AN OVERVIEW OF JAVA PART 1 : SELF REVIEW QUESTIONS

 This is a part where learners are given the opportunity to test their knowledge level in JAVA.

QUESTIONS:

1. What is a hardware? What is a software?

2. What are the two primary functions of an operating system?

3. What happens to information when it is stored digitally?

4. How many unique items that can be represented with the following?

        a. 2 bits

        b. 4 bits

        c. 5 bits

        d. 7 bits

5. How many bits are there in each of the following?

        a. 8 bytes

        b. 2 KB

        c. 4 MB

6. What are the two primary hardware components in a computer?  How do they interact?

7. What is a memory address?

8. What does volatile mean? Which memory devices are volatile and which are not?

9. What is a file server?

10. What is the origin of the word Internet?

11. What is the relationship between high-level language and machine language?

12. What is JAVA bytecode?

13. Which of the following are not valid JAVA identifiers? Why?

        a. RESULT

        b. result

        c. 12345

        d. x12345y

        e. black&white

        f. answer_7

14. What do we mean by the syntax and semantics of a programming language?

15. What are the primary concepts that support object oriented programming?