One of the greatest features of a home(74)is the ability to share one Internet connection simultaneously over two or more computers．

Sudden starts or stops of the boom is likely to cause all of the following except（）.

读网络教育学院非英语专业和非艺术类专业专升本的学生报考统考，除计算机应用基础外，还需报考（）

You are the network administrator for .Your network consists of a single Active Directory domain named . The Default Domain Group Policy object (GPO) uses all default settings. The network contains five servers running Windows Server 2003 and 800 client computers. Half of the client computers are portable computers. The other half are desktop computers. Users of portable computers often work offline, but users of desktop computers do not. You install Windows XP Professional on all client computers with default settings. Then you configure user profiles and store them on the network. Some users of portable computers now report that they cannot log on to their computers. Other users of portable computers do not experience this problem. You need to ensure that all users of portable computers can log on successfully,whether they are working online or offline. What should you do?（）

The policeman kept his eyes _____ on the screen of the computer to identify the criminal’s foot-prints.

The size of a flat-screen television is given as the length of the screen’s diagonal. How many square inches greater is the screen of a square 34-inch flat-screen television than a square 27-inch flat-screen television?

The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the （）.

The SMS should provide for specific measures aimed at promoting the（）of equipment or systems the sudden operational failure of which may result in hazardous situations.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

A ______ copies a photograph, drawing or page of text into the computer.

A(68)copies a photograph，drawing or page of text into the computer．

All computers need some sort of(71)(OS). Tile majority of modem home computers use some form. of Microsofts OS. The original Microsoft OS was called DOS though most computers use Windows. Windows comes in various versions beginning with(72)x then 95, 98, ME and currently XP. A few computers use IBMs O/SApples Mac uses their own OS beginning with OS I though most modem Macs use version x or x. Apples latest version is OS 10.x. In the past large companies and institutions would have an OS design exclusively for them but as the Commercial OS become more sophisticated the benefits of this practice is becoming less apparent. Some computer professionals,(73)(ISP)and(74)computer users use an OS such as UNIX(or a variant such as Linux), Windows NT or 2000(Win2k)or one of the other network or(75)based OS.