Where should your feet be in the perfect ergonomic setup?
A) Crossed and propped on an elevated surface
B) Propped on an elevated surface, not crossed
C) Crossed and on the floor
D) Flat on the floor
D
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Rewrite the journal script of Chapter 9 (exercise 5, page 416) by adding commands to verify that the user has write permission for a file named journal-file in the user’s home directory, if such a file exists. The script should take appropriate actions if journal-file exists and the user does not have write permission to the file. Verify that the modified script works.
What will be an ideal response?
A structure chart shows the functional flow through a program.
Answer the following statement true (T) or false (F)
______________________________ deals with tasks such as security, maintenance, media backups, virus prevention, ergonomics, purchase of supplies, and preventive maintenance.
Fill in the blank(s) with the appropriate word(s).
Given that the variable hours has a value of 10, the following expression would evaluate to what value? hours / 5 + 2
Fill in the blank(s) with the appropriate word(s).