used in 8085.In this type of Stack the last stored information can be retrieved first.

When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non executable, pointer and subroutine b. Executable, Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine

Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine

Last Answer : d. Executable, Stack and Subroutine

The _stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer: a. FIFO b. PIPO c. SISO d. LIFO

Description : The _stack can be 4-word memory addressed by 2 bits from an up/down counter known as the stack pointer: a. FIFO b. PIPO c. SISO d. LIFO

Last Answer : d. LIFO

Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer

Description : Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer

Last Answer : Cc. Instruction register

In stack organization address register is known as the: a. Memory stack b. Stack pointer c. Push operation d. Pop operation

Description : In stack organization address register is known as the: a. Memory stack b. Stack pointer c. Push operation d. Pop operation

Last Answer : b. Stack pointer

Which operation are done by increment or decrement the stack pointer: a. Push b. Pop ce. Both d. None

Description : Which operation are done by increment or decrement the stack pointer: a. Push b. Pop ce. Both d. None

Last Answer : ce. Both

The stack pointer is maintained in a : a. Data b. Register c. Address d. None of these

Description : The stack pointer is maintained in a : a. Data b. Register c. Address d. None of these

Last Answer : b. Register

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

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

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

Last Answer : Ans: Program Counter

When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is transferred to the program counter c. two data bytes stored in the top two locations of the stack are transferred to the program counter d. two data bytes stored in the top two locations of the stack are transferred to the stack pointer

Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer

Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter

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

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

Description : 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

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

SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these

Description : SP stand for: a. Stack pointer b. Stack pop c. Stack push d. None of these

Last Answer : a. Stack pointer

The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these

Description : The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these

Last Answer : a. Stack pointer register

The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer

Description : The subprogram finish the return instruction recovers the return address from the: a. Queue b. Stack c. Program counter d. Pointer

Last Answer : b. Stack

SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these

Description : SP stands for: a. Status pointer b. Stack pointer c. a and b d. None of these

Last Answer : b. Stack pointer

In 8085 name the 16 bit registers? a) Stack pointer b) Program counter c) a & b

Description : In 8085 name the 16 bit registers? a) Stack pointer b) Program counter c) a & b

Last Answer : c) a & b

______ involves traversing the entire file system, marking everything that can be accessed. (1) Index pointer (2) Garbage collection (3) File system (4) Stack pointer

Description : ______ involves traversing the entire file system, marking everything that can be accessed. (1) Index pointer (2) Garbage collection (3) File system (4) Stack pointer

Last Answer : Garbage collection

What is the name of a memory buffer used to accommodate a speed differential ? (1) Cache (2) Stack Pointer (3) Accumulator (4) Disc

Description : What is the name of a memory buffer used to accommodate a speed differential ? (1) Cache (2) Stack Pointer (3) Accumulator (4) Disc

Last Answer : Cache

Describe the functions of stack pointer and program counter of 8085.

Description : Describe the functions of stack pointer and program counter of 8085. 

Last Answer : Stack pointer: 1. It is a 16 bit register which is used to store the address of topmost filled memory location of stack memory. 2. SP always points current top of stack. 3. If data is ... of memory and in 8085 the address of memory is 16 bit. Hence program counter is 16 bit register.

I have internal and external stitches, 10 internal 8 external, I get them out in 13 days. How long until I can play basketball? The cut is on my hand btween my thumb and pointer finger?

Description : I have internal and external stitches, 10 internal 8 external, I get them out in 13 days. How long until I can play basketball? The cut is on my hand btween my thumb and pointer finger?

Last Answer : You should not resume playing basketball until after your stitches are taken out. How long it will take before you can play again after they are taken out depends on a variety of factors. Your doctor ... more information about your wound. In general, however, you'll need to wait at least a week.

Is your pointer or your ring finger longer?

Description : Is your pointer or your ring finger longer?

Last Answer : My ring finger is quite a bit longer. I’m male.

I smashed my pointer finger yesterday on a rock and it is swelling and what can I do to stop the swelling?

Description : I smashed my pointer finger yesterday on a rock and it is swelling and what can I do to stop the swelling?

Last Answer : You can try some ice, but ice is best within a few hours of the hit. Don’t put the ice directly on it. You can put some ice and some water in a ziploc bag and rest it on your finger so it is cold. Can you move it without increasing the pain? Are you sure it isn’t broken?

Is using a laser pointer to play with a cat cruel?

Description : Is using a laser pointer to play with a cat cruel?

Last Answer : answer:No. but we can give the kitty an award for trying if it will make ya feel better

What is usually the cause of a mouse pointer freezing up?

Description : What is usually the cause of a mouse pointer freezing up?

