Computer Number System

1. DOS is not an example of a mobile operating system.

2. Android Android (Android Droid) and Apple iOS (Apple iOS) is a mobile operating system.

3. Mobile operating systems are operating systems that run on mobile devices such as smartphones, tablets, and smartwatches.

All statements are true.

- CRT The monitor is the thinnest monitor.

- Dot matrix is the fastest computer.

- CAG memory is slower than the main memory.

1. A computer is an electronic machine, which presents the required information or result (Output) by doing a specialized process according to a series of instructions (Program) given on the prescribed data (Input).

2. The following are the main characteristics of a computer.

(1) Speed

(2) Accuracy

(3) Economy

(4) Reliability

(5) Storage & Retrieval