1.When determining the appropriate hardware components of a new information syst

Question

1.When determining the appropriate hardware components of a new information system, what role must the user of the system play?

2. Identify two basic characteristics of RAM and ROM.

3. What is RFID technology? How does it work?

4. Identify the three components of the CPU and explain the role of each.

5. What is solid state storage technology? What advantages does it offer?

6. Identify and briefly describe the various classes of nonportable single-user computers.

7. Give three examples of recent operating systems.
8. What is Software as a Service (SaaS)? What advantages does it provide for meeting an organization’s software needs?

9. What are the two basic types of software? Briefly describe the role of each.

10. What is cloud computing? What are the pros and cons of cloud computing?

11. What is an application service provider? What issues arise in considering the use of one?

12. What does the acronym API stand for? What is the role of an API?

13. Describe the term enterprise resource planning (ERP) system. What functions does such a system perform?

Explanation / Answer

1.When determining the appropriate hardware components of a new information system, what role must the user of the system play

User plays a vital roles in it. Selection of a appropriate hardware can be done of the bases of following users input:
1. User will provide input of how much he/she is going to user the system, if he/she uses the system more often, then we required a more robust hardware
2. How much memory and data user is going to use, Its also helpful in selecting the hardware.

2. Identify two basic characteristics of RAM and ROM

1. RAM is of volatile type which means we required a constant power supply to retain the information on RAM. When power is lost or its truned off, all the information on RAM will be lost

2. Writting data on RAM is a very fast process, and RAM can store large amount of data.

3. ROM is of the non volatile type. Which means we dont required a constant supply of power to retain information on it.

4. Writting data on ROM is a very slow process, and ROM can store very less amount of data.

4. Identify the three components of the CPU and explain the role of each.

The three components of CPU and its working is given below:

1. ALU(Airthmatic and logical Unit): The airthmatical and logical operations in a computer is performed by this uni.

2. Control Unit: This unit basically controls the instructions fetching from the main memory and control the execution of instructions.

3. Cache Memory: Its on of the fast memeory, The data that required by CPU most is put into tha cache, for fast retrival of the data.

7. Give three examples of recent operating systems.

1. Windows 8.1 operating system. (by microsoft)

2. Macintosh OSX (by apple)

3. Android

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