Chapter 11 I/O Management and Disk Scheduling
... – the program is hung up waiting for the relatively slow I/O to complete – interferes with swapping decisions by OS ...
... – the program is hung up waiting for the relatively slow I/O to complete – interferes with swapping decisions by OS ...
9781439079201_PPT_ch14
... – Manages single job for single user – For second job execution • User must close or pause first before opening second ...
... – Manages single job for single user – For second job execution • User must close or pause first before opening second ...
System Software
... • Pages—units of fixed size, contain program instructions and data • When RAM is full, copies of pages are temporarily stored in a swap file, a special hard disk file. • Transferring files between RAM and the hard disk—paging • Excessive paging—thrashing ...
... • Pages—units of fixed size, contain program instructions and data • When RAM is full, copies of pages are temporarily stored in a swap file, a special hard disk file. • Transferring files between RAM and the hard disk—paging • Excessive paging—thrashing ...
Lecture10c,Boot,process
... Using Safe Mode to Start the Computer: Safe mode is a method of starting Windows XP Professional by using only default settings, which include a VGA video driver, a Microsoft mouse driver, and the minimum device drivers necessary to start the computer. When your computer will not start normally, yo ...
... Using Safe Mode to Start the Computer: Safe mode is a method of starting Windows XP Professional by using only default settings, which include a VGA video driver, a Microsoft mouse driver, and the minimum device drivers necessary to start the computer. When your computer will not start normally, yo ...
Chapter 11 I/O Management and Disk Scheduling
... • The block that has been in the cache the longest with no reference to it is replaced • A stack of pointers reference the cache – Most recently referenced block is on the top of the stack – When a block is referenced or brought into the cache, it is placed on the top of the stack – The block on the ...
... • The block that has been in the cache the longest with no reference to it is replaced • A stack of pointers reference the cache – Most recently referenced block is on the top of the stack – When a block is referenced or brought into the cache, it is placed on the top of the stack – The block on the ...
Chapter 5 - Input/Output
... • Seek error (e.g., the arm is directed to cylinder 6 but it goes to 7) – The disk arm is positioned on cylinders by pulses (one pulse per cylinder). When the arm reaches its destination the cylinder number is checked (written when the drive was formatted). If the arm is in a wrong position then a s ...
... • Seek error (e.g., the arm is directed to cylinder 6 but it goes to 7) – The disk arm is positioned on cylinders by pulses (one pulse per cylinder). When the arm reaches its destination the cylinder number is checked (written when the drive was formatted). If the arm is in a wrong position then a s ...
Chapter 5
... mouse applications. Internet cut windows. capabilities taskbar, and scheduler. operations and right-click capabilities. (such asmenus, desktop and a cleaner multitasking Media Player). features desktop. capabilities. ...
... mouse applications. Internet cut windows. capabilities taskbar, and scheduler. operations and right-click capabilities. (such asmenus, desktop and a cleaner multitasking Media Player). features desktop. capabilities. ...
File System Management
... 4TB (terabytes, 240 bytes) in size, with each file being up to 16GB. Operating Systems and Databases More complex arrangements of data and its access modes, such as using search keys to locate individual fixed-length records, have been “relegated” to being supported by run-time libraries and databas ...
... 4TB (terabytes, 240 bytes) in size, with each file being up to 16GB. Operating Systems and Databases More complex arrangements of data and its access modes, such as using search keys to locate individual fixed-length records, have been “relegated” to being supported by run-time libraries and databas ...
TotalView Change Log, 8.0
... TotalView . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.14 . . . . . . . . . . . . . . . . . . . . . ...
... TotalView . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.14 . . . . . . . . . . . . . . . . . . . . . ...
TOTALVIEW CHANGE LOG - Rogue Wave Software
... TotalView . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.0 . . . . . . . . . . . . . . . . . . . . ...
... TotalView . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TotalView 8.15.0 . . . . . . . . . . . . . . . . . . . . ...
Presentation - Virtual Office
... • In addition to folders off the root, each user account in Mac OS X contains folders such as: – Music for music files – Movies for movies that can be played on the computer – Pictures to sort picture files – Public for files to share with others over the network – Applications for applications used ...
