operating system (chapter 3)

Additional functions exist not for helping the user, but rather for ensuring efficient system operations.

• TRUE

• FALSE

System Calls have 6 types.

• TRUE

• NO

Communication may take place using either message

passing or shared ________.

• information

• memory

• data

• device

Which one is advantages of layered approach?

• Complex structure

• high efficiency

• Simplicity of construction and debugging

• The careful definition and interaction of the layers

In layered approach, the operating system is divided into a

number of layers (levels), each built on top of lower layers.The bottom layer (layer 0), is the _______

• software

• hardware

• operation system

• device

Many services traditionally included in the operating

system are now external subsystems

• Device drivers

• File systems

• Virtual memory manager

• All of the above

Portability is benefits of a Microkernel

Organization

• TRUE

• FALSE

Four general methods are used to pass parameters

between a running program and the operating system.

• TRUE

• FALSE

The design of the system will be affected by the choice

of hareware and the type of system:

• TRUE

• FALSE

user operation system design goals is

• flexible,

• convenient to use

• error-free,

• All of the above