Match the following terms to their meanings:

I. null
II. AND logical operator
III. OR logical operator
IV. NOT logical operator
V. wildcard

A. special characters that represent one or more characters in a text value
B. displays a data source
C. query results will display only records that match all criteria
D. a blank field
E. query results will display records that match any of the specified criteria


D, C, E, B, A

Computer Science & Information Technology

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Which of the following Windows versions introduced User Account Control (UAC), a security feature that prompts the user for administrative credentials for certain tasks?

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A chart sheet contains a single chart and no spreadsheet data

Indicate whether the statement is true or false

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Which queue operation does the following algorithm describe?Algorithm aQueueOperation   allocate queue head   set queue front to null   set queue rear to null   set queue count to 0   return queue headend aQueueOperation

A. empty queue B. dequeue C. create queue D. queue count

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A user reports that the cursor jumps to random screen locations when typing on a laptop computer. Which of the following devices is MOST likely causing this?

A. The touchpad B. The mouse wheel C. The multimedia keys D. The digitizer

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