2 () is the command CD MDRD DIR for creating subdirectories, and it is a single choice B.
32 in "32-bit microcomputer" refers to the word length of microcomputer model machine. Memory capacity storage unit radio b
4 8 bytes contain binary bits _ _ _ _ _ 8 6 32 64 single d.
5CAD is one of the application fields of computer. What does this mean? Computer aided manufacturing? Computer aided instruction computer aided design computer decision support system
The main difference between 6COPY and xCOPY commands is that the () xCOPY command can COPY multiple files, while the copy command can only copy one file. The XCopy command can Copy subdirectories, while the copy command can only copy files. The XCopy command can connect multiple files, but the Copy command cannot. The XCopy command can use DOS wildcards, and the Copy command cannot choose B.
7 The memory that 7CPU can't directly access is () memory and external ROMRAM. Choose B.
The disk directory structure in 8DOS system is called () mesh directory structure, linear directory structure, tree directory structure, relational directory structure and Radio C.
9DOS belongs to a () operating system, single user, single task, single user, multi-task, multi-user, single task, multi-user, multi-task and single radio station A.
10 FTP in computer network means remote login file transfer hypertext connection bulletin board radio B.
1 1 Internet realizes the interconnection of various networks distributed all over the world, and its most basic and core protocol is TCP/IP? FTP？ HTML？ HTTP radio station a
12 Internet is the largest Internet in the world at present. It originated in the United States, and its embryonic form is _ _ _ _. NCFC network CERNET network GBNET network ARPANET network radio selection d
13IP value 202.113.133 belongs to the internet? Class a network, class b network, class c network, class d network, single radio station C.
14 ISP refers to file transfer protocol, hypertext transfer protocol, Internet service provider Internet connection protocol, Radio C.
15PC refers to () computer model, small computer compatible computer, personal computer, single choice d.
The main difference between 16 ROM and RAM is that (1) after power failure, the information stored in ROM will be lost, while the information stored in RAM will be lost for a long time. ROM is external memory, RAM is internal memory, and RAM is external memory.
17 TCP/IP protocol refers to () local area network transmission protocol, dial-up network transmission protocol, transmission control protocol and Internet protocol OSI protocol set Radio C.
In 18 windows XP, if you want to select all files and folder objects in the current folder, the key combination you can use is () Ctrl+Vctrl+Actrl+XCtrl+D Radio B.
19 windows XP belongs to a kind of () operating system, with single user, single task, single user, multi-task, multi-user, single task, multi-user, multi-task and single choice D.
The default startup mode of Windows is safe mode. The usual mode is a secure mode with network support? MS-DOS mode radio b
After 2 1 Windows system is installed and started, the icon arranged on the desktop of the system is Resource Manager? Recycle Bin Microsoft Word? Microsoft Excel radio button b
In Windows, what you can't do in the taskbar is to set the system date and time arrangement, arrange desktop icons and switch windows, and start the start menu with radio button B.
23WINDOWS98 operating system is a single-user multitasking operating system? Single user single task operating system multi-user single task operating system multi-user multi-task operating system radio a
24Windows98 has a variety of operations to open the start menu, including clicking the start button or pressing Shift+Tab Ctrl+Shift Ctrl+Esc to select a single C.
In 25Windows, in order to customize the start menu, you need to right-click the blank space of the desktop, right-click the blank space of the taskbar, and right-click the start button? Right-click "My Computer" and select B, C and C.
In windows, the following correct file name is book * file c:/Cai education center? & lt correct file name > radio c
27WWW is _ _ _ _. Short for local area network, short for metropolitan area network, short for wide area network, short for world wide web, single station D.
28 The number 173 converted from octal to binary is (1101)1165438. 110011111/radio b.
29 to copy all of them. To copy the WPS file in the current directory of disk A to the subdirectory WPSUSE in the root directory of disk C, you should use the command copy *. WPSC: Roger that. WPSC: \ WPSUSE Copy *。 * C: copy *. * C: \ WPSUSE radio B。
Compare the window with the dialog box. Windows can be moved and resized, while dialogs can neither be moved nor resized. Only move, resize, move and resize. Choose B.