Test
CE 155 A - OPERATING SYSTEMS
Crea una cuenta gratis para terminar este test
Guarda tu progreso y consulta tu resultado final.
¿Ya tienes cuenta? Inicia sesión
Preguntas del test (51)
1Application 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.
- AVerdadero
- BFalso
2Thomas J. Watson predicted that there is a market of 5 computers per person on the average.
- AVerdadero
- BFalso
3The Operating System is a program.
- AVerdadero
- BFalso
4Advancements 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.
- AVerdadero
- BFalso
5An 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.
- AVerdadero
- BFalso
6MS 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.
- AVerdadero
- BFalso
7The 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.
- AVerdadero
- BFalso
8svchost.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.
- AVerdadero
- BFalso
9Some 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.
- AVerdadero
- BFalso
10Windows 10 that requires 16GB of hard disk space will also require 16GB of RAM when it runs.
- AVerdadero
- BFalso
11The 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.
- AVerdadero
- BFalso
12Ken Arnold developed a programming library that is widely used for TUI applications.
- AVerdadero
- BFalso
13Bell Labs released Unix version 6 outside AT&T during the mid 70s.
- AVerdadero
- BFalso
144BSD lead to ARPANET, TCP/IP that made today’s Internet possible.
- AVerdadero
- BFalso
15BSD enhancements on the memory management component of the OS led to further research fundings for Robotics and very large scale integrated systems.
- AVerdadero
- BFalso
16The PDP-11/20 includes an advanced capability of text processing that aimed to ease up documenting patent applications.
- AVerdadero
- BFalso
17During the 1960s, companies that owns mainframe computers had it rented and clients are charged on a per program executions rate.
- AVerdadero
- BFalso
18The 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.
- AVerdadero
- BFalso
19During the late 70s, Unix OS by Bell labs were developed to run across multiple hardware platforms, on different processor and memory speed and capacity.
- AVerdadero
- BFalso
20Unix based OS uses the C shell interface and vi text editor.
- AVerdadero
- BFalso
21The Monolithic OS is faster than the Hybrid Kernel OS in terms of kernel program access (aka system call).
- AVerdadero
- BFalso
22A program that is physically located in the hard drive can be called a process.
- AVerdadero
- BFalso
23Closing/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.
- AVerdadero
- BFalso
24Double clicking on the Chrome icon to open up the application will trigger the OS Process Management component to create the Chrome process.
- AVerdadero
- BFalso
25In 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.
- AVerdadero
- BFalso
26The SHORT-TERM/CPU SCHEDULER selects a process from the READY queue and allocates the process to the CPU.
- AVerdadero
- BFalso
27A process that will print a 100 page document will demand for a longer CPU usage to manage sending the data to the printer device.
- AVerdadero
- BFalso
28A 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.
- AVerdadero
- BFalso
29A 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.
- AVerdadero
- BFalso
30The LONG-TERM/JOB SCHEDULER selects a process from the READY queue and swaps out the process to the VIRTUAL MEMORY.
- AVerdadero
- BFalso
31The MEDIUM-TERM SCHEDULER / SWAPPER selects a process from the JOB queue and admits the process to the MAIN MEMORY.
- AVerdadero
- BFalso
32A 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.
- AVerdadero
- BFalso
33A 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.
- AVerdadero
- BFalso
34A Process P1 that is RUNNING state will have a program counter value/number that is dynamic/changes.
- AVerdadero
- BFalso
35In an OS interrupt event, a running process becomes a terminated process.
- AVerdadero
- BFalso
36A high priority Windows Update process CANNOT BE executed WITHOUT its own PCB.
- AVerdadero
- BFalso
37The PCB of a process CREATED and COMPLETED in the READY state and is DELETED in memory once the process is TERMINATED.
- AVerdadero
- BFalso
38A process that is currently in the RUNNING state can ONLY have a state transition to READY and TERMINATE?
- AVerdadero
- BFalso
39The 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.
- AVerdadero
- BFalso
40A process that is currently in the RUNNING state can ONLY have a state transition to READY and TERMINATE?
- AVerdadero
- BFalso
41A high priority kernel process CAN BE executed WITHOUT its own PCB.
- AVerdadero
- BFalso
42A Process P1 that is WAITING state will have a program counter value/number that is dynamic/changes.
- AVerdadero
- BFalso
43In an IO event completion, the process that was in a waiting state returns back to a running state.
- AVerdadero
- BFalso
44The PCB of a process STARTS TO BE CREATED in the READY state and is SAVED in memory once the process is TERMINATED.
- AVerdadero
- BFalso
45A Process P4 that is READY state will have a PID that is dynamic/changes.
- AVerdadero
- BFalso
46A Process P1 that is READY state will have a list of REGISTERS that is dynamic/changes.
- AVerdadero
- BFalso
47A low priority Minesweeper process CANNOT BE executed WITHOUT its own PCB.
- AVerdadero
- BFalso
48A high priority Windows Update process CANNOT BE executed WITHOUT its own PCB.
- AVerdadero
- BFalso
49chmod 714 which give which permissions?
- A-rwx-rx-rx
- B-rwx-rx-r
- C-rwx-x-r
- D-rx-x-x
50chmod 541 which give which permissions?
- A-rwx-r-r
- B-rx-r-x
- C-rx-rx-rx
- D-rwx-rwx-r
51chmod 644 which give which permissions?
- A-rw-r-r
- B-rx-rx-rx
- C-rx-r-x
- D-rwx-rwx-r
Información
- Descripción
- LT 1
- Autor
- Airon Velasco
- Idioma
- English
- Visitas
- 2
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test