Operating Systems Quiz

An operating system is a program that operates between users and _____

• Computer hardware

• Computer software

• The application programs

• CPU

What is the register that contains the memory address of the next instruction to be fetched?

• Stack pointer

• Program counter

• Program status word

• None of the mentioned

To get the default run level, which function is read by init?

• /etc/inittab

• /etc/kernel

• /etc/boot

• /etc/init

The main function of the command interpreter is _____

• To provide the interface between the API and application program

• To get an execute the next user-specified command

• To handle the files in operating system

• None of the mentioned

What is not the major objective of operating systems?

• To act as a File server to client machines requiring such service

• To act as a resource manager for multiple tasks running on the CPU, the memory and disk resources

• To provide a programming interface to the user

• To act as an uniform abstract machine on top of a variety of different hardware platforms

What are basic memory address spaces?

• Logical and virtual address space

• Logical and physical address space

• Virtual and physical address space

• Virtual, logical and physical address space

What is the base register?

• The base address of the instruction.

• The smallest unit of RAM.

• The smallest unit of ROM.

• The base address of storage devices.

Most computers have two modes of operation, these are _____

• User mode and CPU mode

• Kernel mode and User mode

• Kernel mode and CPU mode

• MMU mode and CPU mode

A process is selected from the _____ queue by the _____ scheduler, to be executed.

• ready, short term

• blocked, short term

• wait, long term

• ready, long term

How many types of schedulers mainly used? Name?

• 2 types: Large - term scheduler, Small - term scheduler.

• 3 types: Long - term scheduler, Medium - term scheduler, Short -term scheduler.

• 2 types: Long - term scheduler, Short -term scheduler.

• 3 types: Large - term scheduler, Medium - term scheduler, Small - term scheduler.