Questions and CORRECT Answers
What are the goals of an operating system? - CORRECT ANSWER - -Execute user programs
and make solving user problems easier
-Make the computer system convenient to use
-Use the computer hardware in an efficient manner
There are four components in a computer system: Hardware, operating system, application
programs, and... - CORRECT ANSWER - users
Which is true about a bootstrap program? - CORRECT ANSWER - -Is typically stored in
ROM or EPROM
-Initializes all aspects of the system
-loads the operating system kernel
A trap is... - CORRECT ANSWER - a software-generated interrupt
True or false: main memory can be viewed as a cache for secondary storage? - CORRECT
ANSWER - true
True or false: secondary storage can be viewed as a cache for main memory - CORRECT
ANSWER - false
true or false: main memory is the same as cache - CORRECT ANSWER - false
true or false: main memory and the cache are the same size and speed - CORRECT
ANSWER - false
, dual mode means... - CORRECT ANSWER - there are the user mode and kernel mode
true or false: a program is a passive entity - CORRECT ANSWER - true
true or false: a process is an active entity - CORRECT ANSWER - true
true or false: a program and a process are the same thing - CORRECT ANSWER - false
true or false: when a process is created, the program is terminated - CORRECT ANSWER -
true
In MIPS, information on an exception is stored in the registers in - CORRECT ANSWER -
Coprocessor 0
In MIPS, the reason for the exception is stored in - CORRECT ANSWER - the cause register
In MIPS, the instruction to return from the exception is - CORRECT ANSWER - eret
Which of the following should be a privileged instruction:
clear user memory
read the clock
switch from user to kernel mode
issue a trap instruction - CORRECT ANSWER - switch for user to kernel mode
CLI stands for - CORRECT ANSWER - command line interpreter
The use of icons for a GUI interface was invented at - CORRECT ANSWER - Xerox