What holds an optical drive in place for an installation on a laptop?

Screw on top

Screw underneath

Snap-in rails

Tray

In python: Given a dictionary d, create a new dictionary that reverses the keys and values of d. Thus, the keys of d become the values of the new dictionary and the values of d become the keys of the new dictionary.

Which of these statements makes the most sense? A. A folder is containted within a file. B. A file is containted within a folder. C. A drive is containted within a folder.

In hyperlink does the address and display text have to be the same?

Which statement best describes the concept of usability? A. Usability emphasizes neither utility nor aesthetics. B. Usability emphasizes utility over aesthetics. - C. D. Usability emphasizes utility and aesthetics in equal measure.

True/False: If a C+ + program contains the following array definition int score[10]; the following statement would store 100 in the first array element: score[1] = 100;

When adding cells you must use a "+" symbol, you cannot use a ":" symbol. ☐ True ☐ False

A PC is not able to connect to a wired network. Pinging the loopback address is successful, but the gateway cannot be reached. On the network switch all the interface lights are on, except for the interface connected to the PC.

How many pairs of chromosomes do human body cells contain?

2.3 Write a program to prompt the user for hours and rate per hour using input to compute gross pay. Use 35 hours and a rate of 2.75 per hour to test the program (the pay should be 96.25).

What takes information entered into a given system like sales, and sends it automatically to all downstream systems and processes like billing?