Answer:
It uses simple words and symbols to communicate the design of a program.
Explanation:
Answer:
The answer to this question is given below is in the explanation section.
Explanation:
manages the function of all the hardware and other software used in the computer:
operating system is defined as a system software that manages computer hardware and software resources and provide common services for computers programs.All application software computer programs requires an operation system to function. operating system controls computer hardware run the computer programs and organize file.
CPU:
central processing unit that bring the instruction from memory to be executed and decodes.
Storing device:
Any hardware that can hold information temporarily and permanently. we distinguish two type of storage: as primary storage device and a secondary storage device.
Example:
- Magnetic storage device:hard drive,floppy diskette etc.
- optical: Blu-ray disc,CD Rom disc.
Flash memory device:memory card memory sick,ssd
Hardware:
Hardware include the physical features,which are every part that you can either see or touch, for example monitor,case,keyboard,mouse and printer.
Software:
The part which activate the physical components called software. it includes the features that resposible for directing the work to the hardware.
Answer:
Logical Data Model
Explanation:
An Entity Relationship Diagram (ERD) is a model or a diagram designed to reveal the relationship between various entities such as people, places, objects, and so on within an institution. Entity relationship diagram is also known as Entity relationship model. This model is used to design relational database by various sectors such as education, engineering, business, etc.
<u>ERD is designed using conceptual data model, logical data model, and physical data model</u>.
The visual practice or model that gives more insight into the logical relations among the entity is the logical data model.
The logical data model is used to illustrate more detailed operational and relational data among the entities. It is more detailed than the conceptual data.
So, the correct answer is logical data model.
There are many benefits to using folders when working with lots of files. Here are a few examples:
- You can use folders to sort your files by type, almost like drawers in a desk, so you might have folders for Music, Photographs, Documents, etc.
- You can use folders to group files together into a specific group. For example in your Photographs folder you might have a folder titled BirthdayPhotographs for all the photographs from your birthday.
- As in the example above you can nest folders to create sub-categories. Documents might include folders for Homework, Stories, Poems
- Folders can have different permissions applied to them, allowing you to keep personal files in a private folder only you can access, or secret files in a folder that doesn't show up in the normal list of folders!
