practice os Quiz

Select all the right reasons used for implementing memory hierarchy in a computer system.

• Decreasing cost per bit

• Increasing capacity

• Increasing access time

• Decreasing frequency of access to the memory by the processor

Select the methods used to pass parameters to the OS?

• Registers

• Block or Table

• Stack Method

• Processor

Identify the correct modes of OS operation to execute privilege instructions.

• kernel mode

• Single mode

• Dual mode

• Usermode

Identify the correct modes of OS operation to execute application programs.

• Usermode

• Single mode

• Dual mode

• kernel mode

Identify the classes of interrupts.

• Program, Timer, I/O, Hardware failure

• Program, Timer, I/O , Apps

• Timer, I/O , Apps, Browser

• Timer, I/O , Apps, operating system

Identify the drawback of disabling an interrupt.

• Execution of instruction is not account of time

• Execution of instruction is account of time

• Execution of instruction consider the realtive priority

• Execution of instruction is very fast

Identify the proprietary operating system.

• Windows

• Ubuntu

• Linux

• Unix

Identify the missing operation. The processor ___________instructions from memory and executes each instruction one by one.

• fetch

• interrupt

• exit

• delete

Select the memory that is volatile in its operation.

• Main Memory

• Secondary Memory

• Intel Pentium

• Motorola

Identify the software useful to power-up or reboot the computer system.

• Bootstrap

• Compiler

• Linker

• Dump file