The LRU algorithm pages out pages that have been used recently

Thrashing is a natural consequence of virtual memory systems.

Seek analysis is used for analysing control-unit busy problems.

All of the above

hardware

peripheral

memory

screen

a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.

it is necessary to retranslate the user's program deck every time it is run.

it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.

all of the above

Software

Shareware

Firmware

Mindware

should be done each month

uses more tapes

saves all files

saves only files that have recently changed