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cpu does not perform the operation
interrupts which are initiated by an i/o drive are
when a subroutine is called the address of the instruction following the call instructions stored
what is the control unit's function in the cpu
a processor for any computer whether micro mini or mainframe must have which of the following
the dma transfer is initiated by
memory access in risc architecture is limited to instructions
computer organization questions and answers
Those would be software interrupts. Interrupts initiated by the hardware would be hardware interrupts.
20 Jul 2013 11. The 8085 microprocessor respond to the presence of an interrupt a) As soon as the trap pin becomes 'LOW' b) By checking the trap pin for 'high' status at the end of each instruction fetch c) By checking the trap pin for 'high' status at the end of execution of each instruction d) By checking the trap pin for
30 Jul 2013 C) memory access time. D) execution time. 2. Interrupts which are initiated by an instruction are A) internal. B) external. C) hardware. D) software. 3. A semiconductor memory constructed using bipolar transistors or MOS transistor stores information in the form of a . A) Flip-flop
Answer : b 2. A processor performing fetch or decoding of different instruction during the execution of another instruction is called ______ . For a given FINITE number of instructions to be executed, which architecture of the processor provides for a faster execution ? a)ISA .. Interrupts initiated by an instruction is called as
Programmed I/O. Interrupt- initiated I/O. Direct memory access( DMA). Now let's discuss each mode one by one. Programmed I/O: It is due to the result of the I/O instructions that are written in the computer program. Each data item transfer is initiated by an instruction in the program. Usually the transfer is from a CPU register
Internal interrupts arise from illegal or erroneous use of an instruction or data. Internal interrupts are also called traps. Examples of interrupts caused by internal error conditions are register overflow, attempt to divide by zero, an invalid operation code, stack overflow, and protection violation. - A software interrupt is initiated
10 Oct 2015 d. a register in which flag bits are stored. Question 8: The branch logic that provides decision making capabilities in the control unit is known as. a. controlled transfer. b. conditional transfer. c. unconditional transfer. d. none of above. Question 9: Interrupts which are initiated by an instruction are. a. internal.
18 Sep 2012 Explanation:- There are three types of interrupts. They are. External interrupts; Internal interrupts; Software interrupt. External interrupts come from I/O devices. Internal interrupts are from illegal or wrong use of an instruction or data. A software interrupt is initiated by executing an instruction. The answer key
The act of initiating a hardware interrupt is referred to as an interrupt request (IRQ). A software interrupt is caused either by an exceptional condition in the processor itself, or a special instruction in the instruction set which causes an interrupt when it is executed. The former is often called a trap or exception and is used for
Discussion. Nirja Shah -Posted on 25 Nov 15. Software interrupt - It occurs when an application software terminates or when it requests the operating system for some service. - It is same as the hardware interrupt, which occurs at the hardware level. - It only communicates with the kernel and indirectly interrupts the central
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