A desktop PC monitor has no display after a power failure. The light on the monitor is on. Which of the following actions should be taken FIRST?
A. Power cycle the USB peripherals.
B. Power cycle the breaker switches.
C. Power cycle the PC.
D. Power cycle the uninterruptible power supply (UPS).
Answer: C. Power cycle the PC.
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What is wrong with the following code?
int f1( int x, int y) { x = y * y; return x; int f2( float a, float& b) { if(a < b) b = a; else a=b; return 0.0; } } a. Neither function should return a value b. Function definitions may not be nested c. Both parameters to f2 should be pass-by reference d. in f2, a can not be assigned b. e. nothing is wrong
An HTML ___________ provides a mechanism to collect user input from a Web page.
a) tag b) form c) element d) comment
____ can translate an IP address from a private network to a different address used on a public network or the Internet.
A. IPSec B. DHCP C. TCP/IP D. NAT
Color is a primary consideration for text.
Answer the following statement true (T) or false (F)