Operating System (OS)
File record length

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

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

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

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Operating System (OS)
Addressing structure

All of these
defines the fundamental method of determining effective operand addresses
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
None of these

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