Section A. Single choice (please wirite your answer for each question. Total 30

Question

Section A. Single choice (please wirite your answer for each question. Total 30 points for 15 questions, 2 points per question). Which of the following descriptions is not correct? A The Menu bar of the IDE displays the menus of commands you use to work with Visual Basic B. The Toolbar holds a collection of properties of controls C. The Properties window is used to change how objects look and react D. The Solution Explorer window displays the files associated with the program and provides access to the commands that pertain to them. 1. 2. How to add the string "hello world" in a listbox named by lbx A. lbx.text-" hello world" B. lbx.items( hello world") C. lbx.items.add(" hello world") D. none of above How many items can be selected in a group of radio buttons at a time? A. Zero Which of the following statements is to change the forecolour of textbox1 to red? A textbox1 color-red B. textbox1.color color.red C textbox1.forecolor color.red D. textbox1.forecolor-red 3. B. One C. Two D. More than one 4. 5. The output of "hello" & .16" is- A. hello16 B. hello 16 C. hello&16 D. error 6. A variable name cannot contain? A. letters B. digits C. symbols like D. underscores Which of the following arithmetic operations has the highest priority? A. 7. D. O

Explanation / Answer

1. Which of the following descriptions is not correct

Ans: B

Explanation: Toolbar holds buttons that are used to provide Graphical User Interface to the user for easy access to most frequently used commands.

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2.

Ans: C

Explanation: to add the string to list box this is a correct syntax

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3.

Ans: One

we can select one item only from the group of radio button at a time.

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4.

Ans:C

to change the textbox color to red this is the correct syntax

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5.

Ans: A

& act as concatenation it will add both strings so it become hello16

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6.

Ans: C

special symbols like @ are not allowed in variable declarations.

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7.

Ans: C

From the arithmetic operator, Exponentiation ^ has the highest priority.

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