Tuesday, June 24, 2008

CSC As I See It 002

Interrelate the ff:

1. Data
- it is a raw facts to be processed by the computer into information.
- refer to a collection of natural phenomena descriptors including the results of experience, observation or experiment, or a set of premises. This may consist of numbers, words, or images, particularly as measurements or observations of a set of variables.

2. Data Structure
- Is a way of storing data in a computer so that it can be used efficiently.
-is a way of storing data in a computer so that it can be used efficiently. Often a carefully chosen data structure will allow the most efficient algorithm to be used. The choice of the data structure often begins from the choice of an abstract data type. A well-designed data structure allows a variety of critical operations to be performed, using as few resources, both execution time and memory space, as possible. Data structures are implemented by a programming language as data types and the references and operations they provide.


3. Data Type
- In programming languages a data type is an attribute of a datum which tells the computer (and the programmer) something about the kind of datum it is.
-is an attribute of a datum which tells the computer (and the programmer) something about the kind of datum it is. This involves setting constraints on the datum, such as what values it can take and what operations may be performed upon it. Common data types may include: integers, floating-point numbers (decimals), and alphanumeric strings. For example, in the Java programming language, the "int" type represents the set of 32-bit integers ranging in value from -2,147,483,648 to 2,147,483,647, as well as the operations that can be performed on integers, such as addition, subtraction, and multiplication. Colors, on the other hand, are represented by three bytes denoting the amounts each of red, green, and blue, and one string representing that color's name; allowable operations include addition and subtraction, but not multiplication.

4.Database Management System
- Computer Software designed for the purpose of managing databases based on a variety of data models.

Interelate:

Data are raw facts and figures which are processed into information. It is a recorded information. It can exist in a variety of forms. When data are related to each other, they can be organized into a sets forming data structures. Data structure is a manner in which data is organized and arranged usually with reference to computer storage or into the computer memory. The kind of data that can be represented on a computer program such as a whole number is called data types. When data is assigned a type, it cannot be treated like another type.

Data is a part of Database Management system since DBMS is a set of interrelated data records. It is a stored collection of the libraries data that are needed by organizations and individuals to meet their information processing and retrieval requirements. Data Structures and Data types are also related to DBMS because DBMS is categorized according to their data structures and data types. DBMS and Data Structure have similarities in their functions because they both arrange and organized data. Further more, Data structures are implemented by a programming language as data types and the references and operations they provide. And that's how Data, Data Structure, Data Types and DBMS are related to each other.





Friday, June 20, 2008

CSC As I see it! 001

A. Parts of the Computer System:

1. CPU(Central Processing Unit) or Processor
-execute computer programs.

2. Storage:

a. Main Memory- directly accessible to the CPU.
b. Secondary Memory-not directly accessible by the CPU.

3. Peripheral Devices:

a. Input Devices-used to provide data and control signals to an information processing system.


b. Output Devices- used to communicate the results of data processing carried out by an information processing system to the outside world.


B. System:

Is a set of interacting or interdependent entities, real or abstract, forming an integrated whole. The concept of an 'integrated whole' can also be stated in terms of a system embodying a set of relationships which are differentiated from relationships of the set to other elements, and from relationships between an element of the set and elements not a part of the relational regime.

A system is a fundamental concept of system theory, which views the world as a complex system of interconnected parts. We determine a system by choosing the relevant interactions we want to consider plus choosing the system boundary —– or, equivalently, providing membership criteria to determine which entities are part of the system, and which entities are outside of the system and are therefore part of the environment of the system. We then make simplified representations (models) of the system in order to understand it and to predict or impact its future behavior.

C. Examples of Platforms:

a. Operating system platform examples
-Microsoft Windows
-Linux
-Mac OS backward compatibility via Rosetta
-WINE platform to behave like Microsoft Windows

b. Software platform examples
-Java - JDK and JRE
-NET Framework - operating system dependence (MS Windows)
-Mozilla Prism XUL and XUL Runner
-Adobe AIR


c. Hardware examples
-Mainframe computerwith its custom operating system, say an IBM.
-Midrange computer

D. Management:

Management in simple terms means the act of getting people together to accomplish desired goals. Management comprises planning, organizing, resourcing, leading or directing, and controlling an organization (a group of one or more people or entities) or effort for the purpose of accomplishing a goal. Resourcing encompasses the deployment and manipulation of human resources, financial resources, technological resources, and natural resources.

Management can also refer to the person or people who perform the act(s) of management.