Câu hỏi trắc nghiệm (10 câu):
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Câu 1: Mã câu hỏi: 10681
Read the passage below carefully, and then choose the best answer
Background, in relation to computers, on the screen, the color on which characters are displayed. (1) _______, a white background may be used for black characters. In a windowing environment in which more than one program or document can be available to the user, open but currently inactive (2) _______ are said to be in the background.
In the context of operating systems and program execution, background refers to a process, or task, assigned a lower priority in the microprocessor's share of time to tasks other than the task running in the (3) _______. A background process thus often performs its work, such as printing or checking for arriving messages on an electronic mail network, invisibly unless the user requests an update or brings the task to the foreground. (4) _______, only multitasking operating systems are able to support background processing. However, some operating systems that do not support multitasking may be able to perform one or more types of background tasks. For example, in the Apple Macintosh operating system running in Single-Launch Mode (with multitasking (5) _______), the Background Printing option can be used to print documents while the user is doing other work.
(1) ....................
- A. For sure
- B. In fact
- C. For example
- D. In general
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Câu 2: Mã câu hỏi: 10682
(2) ....................
- A. windows
- B. systems
- C. tasks
- D. characters
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Câu 3: Mã câu hỏi: 10683
(3) ....................
- A. background
- B. foreground
- C. computer
- D. program
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Câu 4: Mã câu hỏi: 10684
(4) ....................
- A. Really
- B. Similarly
- C. Generally
- D. Hopefully
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Câu 5: Mã câu hỏi: 10685
(5) ....................
- A. turned on
- B. turned off
- C. turned down
- D. turned up
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Câu 6: Mã câu hỏi: 10686
What is a separate area on a computer screen which shows information and which you can move around?
- A. window
- B. background
- C. foreground
- D. environment
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Câu 7: Mã câu hỏi: 10687
Where can one program or document be available to the user?
- A. On the screen
- B. In a windowing environment
- C. In the foreground
- D. On an electronic mail network
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Câu 8: Mã câu hỏi: 10688
What often performs work, such as printing or checking for arriving messages on an electronic mail network?
- A. Program execution
- B. Foreground processing
- C. Microprocessor
- D. A background process
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Câu 9: Mã câu hỏi: 10689
Which word in the reading means “kinds”?
- A. documents
- B. systems
- C. tasks
- D. types
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Câu 10: Mã câu hỏi: 10690
What is the reading about?
- A. work
- B. time
- C. computer
- D. windows
