CE 155 A - OPERATING SYSTEMS

Question 1

Application APPz requires 500mb of memory capacity in order to run. OSx allocates 500mb while OSy allocates 100mb to APPz . OSy is less efficient than OSx.

Answer

true

Question 2

Thomas J. Watson predicted that there is a market of 5 computers per person on the average.

Answer

true

Question 3

The Operating System is a program.

Answer

true

Question 4

Advancements in transistor technology lead to the decrease in size of computer systems and at the same time increase its performance in both time and capacity.

Answer

true

Question 5

An Operating System is said to be efficient if it can provide the use of the requested application the user regardless of the time that it makes the application available the user.

Answer

true

Question 6

MS Paint is a non-resident program that is loaded into the main memory only when the user opens up the Paint application, and can be called a process once it is loaded into the main memory.

Answer

true

Question 7

The file management sub-program of MS-DOS (MSDOS.SYS) is a non-resident program that is loaded into the main memory only when a file save/save as/rename/delete operation is requested by the user.

Answer

true

Question 8

svchost.exe is a kernel program that is required by the OS to continuously run, thus it is always called a process when the system is on.

Answer

true

Question 9

Some kernel programs such as the Command Line Interpreter are dynamic programs therefore it can free up RAM space for other applications to use during runtime.

Answer

true

Question 10

Windows 10 that requires 16GB of hard disk space will also require 16GB of RAM when it runs.

Answer

true

Question 11

The continuous evolution of the Unix OS by AT&T led to the adaptation of universities and computer science organizations in developing other Unix-based OS such as Rand and BSD.

Answer

true

Question 12

Ken Arnold developed a programming library that is widely used for TUI applications.

Answer

true

Question 13

Bell Labs released Unix version 6 outside AT&T during the mid 70s.

Answer

true

Question 14

4BSD lead to ARPANET, TCP/IP that made today’s Internet possible.

Answer

true

Question 15

BSD enhancements on the memory management component of the OS led to further research fundings for Robotics and very large scale integrated systems.

Answer

true

Question 16

The PDP-11/20 includes an advanced capability of text processing that aimed to ease up documenting patent applications.

Answer

true

Question 17

During the 1960s, companies that owns mainframe computers had it rented and clients are charged on a per program executions rate.

Answer

true

Question 18

The Space Travel game had its second version developed by Dennis Ritchie using assembly language which resulted to a faster execution run the PDP-7 system.

Answer

true

Question 19

During the late 70s, Unix OS by Bell labs were developed to run across multiple hardware platforms, on different processor and memory speed and capacity.

Answer

true

Question 20

Unix based OS uses the C shell interface and vi text editor.

Answer

true

Question 21

The Monolithic OS is faster than the Hybrid Kernel OS in terms of kernel program access (aka system call).

Answer

true

Question 22

A program that is physically located in the hard drive can be called a process.

Answer

true

Question 23

Closing/Exiting the MS Word application by clicking on the red ‘x’ button will make the OS Memory Management component to delete the MS Word process and deallocate the main memory locations assigned to it.

Answer

true

Question 24

Double clicking on the Chrome icon to open up the application will trigger the OS Process Management component to create the Chrome process.

Answer

true

Question 25

In a Microkernel OS, a newly released driver that is incorporated into the OS kernel will have a higher probability of crashing the whole system than incorporating it in the OS user mode.

Answer

true

Question 26

The SHORT-TERM/CPU SCHEDULER selects a process from the READY queue and allocates the process to the CPU.

Answer

true

Question 27

A process that will print a 100 page document will demand for a longer CPU usage to manage sending the data to the printer device.

Answer

true

Question 28

A process that will migrate your 2GB .doc and .pdf files, from your desktop hard drive to your external drive, will demand for a longer CPU burst than IO burst to manage the file transfer.

Answer

true

Question 29

A process runs 5ns every time it is given runtime (running state). 10 context switches that take 2 ns each is better than 20 context switches that take 1 ns each in terms of overhead.

Answer

true

Question 30

The LONG-TERM/JOB SCHEDULER selects a process from the READY queue and swaps out the process to the VIRTUAL MEMORY.

Answer

true

Question 31

The MEDIUM-TERM SCHEDULER / SWAPPER selects a process from the JOB queue and admits the process to the MAIN MEMORY.

Answer

true

Question 32

A process that have 10 CPU bursts spending a cumulative time of 20 secs in a running state and 20 IO bursts spending a cumulative time of 10 secs in a waiting state is an IO bound type of process.

Answer

true

Question 33

A process that will migrate your 2GB .doc and .pdf files, from your desktop hard drive to your external drive, will demand for a longer CPU burst than IO burst to manage the file transfer.

Answer

true

Question 34

A Process P1 that is RUNNING state will have a program counter value/number that is dynamic/changes.

Answer

true

Question 35

In an OS interrupt event, a running process becomes a terminated process.

Answer

true

Question 36

A high priority Windows Update process CANNOT BE executed WITHOUT its own PCB.

Answer

true

Question 37

The PCB of a process CREATED and COMPLETED in the READY state and is DELETED in memory once the process is TERMINATED.

Answer

true

Question 38

A process that is currently in the RUNNING state can ONLY have a state transition to READY and TERMINATE?

Answer

true

Question 39

The MS Word application is currently waiting for the completion of printing the document. The act of clicking the exit "X" button will change the MS Word process state from waiting to terminated.

Answer

true

Question 40

A process that is currently in the RUNNING state can ONLY have a state transition to READY and TERMINATE?

Answer

true

Question 41

A high priority kernel process CAN BE executed WITHOUT its own PCB.

Answer

true

Question 42

A Process P1 that is WAITING state will have a program counter value/number that is dynamic/changes.

Answer

true

Question 43

In an IO event completion, the process that was in a waiting state returns back to a running state.

Answer

true

Question 44

The PCB of a process STARTS TO BE CREATED in the READY state and is SAVED in memory once the process is TERMINATED.

Answer

true

Question 45

A Process P4 that is READY state will have a PID that is dynamic/changes.

Answer

true

Question 46

A Process P1 that is READY state will have a list of REGISTERS that is dynamic/changes.

Answer

true

Question 47

A low priority Minesweeper process CANNOT BE executed WITHOUT its own PCB.

Answer

true

Question 48

A high priority Windows Update process CANNOT BE executed WITHOUT its own PCB.

Answer

true

Question 49

chmod 714 which give which permissions?

Accepted Answer

-rwx-x-r

Answer

-rwx-rx-rx

Answer

-rwx-rx-r

Answer

-rx-x-x

Question 50

chmod 541 which give which permissions?

Accepted Answer

-rx-r-x

Answer

-rwx-r-r

Answer

-rx-rx-rx

Answer

-rwx-rwx-r

Question 51

chmod 644 which give which permissions?

Accepted Answer

-rw-r-r

Answer

-rx-rx-rx

Answer

-rx-r-x

Answer

-rwx-rwx-r

CE 155 A - OPERATING SYSTEMS

Crie uma conta grátis para terminar este quiz

Perguntas do quiz (51)

Informações

Fale Conosco

O que você acha do novo visual?