What are the functions of interrupts?

What are the functions of interrupts?
by

1 Answer

Answer :

Inform the CPU of the occurrence of external asynchronous events or the presence of external unpredictable conditions, so that the CPU can execute a routine to respond appropriately and promptly.
by

Related questions

Have you ever known someone who interrupts every conversation to turn the focus back on themselves?

Description : Have you ever known someone who interrupts every conversation to turn the focus back on themselves?

Last Answer : When I talk to someone that does that, after a few sentences of it happening I pretty much stop talking. If I do continue, it will be small talk.

In the event of a catastrophe that interrupts availability of insulin for a long period of time what should a diabetic do to stay alive and healthy?

Description : In the event of a catastrophe that interrupts availability of insulin for a long period of time what should a diabetic do to stay alive and healthy?

Last Answer : I would probably not eat much at all and when I did it would be low glycemic index foods.I would stay active and drink as much water as possible.I might try to supplement with chromium ,vanadium and ... resitance.Other than that,there isn't much one can do and death would be inevitable.I am Type1.

Would You would use the imperfect tense to talk about an action that interrupts another?

Description : Would You would use the imperfect tense to talk about an action that interrupts another?

Last Answer : We don't use the name imperfect tense in English. The imperfect is a verb form, found in various languages, which combines past tense and imperfective aspect. It can therefore have meanings ... action is was walking, the action that interrupted the longer action is tripped which is past simple

Would You would use the imperfect tense to talk about an action that interrupts another?

Description : Would You would use the imperfect tense to talk about an action that interrupts another?

Last Answer : We don't use the name imperfect tense in English. The imperfect is a verb form, found in various languages, which combines past tense and imperfective aspect. It can therefore have meanings ... action is was walking, the action that interrupted the longer action is tripped which is past simple

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? A) Bus control B) Interrupts C) Bus arbitration D) Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? A) Bus control B) Interrupts C) Bus arbitration D) Status

Last Answer : Answer : C

Interrupts which are initiated by an I/O drive are ___________ A. internal B. external C. Both (A) and (B) D. All of the above

Description : Interrupts which are initiated by an I/O drive are ___________ A. internal B. external C. Both (A) and (B) D. All of the above

Last Answer : B. external

Interrupts that are initiated by an instruction are_______ A. internal B. external C. hardware D. software

Description : Interrupts that are initiated by an instruction are_______ A. internal B. external C. hardware D. software

Last Answer : D. software

How many interrupts does 8085 have, mention them

Description : How many interrupts does 8085 have, mention them

Last Answer : The 8085 has 5 interrupt signals; they are INTR, RST7.5, RST6.5, RST5.5 and TRAP

Explain priority interrupts of 8085.

Description : Explain priority interrupts of 8085.

Last Answer : The 8085 microprocessor has five interrupt inputs. They are TRAP, RST 7.5, RST 6.5, RST 5.5, and INTR. These interrupts have a fixed priority of interrupt service. If two or more interrupts go ... 8085 is shown in the table. Interrupts Priority TRAP RST 7.5 RST 6.5 RST 5.5 INTR

The method which offers higher speeds of I/O transfers is ___________ a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA

Description : The method which offers higher speeds of I/O transfers is ___________ a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA

Last Answer : DMA

The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is? a) Exceptions b) Signal handling c) Interrupts d) DMA

Description : The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is? a) Exceptions b) Signal handling c) Interrupts d) DMA

Last Answer : Interrupts

What are various interrupts supported by TMS 320 c54 processor?

Description : What are various interrupts supported by TMS 320 c54 processor?

Last Answer : The C54x DSP supports both software and hardware interrupts: ✔ A software interruptis requested by a program instruction (INTR, TRAP,or RESET) ✔ A hardware interrupt is requested by a ... interrupt ports. ✔ Internal hardware interrupts are triggered by signals from the on-chip peripherals.

Interrupts which are initiated by an I/O drive are a. internal b. external c. software d. all of above

Description : Interrupts which are initiated by an I/O drive are a. internal b. external c. software d. all of above

Last Answer : b. external

Interrupts which are initiated by an instruction are a. internal b. external c. hardware d. software r

Description : Interrupts which are initiated by an instruction are a. internal b. external c. hardware d. software

Last Answer : b. external

Interrupts which are initiated by an instruction are a. internal b. external c. hardware d. software

Description : Interrupts which are initiated by an instruction are a. internal b. external c. hardware d. software

Last Answer : d. software

The number of software interrupts in 8085 is ____ a) 5 b) 8

Description : The number of software interrupts in 8085 is ____ a) 5 b) 8

Last Answer : b) 8

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Last Answer : c. Bus arbitration

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

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

Last Answer : a. Stack

8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave configuration the number of interrupts available to the 8086 microprocessor is a) 8 b) 16 c) 15 d) 64

Description : 8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave configuration the number of interrupts available to the 8086 microprocessor is a) 8 b) 16 c) 15 d) 64

Last Answer : a) 8

n 8086 microprocessor the following has the highest priority among all type interrupts. a) NMI b) DIV 0 c) TYPE 255 d) OVER FLOW

Description : n 8086 microprocessor the following has the highest priority among all type interrupts. a) NMI b) DIV 0 c) TYPE 255 d) OVER FLOW

Last Answer : a) NMI

In 8086, Example for Non maskable interrupts are a) Trapb) RST6.5 c) INTR

Description : In 8086, Example for Non maskable interrupts are a) Trapb) RST6.5 c) INTR

Last Answer : a) Trap

What is meant by Maskable interrupts? a) An interrupt which can never be turned off. b) An interrupt that can be turned off by the programmer. c) none

Description : What is meant by Maskable interrupts? a) An interrupt which can never be turned off. b) An interrupt that can be turned off by the programmer. c) none

Last Answer : b) An interrupt that can be turned off by the programmer.