Last Answer : Have you tried another connection? Sometimes a USB port can go bad.

Mouse pointer unaligned in Half Life 2 Deathmatch on CrossOver Games?

Description : Mouse pointer unaligned in Half Life 2 Deathmatch on CrossOver Games?

Last Answer : You should put in a support ticket to our tech support crew. jon parshall COO www.codeweavers.com

My dog swallowed a laser pointer! Will he be okay?

Description : My dog swallowed a laser pointer! Will he be okay?

Last Answer : Laser pointers do not have nuclear radiation - they do have batteries. You should contact your local emergency clinic. They will probably recommend that you induce vomiting under medical supervision ... but if your dog stops eating, developes vomiting or diarrhea, seek medical attention immediately.

Cheap green laser pointer?

Description : Cheap green laser pointer?

Last Answer : That one looks/ appears to be good quality. But I’m gonna tell you right now usually a blue, green, or onange laser costs alot because of the chemicals and other BS. So idk how long that one will last you. But for about $35 I’d say who cares. GO FOR IT!

In what situations is the pointer nub on some laptops preferable to the trackpad? or to the mouse?

Description : In what situations is the pointer nub on some laptops preferable to the trackpad? or to the mouse?

Last Answer : some people just like to play with and use the laptop nipple.

When you start to select a range of cells you will see a thick white cross shaped pointer called a?

Description : When you start to select a range of cells you will see a thick white cross shaped pointer called a?

Last Answer : Hi

Who makes and where can you get the best laser pointer?

Description : Who makes and where can you get the best laser pointer?

Last Answer : Amazon.com has a wide variety of laser pointers.

Following an experiment, Jamie estimates that his probability of making a three-pointer with a basketball is 0.8. If he shoots 160 attempts from the three-point line, how many times can he expect to make a three-point basket A. 32 B. 80 C. 128 D. 160?

Description : Following an experiment, Jamie estimates that his probability of making a three-pointer with a basketball is 0.8. If he shoots 160 attempts from the three-point line, how many times can he expect to make a three-point basket A. 32 B. 80 C. 128 D. 160?

Last Answer : 128

When the pointer is positioned on a _____ it is shaped like a hand. 1) Grammar error 2) Hyperlink 3) Screen tip 4) Spelling error 5) Formatting error

Description : When the pointer is positioned on a _____ it is shaped like a hand. 1) Grammar error 2) Hyperlink 3) Screen tip 4) Spelling error 5) Formatting error

Last Answer : Answer :2

As shown in the illustration, which of the listed actions of the synchroscope pointer is occurring? EL-0002 A. Revolving slowly in the slow direction. B. Revolving rapidly in the slow direction. C. Revolving rapidly in the fast direction. D. It would be stationary at the 12 o'clock position since the leading edges of the A phases are in phase.

Description : As shown in the illustration, which of the listed actions of the synchroscope pointer is occurring? EL-0002 A. Revolving slowly in the slow direction. B. Revolving rapidly in the slow direction. C. ... stationary at the 12 o'clock position since the leading edges of the A phases are in phase.

Last Answer : Answer: C

An open occurring within the field rheostat of an AC generator can be detected by short circuiting its terminals and observing a ____________. A. negative deflection of the wattmeter pointer B. positive deflection of the wattmeter pointer C. buildup of alternator voltage D. low, but constant alternator voltage

Description : An open occurring within the field rheostat of an AC generator can be detected by short circuiting its terminals and observing a ____________. A. negative deflection of the wattmeter pointer B. ... of the wattmeter pointer C. buildup of alternator voltage D. low, but constant alternator voltage

Last Answer : Answer: C

When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Description : When a megohmmeter is being used on a alternating current machine, the meter pointer will dip toward 'zero' and then gradually rise to the true resistance value if the motor insulation is _____________. A. grounded B. good C. shorted D. dirty

Last Answer : Answer: B

A switchboard ammeter indicates a reading slightly above 'zero' when the leads are disconnected, this is caused by _____________. A. mechanical misalignment of the meter pointer B. a poor ground for the meter case C. static electricity in the air D. capacitors inside the meter storing charges

Description : A switchboard ammeter indicates a reading slightly above 'zero' when the leads are disconnected, this is caused by _____________. A. mechanical misalignment of the meter pointer B. a poor ground for the meter case C. static electricity in the air D. capacitors inside the meter storing charges

Last Answer : Answer: A

When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. adjusting the line voltage to calibrate the instrument C. plugging each end of one test lead into the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)

Description : When using a multimeter for resistance measurements, it should be calibrated by clipping the loose ends of the leads together and _____________. A. setting the instrument pointer at 'zero' ohms B. ... the plus and minus terminals D. using a special purpose resistance measuring instrument (a bridge)

