What are the effects of changing the number of history states stored by Photoshop? What ultimately determines the number you store?
What will be an ideal response?
You can increase or decrease the number of history states Photoshop stores in memory. If you decrease the number of history states, you can improve your system performance by freeing up memory. If you increase the number of history states, you have more freedom to undo multiple changes, but your system may slow down. Photoshop stores history states for every file open in memory; so if you have five files open, you can have up to 100 history states in memory by default. You can change the number of history states Photoshop stores using the Preferences command on the Edit menu. The Performance option lets you change the number of history states. The number of states you decide to store ultimately depends on your work habits and your computer system.
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Revisit the Internet architecture. What impact does the introduction of overlay networks have on this architecture, and in particular on the programmer’s conceptual view of the Internet?
What will be an ideal response?
All of the following statements are TRUE about auditing formulas EXCEPT:
A) Tracing formulas draws lines from a formula to cells that supply source data and to formulas that use the result of a formula. B) Formula-auditing tools show you which cells are used in a formula and how they are used. C) When you select to trace dependents, Excel finds and marks with arrows all the cells that supply values to the active cell. D) Both tracing a formula and evaluating a formula are useful in understanding how a worksheet is structured, and they are particularly useful if a complex formula is not producing a correct result.
How are wireless network connections handled by most VMMs?
a. They are not supported b. They are passed through transparently c. They are bridged to the virtualized wired network adapter in each VM d. They must be connected to a VMM-compatible wireless router
In C++, the ____ symbol is an operator, called the member access operator.
A. :(colon) B. .(dot) C. ,(comma) D. $ (dollar sign)