Explain the similarities and differences between (binary) operators such as +, *, -, / and a function.
What will be an ideal response?
The differences amount to syntax used in invoking them. In a function call, the
function name is followed by parentheses enclosing an argument list. The parentheses
are technically the “function call operator”. The operators are invoked “infix”
meaning the first operand precedes the operator, and the second operand follows.
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A document can be saved as ____________________ text so it can be opened by other word processing software.
Fill in the blank(s) with the appropriate word(s).
Based on the given primary key, is this relation in 1NF, 2NF, or 3NF? Why or why not? How would you successively normalize it completely?
Consider the following relation: CAR_SALE(Car#, Date_sold, Salesman#, Commision%, Discount_amt Assume that a car may be sold by multiple salesmen and hence {CAR#, SALESMAN#} is the primary key. Additional dependencies are: Date_sold ->Discount_amt and Salesman# ->commission%
You perform most tool tasks and edit the photo in the ____.
a. display area b. title area c. panel area d. none of the above
Answer the following statements true (T) or false (F)
1. An operating system consists of assemblers, compilers, and utility programs. 2. Some examples of application software are spreadsheet programs, e-mail programs, Web browsers, and game programs. 3. Most computers today have fewer than 1 million bytes. 4. In most computer systems, bits are implemented in hardware as tiny electrical components that hold either a positive or a negative charge.