Applications put computers to practical business (67) ，but below the (68) it's the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program，connect to networks and store (69) ．

A． traditional kernel provides all the functions for applications．The kernel (70) memory，I／O devices and parcels out processor time．

The kernel also supports security and fault (71) ，which is the ability to recover automatically when parts of the system fail．(67)

A．used

B．use

C．apply

D．applied(68)

A．earth

B．bottom

C．table

D．surface(69)

A．graphics

B．data

C．text

D．image(70)

A．manages

B．manage

C．managed

D．managing(71)

A．error

B．question

C．tolerance

D．problem

[单选题]A．pplications put computers to practical business(67), but below the(68)it's the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program, connect to networks and store(69).A． traditional kernel provide

[单选题]A．pplications put computers to pratical business (1), but below the (2) it's the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provid

[单选题]They hope that a more practical solution can be__________ .A． worked outB． dealt withC． cleared upC． left out

[试题](c) Discuss the practical problems that may be encountered in the implementation of an activity-based systemof product cost management. (5 marks)

[单选题]is the foundation on which applications are built.A．UserB．DisplayC．PrinterD．Operation system

[单选题]Therearefewelectronicapplications________toraisefearsregardingfutureemploymentopportunitiesthanrobots.A．)likelyB)morelikelyC)mostlikelyD)muchlikely

[单选题]There are several applications called Web (73) that make it easyto access the World Wide WeB．two of the most popular being Netscape Navigator and Microsoft's Internet Explorer.(73) A．viewsB．homepagesC．browsersD．sites

[单选题]There are several applications called Web(69)that make it easy to access the World Wide Web, two of the most popular being Netscape Navigator and Microsoft's Internet Explorer.A．viewsB．homepagesC．browsersD．sites

[单选题]There are several applications called Web(73)that make it easy to access the World Wide Web. two of the most popular being Netscape Navigator and Microsoft' s Internet Explorer.A．viewsB．homepagesC．browsersD．sites

[单选题]19 What can students do in the practical areas?A． Take science coursesB． Enjoy excellent mealsC． Attend workshops