A ______ copies a photograph, drawing or page of text into the computer.A.scannerB.printerC.displayD.keyboard

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

A.scanner

B.printer

C.display

D.keyboard


相关考题:

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单选题Which ensures that a JSP response is of type "text/plain"?()A%@ page mimeType=text/plain %B%@ page contentType=text/plain %C%@ page pageEncoding=text/plain %D%@ page contentEncoding=text/plain %E% response.setEncoding(text/plain); %

单选题与page指令 等价的是()。A%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ import="“java.text.*" page=""%@ import="“java.util.*" page=""%@ page import= “java.util.* % %@ page import= “java.text.* “ % B%@ page import= “java.util.*”  ,  import= “java.text.* “ % C%@ page import= “java.util.* “  ;  % %@ page import= “java.text.* “  ; %D%@ page import= “java.util.* ; java.text.* “ %

单选题You create a Web Form. The Web Form allows users to calculate values and display the results in a label named lblResults. You need to capture all unhandled exceptions on the Web Form through the Error event. The Error event must capture each unhandled exception and display it on the Web Form. Which code segment should you use?()Aprotected void Page_Error(object sender, EventArgs e) { lblResults.Text = e.ToString(); e=null;}Bprotected void Page_Error(object sender, EventArgs e) { lblResults.Text = Server.GetLastError().ToString(); Server.ClearError();}Cprotected void Page_Error(object sender, EventArgs e) Response.Write(e.ToString()); e=null;}Dprotected void Page_Error(object sender, EventArgs e) Response.Write(Server.GetLastError().ToString()); Server.ClearError();}

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