MCS 022 Term-End Examination June, 2014
... Explain the principle of Token Ring protocol. Also , explain its working with the help of a suitable example. ...
... Explain the principle of Token Ring protocol. Also , explain its working with the help of a suitable example. ...
OPERATING SYSTEM FUNCTIONS
... A major function of the operating system is to hide the peculiarities of the disks and other I/O devices and present the programmer with a nice, clean abstract model of device-independent files. System calls are obviously needed to create files, remove files, read files, and write files. Before a fi ...
... A major function of the operating system is to hide the peculiarities of the disks and other I/O devices and present the programmer with a nice, clean abstract model of device-independent files. System calls are obviously needed to create files, remove files, read files, and write files. Before a fi ...
Ch2 OS Structures 1
... that information, concurrent processes should not interfere with each other • Protection involves ensuring that all access to system resources is controlled • Security of the system from outsiders requires user authentication, extends to defending external I/O devices from invalid access attempt ...
... that information, concurrent processes should not interfere with each other • Protection involves ensuring that all access to system resources is controlled • Security of the system from outsiders requires user authentication, extends to defending external I/O devices from invalid access attempt ...
(MSWindows, LINUX, UNIX) (China)
... Allowing sharing disks, files and printers among MS Windows machines. ...
... Allowing sharing disks, files and printers among MS Windows machines. ...
Document
... -Ctrl-q – it continues displaying on the screen (stopped with Ctrl-s) -Ctrl-c – it stops the current activity and it is used to stop processes and displays on the screen. -Ctrl-d – means the end of file or exit, used to get out of some Unix utilities, exit from a terminal window or for logout. -Ctrl ...
... -Ctrl-q – it continues displaying on the screen (stopped with Ctrl-s) -Ctrl-c – it stops the current activity and it is used to stop processes and displays on the screen. -Ctrl-d – means the end of file or exit, used to get out of some Unix utilities, exit from a terminal window or for logout. -Ctrl ...
Cindy - Anatomy of a Window
... The OS controls the order in which tasks or jobs are processed The OS acts as an intermediary between application software and physical hardware The OS uses device drivers to manage hardware devices ...
... The OS controls the order in which tasks or jobs are processed The OS acts as an intermediary between application software and physical hardware The OS uses device drivers to manage hardware devices ...
document
... Command processor: CCP: was a simple command line interface, patterned after RSTS for the PDP-11. Commands generally took the form of a keyword followed by a list of parameters, separated by spaces. Commands not recognized as part of the built-in commands were assumed to be transient user programs, ...
... Command processor: CCP: was a simple command line interface, patterned after RSTS for the PDP-11. Commands generally took the form of a keyword followed by a list of parameters, separated by spaces. Commands not recognized as part of the built-in commands were assumed to be transient user programs, ...
Overview of Operating Systems
... Understand concurrency, and learn of the problems (such as race conditions) and tools used to solve them (such as ...
... Understand concurrency, and learn of the problems (such as race conditions) and tools used to solve them (such as ...
Cisco Discovery 1 Module 08 Quiz Picture Descriptions
... 9. What are three security features commonly found on an ISR? Choose three: DMZ NAT SPI HTTP ...
... 9. What are three security features commonly found on an ISR? Choose three: DMZ NAT SPI HTTP ...
tutorial-02-with
... only limited sections of the system rather than touching all sections of the operating system. Information is kept only where it is needed and is accessible only within a defined and restricted area, so any bugs affecting that data must be limited to a specific module or layer. Q 11) List five servi ...
... only limited sections of the system rather than touching all sections of the operating system. Information is kept only where it is needed and is accessible only within a defined and restricted area, so any bugs affecting that data must be limited to a specific module or layer. Q 11) List five servi ...
Components of an operating system
... Computers that are capable of handling concurrent users and multiple jobs are called network servers or servers, as shown in Figure . Servers use operating systems called Network Operating Systems (NOS). A fast computer with a NOS installed may manage operations for a large company or a large Intern ...
... Computers that are capable of handling concurrent users and multiple jobs are called network servers or servers, as shown in Figure . Servers use operating systems called Network Operating Systems (NOS). A fast computer with a NOS installed may manage operations for a large company or a large Intern ...
