Question

Intel 80386 used paged segmentation with _________ level paging.

Select correct option:

 

• One

• Two

• Three
• Four

 

Question

In ————- technique, memory is divided into several fixed-size partitions.

Select correct option:

 

• Swapping
• Overlays

• Multiprogramming with Fixed Tasks (MFT)

• Multiprogramming with Variable Tasks (MVT)

 

Question

______________is the operating system’s attempt to improve the computer system’s utilization and throughput.

Select correct option:

• Exec
• Fork

• Demand Paging

• Thrashing

 

Question

_____________ is caused due to un-used space in fixed size blocks/ pages.

Select correct option:

 

• Internal fragmentation
• External fragmentation
• Paging

• MVT

 

Question

An optimal page-replacement algorithm has the lowest page fault rate of all algorithms.

Select correct option:

 

• True

• False

 

Question

The high paging activity is called _______

Select correct option:

 

• Segmentation
• Page Fault
• Multiprogramming

• Thrashing

 

Question

The ———–scheme is not applicable to a resource allocation system with multiple instances of each resource type.

Select correct option:

 

• Wait for graph
• Resource allocation graph
• Both Resource-allocation and wait-for graph

• None of the given options

 

Question

The collection of processes that is waiting on the disk to be brought into the memory for execution forms the ——–

Select correct option:

 

• Input queue

• Output queue
• Both input and output queue
• None of the given options

 

Question

Optimal Page Replacement Algorithm provides a benchmark in assessing other page replacement algorithms.

Select correct option:

 

• True

• False

 

Question

———-holds the smallest legal physical memory address for a process

Select correct option:

 

• Base register

• Limit register
• Index register
• Stack pointers register

 

Question

When the address used in a program gets converted to an actual physical RAM address, it is called ————

Select correct option:

 

• Execution
• Loading
• Address Binding
• Compiling

 

Question

The main criteria for Page Replacement in Optimal Page Replacement Algorithm is to

Select correct option:

• replace that page which will not be used for the longest period of time.

• replace that page which will be required most frequently in the execution of a process
• replace the page which is biggest in size
• replace the page which is smaller in size

 

Question

To eliminate external fragmentation in segmentation the scheme used is ___________.

Select correct option:

 

• Fixed size partition scheme

• Variable size partition scheme
• Fixed size paging scheme
• Variable size paging scheme

 

 Question

A ____________ system is similar to a paging system with swapping

Select correct option:

 

• Context switching

• Demand paging

• Page fault
• None of the given options

 

Question

In _____________ page replacement algorithm we will replace the page that has not been used for the longest period of time.

Select correct option:

 

• Counter based
• Least Frequently Used

• FIFO

• LRU

 

Question

——————points to the page table

Select correct option:

 

• Translation look-aside buffers

• Page offset

• Page-table length register (PRLR)
• Page-table base register (PTBR)

 

Question

External Fragmentation takes place in ______________

Select correct option:

 

Multiprogramming with Variable Tasks (MVT)

• Multiprogramming with Fixed Tasks (MFT)
• Multi-tasking
• Paging