Operating System

What is an Operating System?

• Interface between the hardware and application program.

• Collection of programs that manages hardware resources.

• System service provider to the application programs.

• All of the mentioned.

Which of the following errors will be handled by the Operating System?

• Lack of paper in printer.

• Connection failure in the network.

• Power failure.

• All of the above.

CPU scheduling is the basis of

• Multiprogramming operating systems.

• Larger memory sized systems.

• Multiprocessor systems.

• None of the above.

Which of the following schedules threads?

• Virtual memory

• Operating System

• CPU

• Input

Main memory of a computer system is?

• Non-volatile

• Volatile

• Restricted

• Unrestricted

Memory Hierarchy comprises of Disk, RAM memory, caches. Select the increasing order of their access time by CPU for an instruction or data.

• Disk, RAM, Caches

• RAM, Disk, Caches

• Caches, RAM, Disk

• RAM, Caches, Disk

A memory hierarchy, consisting of a computing system's memory and a disk, that enables a process to operate with only some portion of its address space in memory known as _______.

• RAM

• ROM

• Virtual Memory

• Disk

A memory that is larger than the real memory of the computer system is ______.

• RAM

• ROM

• Disk

• Virtual Memory

Which of the following is not taken into consideration in the memory hierarchy?

• Weight

• Speed

• Cost

• Size

What is 83 converted to binary?

• 0101 001

• 0101 0011

• 0101 0101

• 0101 0110