QUESTION $18$

Operating system goals include:

Execute user programs and make solving user problems easier Make the computer system convenient$($appropriate$)$ to use Use the computer hardware in an efficient manner Will always perform one task at a time

QUESTION $19$

Select all the process management activities performed by the operating system

Suspending and resuming processes

Mapping files onto secondary storage

Creating and deleting both user and system processes

Providing mechanisms for process synchronization

Common bootstrap loader, $,$ allows selection of kernel from multiple disks, versions, kernel options GRUB

QUESTION $7$

$($i$.$e$..$ a database server$)$ represents a software stack ready for application use via the Internet

QUESTION $8$

provide an interface to the services made available by an operating system

Svstem Calls

QUESTION $9$

Both the iPad and iPhone use the touch screen interface

QUESTION $4$

Which of the following statements is false?

Mobile devices must be concerned with power consumption.

Mobile devices can provide features that are unavailable on desktop or laptop compu

The difference in storage capacity between a mobile device and laptop is shrinking.

Mobile devices usually have fewer processing cores than a standard desktop compute

QUESTION $5$

CLI or command line interface or command interpreter allows

Direct command entry

Using keyboard and Mouse

Using Icons

Using system calls