This course is an introduction to computer operating systems
... This course is an introduction to computer operating systems including mainframe and microcomputer operating systems. Students will learn operating system concepts and command languages for several operation systems. Topics will include memory management, data management, job scheduling, spooling, I ...
... This course is an introduction to computer operating systems including mainframe and microcomputer operating systems. Students will learn operating system concepts and command languages for several operation systems. Topics will include memory management, data management, job scheduling, spooling, I ...
What is an operating system?
... • Two modes of process execution: user mode and kernel mode • Normally, a process executes in the user mode. When a process executes a system call, the mode of execution changes from user mode to kernel mode. The bookkeeping operations related to the user process (interrupt handling, process schedul ...
... • Two modes of process execution: user mode and kernel mode • Normally, a process executes in the user mode. When a process executes a system call, the mode of execution changes from user mode to kernel mode. The bookkeeping operations related to the user process (interrupt handling, process schedul ...
Chapter 2
... The OS is a set of programs that controls access to the hardware and software resources of the computer. kernel - the part of the OS that supervises the overall operation of the OS – resident when computer is on (stored in main memory) ...
... The OS is a set of programs that controls access to the hardware and software resources of the computer. kernel - the part of the OS that supervises the overall operation of the OS – resident when computer is on (stored in main memory) ...
Operating System - Linux - Home Pages of People@DU
... system starts and runs till the session gets terminated Different from BIOS which is hardware dependent. Kernel is software dependent ...
... system starts and runs till the session gets terminated Different from BIOS which is hardware dependent. Kernel is software dependent ...
UNIX/LINUX
... BSD(Berkeley Software Distribution), Solaris (Sun Microsystems, and XENIX (Microsoft). ...
... BSD(Berkeley Software Distribution), Solaris (Sun Microsystems, and XENIX (Microsoft). ...
Part IV: Longer Answer: Use your knowledge of operating systems to
... never occur and can only be caused by another of the waiting processes. 6. _______________ is a situation where only one process may access a resource at a time. 7. _______________ is a UNIX system call that makes an exact copy of the current process; both processes then continue to execute independ ...
... never occur and can only be caused by another of the waiting processes. 6. _______________ is a situation where only one process may access a resource at a time. 7. _______________ is a UNIX system call that makes an exact copy of the current process; both processes then continue to execute independ ...
Antivirus Software
... • Three security levels for each share – Global level: anyone can access the share – Share level: requires a password for access – User level: access is restricted to specific users ...
... • Three security levels for each share – Global level: anyone can access the share – Share level: requires a password for access – User level: access is restricted to specific users ...
Unix – Linux
... environment that is separated from other users sharing the computer’s resources. – Access is through a verification process known as logging-in: Enter a user-id and password. – The OS creates an environment known as the “shell” for the user after the login is complete. ...
... environment that is separated from other users sharing the computer’s resources. – Access is through a verification process known as logging-in: Enter a user-id and password. – The OS creates an environment known as the “shell” for the user after the login is complete. ...
ITS_8_Security Vocab Answers
... of data into a secret code. Encryption is the most effective way to accomplish data security. If one wants to read an encrypted file, they must have access to the key or password that enables them to decrypt the file. Unencrypted data is often called plain text. Once encrypted it is referred to as c ...
... of data into a secret code. Encryption is the most effective way to accomplish data security. If one wants to read an encrypted file, they must have access to the key or password that enables them to decrypt the file. Unencrypted data is often called plain text. Once encrypted it is referred to as c ...
installing debian
... where “host” is your host name Copy this file to wotan account – scp host.if @wotan.liu.edu ...
... where “host” is your host name Copy this file to wotan account – scp host.if @wotan.liu.edu ...
PPTX
... – File and device I/O are as similar as possible – File and device names have the same syntax and meaning, can pass as arguments to programs – Same protection mechanism as regular files ...
... – File and device I/O are as similar as possible – File and device names have the same syntax and meaning, can pass as arguments to programs – Same protection mechanism as regular files ...
PPTX
... – File and device I/O are as similar as possible – File and device names have the same syntax and meaning, can pass as arguments to programs – Same protection mechanism as regular files ...
... – File and device I/O are as similar as possible – File and device names have the same syntax and meaning, can pass as arguments to programs – Same protection mechanism as regular files ...
Chapter 3: System Software
... Copy files Move files System/file backup Rename files Erase files ...
... Copy files Move files System/file backup Rename files Erase files ...