A computer consists of various devices referred to as ________ (e.g., the keyboard, screen, mouse, hard disks, memory, DVD drives and processing units).
a. objects
b. software
c. hardware
d. groupware
C
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Assuming the following is the beginning of the constructor definition for class BasePlus-CommissionEmployee which inherits from class Point,
BasePlusCommissionEmployee::BasePlusCommissionEmployee( string first, string last, string ssn, double sales, double rate, double salary ) : CommissionEmployee( first, last, ssn, sales, rate ) The second line: a. Invokes the CommissionEmployee constructor with arguments. b. Causes a compiler error. c. Is unnecessary because the CommissionEmployee constructor is called automatically. d. Indicates inheritance.
Case-Based Critical Thinking QuestionsCase 6-1Jill is concerned about the security of her computer. She is worried that her files may be in danger while being stored on her computer. To protect her computer from malicious attacks, Jill wants to practice ‘safe computing,' which means she should ____.
A. move to a safer neighborhood B. have a friend "computer sit" when she isn't home C. avoid sources of malicious software D. buy a heavier computer that would be harder to steal
Disk cache buffers are stored ________.
a) in main memory b) in a memory module attached to the disk drive c) on a disk interface controller d) all of the above
You must insert a comma after each element in the list of grouped selectors.
Answer the following statement true (T) or false (F)