Question

QUESTION 1

1. User can interact with a PC using a command-line interface by issuing commands to the program in the form of successive lines of text.

   True

   False

1 points   

QUESTION 2

1. A machine code (object code) is generated by an executor for process.

   True

   False

1 points   

QUESTION 3

1. In case of all the resources are being used, the new process with a low priority might not get its resource forever.

   True

   False

1 points   

QUESTION 4

1. A computer can understand source code and directly executes it.

   True

   False

1 points   

QUESTION 5

1. Solaris always comes with both CLI and GUI.

   True

   False

1 points   

QUESTION 6

1. In most cases, API is used for system calls.

   True

   False

1 points   

QUESTION 7

1. In the parameter passing, LPDWORD indicates the size of the data to be read.

   True

   False

1 points   

QUESTION 8

1. Layered structure is well protected but not efficient.

   True

   False

1 points   

QUESTION 9

1. A program trying to create a file with a certain name, what will the program do if there is a file with the same name already exist in the directory.

   		Abort and ask the user to input a new title.
   		Delete the existing file and create a new file
   		Move the existing file into another directory
   		None of them

1 points   

QUESTION 10

1. In Unix, which three system calls are responsible for protecting the files.

   		chmod() mmap() chown()
   		fork() ioctl() chown()
   		chmod() pipe() umask()
   		None of them

1 points   

QUESTION 11

1. Name the best OS structure and its inherited structures.

   		Modular and inherits Monolithic and Layered structures.
   		Monolithic and inherits layered and Modular structures.
   		Microkernel and inherits Monolithic and UNIX structures.
   		Modular and inherits Microkernel and Layered structures.

1 points   

QUESTION 12

1. An operating system service that deal with internet and message passing between systems.

   		LAN
   		Communication
   		Internet and file manager
   		Network operating systems

1 points   

QUESTION 13

1. Operating system service, which ensures that the data have not been corrupted in transit.

   		Communication
   		Buffer
   		Trap
   		Error-detection

1 points   

QUESTION 14

1. A guest OS can be hosted by an OS using _____.

   		Virtual Machines
   		Virtual Memory
   		Virtual Reality
   		Virtual Codes

1 points   

QUESTION 15

1. A structure where its kernel can add or remove functions.

   		Modular
   		Microkernel
   		Layered
   		Monolithic

1 points   

QUESTION 16

1. The top layer (layer N) in the layered OS structure.

   		Memory
   		Kernel
   		Hardware
   		User interface

1 points   

QUESTION 17

1. _________ makes sure not to happen a scenario that processes keep waiting for a certain resource but never get it.

Answer 1

Question No 1:
True:
Yes we can use the command line interface to issue a command to the program to execute the insturctions.
Question No 2:
True:
Usually object code generated by an executor when the instruction is passed.
Question No 3:
False:
A process with high priority not gets resources forever
Question No 4
True:
At the backend components like ALU and control unit understand the instruction and convert into the object code which computer understands.
Question No 5:
False:
Solaris only come with CLI later you can install its GUI
Question No 6
True:
Through API (application program interface) we get system calls from the operating system
Question No 7
True:
LPDWORD tells the size of the data the maximum data stored is 4,294,967,295.
Question No 8:
True:
Layered structure is very secure but is not very efficient
Question No 9:
Abort and ask the user to input a new title:
The program should abort and ask user to re-enter the new title of the file.
Question No 10:
chmod() mmap() chown():
These three commands are used to protect the system calls

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