________ software has been loaded onto your computer when you buy it

________ refers to an empty cell

A) Count B) Zero C) Null D) Circular reference

Answer the following statements true (T) or false (F)

1. Using top-down, stepwise refinement properly results in pseudocode that can be naturally evolved into a Visual Basic program. 2. Having many levels of nesting improves program readability. 3. The off-by-one syntax error is frequently caused by using an incorrect relational operator in a loop’s condition. 4. Logic errors prevent a program from compiling successfully and can cause a running program to produce incorrect results. 5. A While statement automatically increments a variable that a programmer specifies.