... • In addition to folders off the root, each user account in Mac OS X contains folders such as: – Music for music files – Movies for movies that can be played on the computer – Pictures to sort picture files – Public for files to share with others over the network – Applications for applications used ...
Chapter 6 Operating Systems
... Although many command line environments are capable of multitasking, they do not offer the same ease and ability to view multiple things at once on one ...
... Although many command line environments are capable of multitasking, they do not offer the same ease and ability to view multiple things at once on one ...
An introduction to operating systems
... Of the two approaches presented out above, this is the less clearly defined and developed in the literature. Perhaps this is due to the fact that historically it has been the interface programmer who designed the interface functionality, and he does not feel particularly inclined to discuss the spec ...
... Of the two approaches presented out above, this is the less clearly defined and developed in the literature. Perhaps this is due to the fact that historically it has been the interface programmer who designed the interface functionality, and he does not feel particularly inclined to discuss the spec ...
Identifying Security Risks
... • Anyone who wanted to was welcome to make PCs that worked like IBM’s PC, or hardware that would work with it Chapter 1 ...
... • Anyone who wanted to was welcome to make PCs that worked like IBM’s PC, or hardware that would work with it Chapter 1 ...
operating systems io systems
... • accessed through I/O ports talking to I/O busses • SCSI itself is a bus, up to 16 devices on one cable, SCSI initiator requests operation and SCSI targets perform tasks • Fibre Channel (FC) is high-speed serial architecture – Can be switched fabric with 24-bit address space – the basis of storage ...
... • accessed through I/O ports talking to I/O busses • SCSI itself is a bus, up to 16 devices on one cable, SCSI initiator requests operation and SCSI targets perform tasks • Fibre Channel (FC) is high-speed serial architecture – Can be switched fabric with 24-bit address space – the basis of storage ...
Chapter 7 Operating Systems and Utility Programs
... Define an operating system Discuss a variety of stand-alone operating systems, network operating systems, and embedded operating systems Discuss the functions common to most operating systems ...
... Define an operating system Discuss a variety of stand-alone operating systems, network operating systems, and embedded operating systems Discuss the functions common to most operating systems ...
Microsoft Office 2003
... operating system, which are not a threat to computers running UNIX or Linux. CLASSROOM ACTIVITIES 1. Class Discussion: Ask students to discuss their experiences with Microsoft Windows. Why do they think Windows is so popular? What are the strengths and weaknesses of Windows in their opinions? What a ...
... operating system, which are not a threat to computers running UNIX or Linux. CLASSROOM ACTIVITIES 1. Class Discussion: Ask students to discuss their experiences with Microsoft Windows. Why do they think Windows is so popular? What are the strengths and weaknesses of Windows in their opinions? What a ...
Ch 1 Getting Started with the Operating System
... Professional installed on hard disk or the network server. If students have not installed or upgraded to Windows XP Professional on personal computer refer them to documentation that came with Windows software so they can initiate installation or upgrade. Good time to introduce students to your lab ...
... Professional installed on hard disk or the network server. If students have not installed or upgraded to Windows XP Professional on personal computer refer them to documentation that came with Windows software so they can initiate installation or upgrade. Good time to introduce students to your lab ...
Discovering Computers Fundamentals 3rd Edition
... Operating system that computer uses is sometimes ...
... Operating system that computer uses is sometimes ...
Chapter 14
... Displays directories and subdirectories In hierarchical order and indented list Options allow file deletion while tree generated TREE /F • Displays filenames in each directory • Used to delete duplicated file on different directories ...
... Displays directories and subdirectories In hierarchical order and indented list Options allow file deletion while tree generated TREE /F • Displays filenames in each directory • Used to delete duplicated file on different directories ...
NP11_IM_Chapter04
... file extension. Demonstrate this by having students use a file in one format, such as My File.bmp, and rename it so it has a different file extension, such as My File.doc. Ask them to try opening the renamed file in Paint and then in Word and discuss what happens and why. FIGURES Figure 4-27, Figu ...
... file extension. Demonstrate this by having students use a file in one format, such as My File.bmp, and rename it so it has a different file extension, such as My File.doc. Ask them to try opening the renamed file in Paint and then in Word and discuss what happens and why. FIGURES Figure 4-27, Figu ...