II. Differentiate between the following:
1. Hardware and Software
2. System Software and Application Software
3. Read Access Memory (RAM) and Read Only Memory (ROM)
4. Primary Memory and Secondary Memory
II. Long Answer Questions:
1. Hardware and software are complementary to each other. Explain.
2. What is a modem? What are its types? Explain.
Answers
Explanation:
1
Computer hardware is any physical device used in or with your machine, whereas software is a collection of programming code installed on your computer's hard drive. In other words, hardware is something you can hold in your hand, whereas software cannot be held in your hand.
2
System software is used for operating computer hardware. On other hand Application software is used by user to perform specific task. System software are installed on the computer when operating system is installed. ... On other hand in application software can't run independently
3
RAM is Random Access Memory. ROM is Read Only Memory. RAM is the memory available for the operating system, programs and processes to use when the computer is running. ROM is the memory that comes with your computer that is pre-written to hold the instructions for booting-up the computer.
4
Difference between Primary Memory and Secondary Memory. ... Primary memory is the main memory of the computer which can be directly accessed by the central processing unit, whereas secondary memory refers to the external storage device which can be used to store data or information permanently.
part 2
1
Essentially, computer software controls computer hardware. These two components are complementary and cannot act independently of one another. In order for a computer to effectively manipulate data and produce useful output, its hardware and software must work together.
2
1. A modem or broadband modem is a hardware device that connects a computer or router to a broadband network. For example, a cable modem and DSL modem are two examples of these types of Modems. ... Similarly, when an analog signal is received, the modem converts it back ("demodulates" it) to a digital signal.
Explanation:
Computer hardware is any physical device used in or with your machine, whereas software is a collection of programming code installed on your computer's hard drive. In other words, hardware is something you can hold in your hand, whereas software cannot be held in your hand.