1. The result of computations done in a -----statement are not stored in the computer's memory.
A.LET; B. PRINT; C. compute; D. PRINT USING.
2. which of the following statements may appear anywhere you need them in a program, and you can use as many as you want.
A. stop; B.END; C.TERMINAT D. HALT
3.If there are parentheses inside parentheses, the operations inside the ---- pair are performed first
A. outer; B. inner; C. any; D. all of the above.
4.Transfer of control instructions are of-----types.
A.one; B. two; C. three; D.four
5.The very last statement in each program must be the ----- statement.
A.stop B. end C. restore D.return
If you have had a course on basic, you must have at least a vague idea of the answers. Give them a try.
Some reading could help you understand the difference between END and STOP statements, assuming you are using Visual Basic.
http://msdn.microsoft.com/en-us/library/6acc062s%28v=vs.80%29.aspx
http://msdn.microsoft.com/en-us/library/0wt87xba%28v=vs.80%29.aspx
A
A
A
A
A
Kindly explain reasons behind your choices to demonstrate that they were not taken at random.
b
b
b
b
b
The system command_ is used to tell the computer to execute the program
A
B
B
B
B
1. The correct answer is A. LET.
To get the answer, we need to understand the purpose of each statement and how they affect the memory.
- LET statement is used for assignment in many programming languages. It stores the result of computations in the computer's memory.
- PRINT statement is used to display output on the screen or other output devices, but it doesn't store anything in the memory.
- COMPUTE is not a standard programming statement, so it is not relevant in this context.
- PRINT USING is a statement used in some programming languages to format the output for printing, it also doesn't store anything in the memory.
2. The correct answer is B. END.
To get the answer, we need to understand the purpose of each statement and their position in a program.
- STOP statement is used to terminate a program and it is usually placed at the end of the program, so it cannot be used anywhere you need them.
- TERMINATE and HALT are not standard programming statements, so they are not relevant in this context.
- END statement is used to mark the end of a program or a block of code. It can be used multiple times within a program and can appear anywhere you need them.
3. The correct answer is B. inner.
To understand the order of operations within parentheses, we need to know about the concept of nesting parentheses.
- Outer parentheses usually enclose a larger expression while inner parentheses are used to clarify or modify a part of the expression.
- When there are parentheses inside parentheses, the operations inside the inner pair are performed first before the outer ones. This is known as the "order of operations" or "parentheses precedence."
4. The correct answer is C. three.
To get the answer, we need to understand the concept of transfer of control instructions.
- Transfer of control instructions is a term used to describe statements that change the flow of execution in a program. They allow jumping to different parts of the program based on certain conditions or criteria.
- There are generally three types of transfer of control instructions: unconditional transfer, conditional transfer, and subroutine call/return.
5. The correct answer is C. restore.
To get the answer, we need to understand the purpose of the last statement in a program.
- The last statement in each program must be the "restore" statement. This statement is used to free up system resources, close files, and clean up any remaining memory allocations before the program terminates. It ensures that the program exits gracefully and doesn't leave any unfinished or dangling operations behind.