To adjust the column width in a datasheet to accommodate the widest entry in a field, right-click the column separator. _________________________
Answer the following statement true (T) or false (F)
False
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Which of the following does not declare a 2-by-2 array and set all four of its elements to 0?
a. int b [ 2 ][ 2 ]; b[ 0 ][ 0 ] = b[ 0 ][ 1 ] = b[ 1 ][ 0] = b[ 1 ][ 1 ] = 0; b. int b[ 2 ][ 2 ] = { 0 }; c. int b[ 2 ][ 2 ]; for ( int i = 0; i < 2; i++ ) for ( int j = 0; j < 2; j++ ) b[ i ][ j ] = 0; d. All of the above initialize all four of the array elements to 0.
Which of the following statements are true?
a. The Collection interface is the root interface for manipulating a collection of objects. b. The Collection interface provides the basic operations for adding and removing elements in a collection. c. The AbstractCollection class is a convenience class that provides partial implementation for the Collection interface. d. Some of the methods in the Collection interface cannot be implemented in the concrete subclass. In this case, the method would throw java.lang.UnsupportedOperationException, a subclass of RuntimeException. e. All interfaces and classes in the Collections framework are declared using generic type since JDK 1.5.
Answer the following statement(s) true (T) or false (F)
1. If an image’s height is two times greater than its width, it will still be two times greater than the width if you maintain the aspect ratio when resizing the image. 2. The lock icon indicates that all or part of a layer is locked. 3. A Photoshop file can have, at most, one layer comp. 4. You can change opacity by scrubbing over the word Opacity on the Layers panel to change the setting.
COGNITIVE ASSESSMENT What is a primary feature of a digital video camera?
A. It provides a straightforward way to save recorded video because it can connect directly to a computer through use of a video capture card. B. It cannot transfer images directly to a computer, but it allows built-in camera software to edit the recorded images so that computer processing is not necessary. C. It records video as digital signals. D. It records video as analog signals.