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Handling Interrupts:
Precise interrupts (sequential semantics)
o Force trap instruction into IF
o Squash (effects of) instructions after
o Save PC (& next PC with delayed branches)
o ID - illegal/privileged instruction
o EX - arithmetic exception
o IF, M - memory access ( misaligned, page fault protection)
Example: Data page fault
Printers are devices which put ink on paper in a controlled manner. They manually produce photographic images orreadable text. Printers have gone through a large transition in tech
HCP
What is the significance of the memory table 'SCREEN'? At runtime, attributes for every screen field are stored in the memory table called 'SCREEN'. We need not declare this
What are the basic components of dialog program? Screens (Dynpros) Every dialog in an SAP system is controlled by dynpros. A dynpros having of a screen And its flow log
Jobs which are admitted to the system for processing is called ? Ans. Long-term scheduling is admitted to the system for processing.
The main benefits of CD-ROMs are: These are removable disks, thus they are suitable for archival storage mass replication is cheap and fast large storage capacity
What are assembler directives? Ans: These are the instructions that direct the program to be executed. They have no binary corresponding so they are called pseudo-opcodes. The
Explain busy waiting semaphores. Weak, Busy-wait Semaphores: The simplest method to implement semaphores. Useful while critical sections last for a short time, or we
Question : a) Describe the following modes of wave propagation: - Line of sight - Ground waves - Skywaves b) Why can waves with a very low frequency be used for submar
How do subroutines help in program writing? Some of the significant characteristics of Subroutine that help in program writing are: A subroutine is named, each have a
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