Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

the failure of one device may affect other devices on the chain
it is relatively easy to add more devices to the chain
priority is programmable
the number of control lines is independent of the number of devices on the chain
None of these

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Operating System (OS)
Indicate which, of the following, in not true about an interpreter

All of these
Interpreter is a kind of translator
Interpreter analyses each source statement every time it is to be executed
None of these
Interpreter generates an object program from the source program

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Operating System (OS)
File record length

should be chosen to match the data characteristics
depends upon the size of the file
None of these
should always be fixed
Should always be variable

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Operating System (OS)
Object code

is ready to execute
is the output of compilers, but not assemblers
must be rewritten before execution
None of these
must be "loaded" before execution

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