Last Answer : Answer: A

When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer rotating in the ____________. A. 'slow' direction, just before the 12 o'clock position B. 'fast' direction, just after the 12 o'clock position C. 'fast' direction, just before the 12 o'clock position D. 'slow' direction, just after the 12 o'clock position

Description : When two AC generators are being paralleled, the breaker should be closed with the synchroscope pointer rotating in the ____________. A. 'slow' direction, just before the 12 o'clock position B. 'fast' ... just before the 12 o'clock position D. 'slow' direction, just after the 12 o'clock position

Last Answer : Answer: C

When paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. This indicates the _____________. A. incoming alternator is running too fast B. alternator voltages are 180 degrees apart C. synchroscope is defective or broken D. alternator power factors are in phase

Description : When paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. This indicates the _____________. A. incoming alternator is running too fast B. alternator ... apart C. synchroscope is defective or broken D. alternator power factors are in phase

Last Answer : Answer: C

You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should _____________. A. replace the batteries in the instrument B. measure resistance by dividing the voltmeter indication by the ammeter indication C. set the pointer using a bridge D. change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Description : You are calibrating a multimeter using internal batteries to supply power for resistance measurements. However, you are unable to adjust the pointer to 'zero' using the adjustment knob. Therefore, you should ... change scales to the R X 100 scale and adjust using the 'zero ohms' adjusting knob

Last Answer : Answer: A

When paralleling two alternators the synchronizing lamps grow dim and are totally darkened as the synchroscope pointer approaches the 0° position. This indicates the ____________. A. alternator voltages are 180° apart B. incoming alternator is running too fast C. incoming alternator is in phase with the bus voltage D. synchroscope pointer is defective or broken

Description : When paralleling two alternators the synchronizing lamps grow dim and are totally darkened as the synchroscope pointer approaches the 0° position. This indicates the ____________. A. alternator voltages ... alternator is in phase with the bus voltage D. synchroscope pointer is defective or broken

Last Answer : Answer: C

If the pointer of the synchroscope is rotating in the slow direction when you are preparing to parallel two alternators, the _____________. A. incoming machine is turning faster than the load alternator B. loaded alternator is turning faster than the incoming machine C. load on the loaded alternator is ready to split D. incoming machine is beginning to pick up some of the load

Description : If the pointer of the synchroscope is rotating in the slow direction when you are preparing to parallel two alternators, the _____________. A. incoming machine is turning faster than the load alternator B ... alternator is ready to split D. incoming machine is beginning to pick up some of the load

Last Answer : Answer: B

A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value B. deflect to zero and remain at that position C. swing to a high reading and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Description : A capacitor is to be tested with a megohmmeter. If the meter is connected to a shorted capacitor, the meter pointer should _____________. A. immediately swing to the maximum resistance value ... and gradually decrease D. swing to zero then gradually increase with slight pointer movements down scale

Last Answer : Answer: B

When a megohmmeter is used to test the insulation of a large motor, the initial dip of the pointer toward 'zero' is caused by ____________. A. good insulation B. the capacitance of the windings C. the leakage of the current along the surface of dirty insulation D. the dielectric-absorption effect of the insulation

Description : When a megohmmeter is used to test the insulation of a large motor, the initial dip of the pointer toward 'zero' is caused by ____________. A. good insulation B. the capacitance of the ... of the current along the surface of dirty insulation D. the dielectric-absorption effect of the insulation

Last Answer : Answer: B

An AC generator panel is fitted with both synchronizing lamps and a synchroscope. When the synchroscope pointer reaches the noon position, one synchronizing light is bright and the other is dark. This means _____________. A. there is a ground on the phase with the dark lamp B. the phase sequence is incorrect C. the phase sequence is correct D. the generator breaker may be closed

Description : An AC generator panel is fitted with both synchronizing lamps and a synchroscope. When the synchroscope pointer reaches the noon position, one synchronizing light is bright and the other is dark. This ... sequence is incorrect C. the phase sequence is correct D. the generator breaker may be closed

Last Answer : Answer: B

You are attempting to parallel two AC generators, and the synchroscope pointer is revolving fast in the clockwise direction. This indicates that the frequency of the incoming machine is _____________. A. higher than the bus frequency B. lower than the bus frequency C. the same as the bus frequency and the circuit breaker may be closed at any pointer position D. the same as the bus frequency but out of phase with it

Description : You are attempting to parallel two AC generators, and the synchroscope pointer is revolving fast in the clockwise direction. This indicates that the frequency of the incoming machine is _____________. A. higher ... at any pointer position D. the same as the bus frequency but out of phase with it

Last Answer : Answer: A