How would you display information from the kernel about the hard disk on the first SATA channel?
What will be an ideal response?
The dmesg utility displays the kernel-ring buffer, where the kernel stores
messages. The following command displays the lines from this buffer that
contain the string sda, which refers to the first SATA disk:
$ dmesg | grep sda
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By default, browsers set the cell spacing to ____________________ pixels.
Fill in the blank(s) with the appropriate word(s).
Suppose that x is an int variable. Which of the following expressions always evaluates to false?
A. (x > 0) || (x <= 0) B. (x > 0) || (x == 0) C. (x > 0) && ( x <= 0) D. (x >= 0) && (x == 0)
The
tag is used to indicate ____.
A. the text should be brown B. the ideal browser version C. a manual line break D. the text should be brightened
Which of the following is a device that plugs in a USB port on the computer or mobile device and contains multiple USB ports?
A. USB matrix B. USB receiver C. USB hub D. USB replicator