How can computers represent pictures as numbers?
What will be an ideal response?
Each image is composed of tiny dots called pixels, each composed of a sum of red, green, and blue. The red, green, and blue values of a pixel are each represented as a byte; bytes can then be represented as a number.
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Answer the following statements true (T) or false (F)
1. If a problem is very complex, extensive design prior to coding will actually delay the completion of the project. 2. The divide-and-conquer-method of problem solving breaks a problem into large, general pieces first, then refines each piece until the problem is manageable. 3. The purpose of a test or decision in a looping structure is to tell when the loop should end. 4. Flowcharts, pseudocode, and top-down charts can be used to solve problems only in Visual Basic.
The accompanying figure illustrates the screen that appears when you type "word" in the text box. Which of the following is the title of this screen that is missing in this picture?
A. Search B. Start C. Programs D. Select
A space is treated just like any other character in the Find what: and Replace with: boxes in the Find and Replace dialog box
Indicate whether the statement is true or false
How many sets of 8-bit numbers make up an IP address? What separates the sets of numbers? Give an example of an IP address.
What will be an ideal response?