$138........$ is one of the allocation method used by OS to satisfy a request of size n from a list of

free holes:

A$.$ primary$-$fit

B$.$ top$-$fit

C$.$ Worst$-$fit

D$.$ nice$-$fit

$139.........$ is not one of operation used to manipulate sequential$-$access file:

A$.$ Read

B$.$ Wind

C$.$ Rewind

D$.$ write

$140.$ The file attribute that define the access control to it is:

A$.$ Location

B$.$ user identification

C$.$ Protection

D$.$ Type

$141.$ With TLB technology the page table is reserved in:

A$.$ CPU registers

B$.$ Main memory & cache memory

C$.$ Main memory

D$.$ Cache memory

$142.$ Solution to Critical$-$Section Problem mustn't guarantee:

A$.$ Mutual Exclusion

B$.$ Progress

C$.$ Bounded Waiting

D$.$ Execution of more than one task simultaneously

$143.$ In a paging context $..........$ is not one of the information used by OS to translate logical

address to physical address?

A$.$ Page base address

B$.$ page number

C$.$ Page offset

D$.$ Logical address

$144...........$ is not one of the Critical$-$Section solutions;

A$.$ Peterson's Solution

B$.$ Synchronization Software

C$.$ Mutex Locks

D$.$ Semaphores

$145.$ Generally the page table is reserved in:

A$.$ CPU registers

B$.$ Hard disk

C$.$ Main memory

D$.$ Cache memory

$146.$ With contiguous allocation the degree of multiprogramming is limited by:

A$.$ number of partitions

B$.$ number of CPU

C$.$ number of registers

D$.$ number of methods