CPU is a . 6. Arrange in descending order the following: A. TB>MB>GB>KB B. MB>GB>TB>KB C. TB>GB>MB>KB D. GB>MB>KB>TB 7. Name the brain of the computer in processing of information.

Here are the answers to your questions:

4. Assuming the question refers to "Microsoft Word" or similar software:

   • c. Application software Microsoft Word is a program designed for specific tasks like word processing, making it application software.
   $$\boxed{\text{c. Application software}}$$

5. The question asks: "_______ is a worldwide network."

   • b. Internet The Internet is a global system of interconnected computer networks that uses standard communication protocols.
   $$\boxed{\text{b. Internet}}$$

6. The question asks to "Arrange in descending order the" data storage units.

   • c. TB > GB > MB > KB The correct descending order of data storage units is Terabyte (TB), Gigabyte (GB), Megabyte (MB), and Kilobyte (KB).
   $$\boxed{\text{c. TB > GB > MB > KB}}$$

7. The question asks: "Name the brain of the computer processing of information."

   • CPU (Central Processing Unit) The Central Processing Unit (CPU) is often referred to as the "brain" of the computer because it performs most of the processing inside the computer.
   $$\boxed{\text{CPU}}$$