1. Difference between CLI and GUIS.NO CLI GUI1. CLI is DIFFICULT to use. Whereas it is easy to use.2. It consumes low memory. While consumes more memory.3. In CLI we can obtain high precision. While in it, low precision is obtained.4. CLI is faster than GUI. The speed of GUI is slower than CLI2. Functions of Operating SystemSecurity – ...Control over system performance – ...Job accounting – ...Error detecting aids – ...Coordination between other software and users – ...Memory Management – ...Processor Management – ...Device Management –3. Characteristics of Main MemoryThese are semiconductor memories.It is known as the main memory.Usually volatile memory.Data is lost in case power is switched off.It is the working memory of the computer.Faster than SECONDARY memories.A computer cannot run without the primary memory.4. Computer TypesS.No. Type of Computer1 Personal Computer (PC)2 Workstation3 Minicomputer4 Main Frame5. 4 Types of Robots Every Manufacturer Should KnowArticulated Robots. An articulated robot is the type of robot that comes to mind when most people think about robots. ...SCARA Robots. ...Delta Robots. ...CARTESIAN Robots.6. Many digital assistants use AI to understand the nuances of human language. This allows the devices to process full sentences spoken by the USER and respond with natural speech. The natural language abilities will get better and better over time until digital assistants sound just like humans.