IT 104A Quiz - Module 3

The key to the successful implementation of demand paging is the use of a direct access memory device that can work directly with the CPU.

• T

• F

The address of the beginning of a page frame is found by multiplying the page frame number by the number of frames.

• T

• F

To find the address of a given program line, the line number is multiplied by the page size.

• T

• F

A page interrupt is generated when a new page is brought into memory.

• T

• F

Every time an instruction is executed, or a data value is used, the operating system (or the hardware) must translate the job space address, which is relative, into its physical address, which is absolute.

• T

• F

Paged memory allocation usually results in internal fragmentation, but never external fragmentation.

• T

• F

____ gives users the appearance that their programs are being completely loaded in main memory during their entire processing time

• Segmenting

• Virtual memory

• Shared memory

• Multithreading

One sector will hold one page of job instructions and fit into one page frame of memory.

• T

• F

The Job Table (JT) contains two entries for each active job: the size of the job and the memory location where its Page Map Table is stored.

• T

• F

The first-in-first-out replacement policy is always preferable to the least-recently-used policy.

• T

• F