A microcomputer system is a microprocessor-based computer, consisting of an MPU, internal semiconductor memory, input and out and output sections, and a system bus, all on one.it can also consist of several monolithic IC chips inserted into one or several PC boards.

Correct Option: D

A microcomputer system is a microprocessor-based computer, consisting of an MPU, internal semiconductor memory, input and out and output sections, and a system bus, all on one.it can also consist of several monolithic IC chips inserted into one or several PC boards.

Central Processing Unit (CPU) chip is a small computer chip, this is where the computer does all of its mathematical operations, Adding and comparing data are also performed here.

Correct Option: C

Central Processing Unit (CPU) chip is a small computer chip, this is where the computer does all of its mathematical operations, Adding and comparing data are also performed here.

E-commerce is a business industry which takes account buying, selling, ba-line banting, house banking, buying stocks as well as conducting an auction. Evaluation of an employee is not a part of e-commerce.

Correct Option: D

E-commerce is a business industry which takes account buying, selling, ba-line banting, house banking, buying stocks as well as conducting an auction. Evaluation of an employee is not a part of e-commerce.

Use Global Navigation Satellite System (GNSS) to determine the location of a vehicle, person, pet or freight, and to record the position at regular intervals in order to create a log of movements. Some systems allow the location to be viewed in red-time on the Internet with a web-browser.

Correct Option: D

Use Global Navigation Satellite System (GNSS) to determine the location of a vehicle, person, pet or freight, and to record the position at regular intervals in order to create a log of movements. Some systems allow the location to be viewed in red-time on the Internet with a web-browser.

Microwave radiation is used to transmit signals in mobile phones. Microwave transmitters and receivers on buildings and masts communicate with the mobile telephone in their range .

Correct Option: C

Microwave radiation is used to transmit signals in mobile phones. Microwave transmitters and receivers on buildings and masts communicate with the mobile telephone in their range .