COGNITIVE ASSESSMENT
What component converts the AC power in a wall plug to the DC power required by a computer?
A. electrical alternator
B. power supply
C. AC/DC flip-flop power switch
D. power surge and adaptation coordinator
Answer: B
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If the following pseudocode was coded and executed, what would display?
``` Declare String message = "morning!" insert(message, 0, "Good") Display message ``` a. Good morning! b. Goodmorning! c. Good d. morning!Good
Case-Based Critical Thinking QuestionsCase 1-1During your senior year, you are serving as a tutor in the computer science department, offering to help other students with their coursework. One of the most daunting topics for beginning students is keeping bitmaps and vectors straight. One of your tutees, Joe, is a case in point. Which of the following is NOT a true statement you can make to Joe as you explain bitmaps to him?
A. A 100x100-pixel bitmap graphic is simply a grid containing 10,000 colored pixels. B. JPEG and GIF are two of the most common file formats. C. If you enlarge a bitmap graphic, the edges become ragged. D. A bitmap graphic is a set of mathematical instructions that describe the color, outline, and position of all the shapes of the image.
RIP routing has been enabled on the router. Which command is issued to use RIP routing to a host computer with an IP address of 192.168.20.3?
A) router(config-router)# network 192.168.20.0 B) router(config-router)# network 192.168.20.3 C) router(config)# network 192.168.20.3 D) router(config)# network 192.168.20.0 E) router(config-router-rip)# network 192.168.20.0
Joint Photographic Experts Group (JPEG) files are compressed using lossy compression.
Answer the following statement true (T) or false (F)