What are software interrupts? a) RST 0 - 7 b) RST 5.5 - 7.5 c) INTR, TRAP

Description : What are software interrupts? a) RST 0 - 7 b) RST 5.5 - 7.5 c) INTR, TRAP

Last Answer : a) RST 0

What are level Triggering interrupts? a) INTR&TRAP b)RST6.5&RST5.5 c)RST7.5&RST6.5

Description : What are level Triggering interrupts? a) INTR&TRAP b)RST6.5&RST5.5 c)RST7.5&RST6.5

Last Answer : b)RST6.5&RST5.5

Which of the following is hardware interrupts? a) RST5.5, RST6.5, RST7.5 b) INTR, TRAP c) a & b

Description : Which of the following is hardware interrupts? a) RST5.5, RST6.5, RST7.5 b) INTR, TRAP c) a & b

Last Answer : c) a & b

Which of the following is not the function of Microkernel? A) File management B) Low-level memory management C) Inter-process communication D) I/O interrupts management

Description : Which of the following is not the function of Microkernel? A) File management B) Low-level memory management C) Inter-process communication D) I/O interrupts management

Last Answer : A) File management

What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Description : What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time? a. Bus control b. Interrupts c. Bus arbitration d. Status

Last Answer : c. Bus arbitration

What Are The Two Major Differences Between Intr And Other Interrupts ( Hardware)?

Description : What Are The Two Major Differences Between Intr And Other Interrupts ( Hardware)?

Last Answer : Answer :The two major differences between INTR and the other hardware interrupts are as follows:All the hardware interrupts are vectored interrupts but the INTR interrupt is not so. An INTR interrupt will ... saved but in the case of other hardware interrupts the locations is saved in the stack.

Classify Interrupts On The Basis Of Signals. State Their Differences.?

Description : Classify Interrupts On The Basis Of Signals. State Their Differences.?

Last Answer : Answer :On the basis of level the signals can be classified into the following types: Single level interrupts Multi level interrupts The differences between them are as follows: For single the ... multi level it is not necessary. Single level interrupts are much slower than multi level interrupts.

How Many Interrupts Are There In 8085?

Description : How Many Interrupts Are There In 8085?

Last Answer : Answer :There are 12 interrupts in 8085.

What Are Software Interrupts?

Description : What Are Software Interrupts?

Last Answer : Answer :RST0, RST1, RST2, RST3, RST4, RST5, RST6, RST7.

What Are Hardware Interrupts?

Description : What Are Hardware Interrupts?

Last Answer : Answer :TRAP, RST7.5, RST6.5, RST5.5, INTR.

In What Way Interrupts Are Classified In 8085?

Description : In What Way Interrupts Are Classified In 8085?

Last Answer : Answer :In 8085 the interrupts are classified as Hardware and Software interrupts.

A job has four pages A, B, C, D and the main memory has two page frames only. The job needs to process its pages in following order: ABACABDBACD Assuming that a page interrupt occurs when a new page is brought in the main memory, irrespective of whether the page is swapped out or not. The number of page interrupts in FIFO and LRU page replacement algorithms are (A) 9 and 7 (B) 7 and 6 (C) 9 and 8 (D) 8 and 6

Description : A job has four pages A, B, C, D and the main memory has two page frames only. The job needs to process its pages in following order: ABACABDBACD Assuming that a page interrupt occurs when a new page is brought in the main ... replacement algorithms are (A) 9 and 7 (B) 7 and 6 (C) 9 and 8 (D) 8 and 6

Last Answer : (C) 9 and 8

The essential difference between traps and interrupts is (A) traps are asynchronous and interrupts are synchronous with the program (B) traps are synchronous and interrupts are asynchronous with the program (C) traps are synchronous and interrupts are asynchronous with the I/O devices. (D) None of these.

Description : The essential difference between traps and interrupts is (A) traps are asynchronous and interrupts are synchronous with the program (B) traps are synchronous and interrupts are asynchronous with the program ( ... synchronous and interrupts are asynchronous with the I/O devices. (D) None of these.

Last Answer : (B) traps are synchronous and interrupts are asynchronous with the program

8085 microprocessor has ............. hardware interrupts. (A) 2 (B) 3 (C) 4 (D) 5

Description : 8085 microprocessor has ............. hardware interrupts. (A) 2 (B) 3 (C) 4 (D) 5

Last Answer : (D) 5

What are the signals that inform the operating system that some activity has taken place, called ? (1) Informers (2) Interrupts (3) Events (4) Handlers

Description : What are the signals that inform the operating system that some activity has taken place, called ? (1) Informers (2) Interrupts (3) Events (4) Handlers

Last Answer : Handlers

Which is used to store critical pieces of data during subroutines and interrupts:

Description : Which is used to store critical pieces of data during subroutines and interrupts: (A) Stack (B) Queue (C) Accumulator (D) Data register

Last Answer : Which is used to store critical pieces of data during subroutines and interrupts: Stack 

Disabling interrupts.

Last Answer : Most microprocessors have a nonmaskable interrupt, an input pin that causes an interrupt that cannot be disabled. If an interrupt routine shares any data with the task code, then it is necessary ... by setting the priority level. 3. It allows us to enable and disable individual interrupts.