The 2021 NECO Data Processing Practical Solution Expo Questions and Answers have been eagerly awaited for quite some time. While the National Examination Council, the official body in charge of conducting the 2021 Senior School Certificate Examination, had initially scheduled it for June/July, it has been rescheduled for July/August for reasons best known to the body.
Answers and questions about NECO Data Processing The legitimacy of this NECO 2021 Data Processing solutions to problems have been examined and confirmed, and the objectives and essay will be supplied in detail here.
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NOTE: It is worth knowing that the answers here aren’t the direct question and answers from NECO officials. These are just past questions we predict will likely be set for NECO 2021 Data processing practical. Know this and know peace!
Complete Free NECO Data Processing Practicals Questions & Answers Expo.
(1bi)Presentation package are computer software package that are used to display information usually in the form of a slide show. Example is Microsoft power point
(1bii)Web design package:
- It is used in designing websites
- Presentation package:
- It is used in creating slides
- (i)First and foremost for selecting objects
- (ii)Afterward for moving and rotating objects
- Shape tool
- (i)First and foremost for DREAMWEAVER
- he shape of diagramming objects and text
- Multi-user operating system – – UNIX
- Open source software – – LINUX
- Utility program – – CORAL DRAW
- Finally Web design package – – ADOBE DREAMWEAVER
(3a)Similarly: software that handles the storage, retrieval, and updating of data in a computer system.
- Microsoft Access
- However, A file is a collection of records which have common properties. Furthermore Each file has its own file reference which is unique. The file reference indicates the subject or contexts of the records.
- Presently A record can be an image, text based or in electronic or physical format.
- Complete Free NECO Data Processing 2021 Questions & Answers Expo
3bi) Likewise, Normalization is a process of organizing the data in the database to avoid data redundancy, insertion anomaly, update anomaly & deletion anomaly
- First and foremost Insertion Anomalies:Insertion anomalies occur when we try to insert data into a flawed table.
- Afterward Deletion Anomalies:- Deletion anomalies occur when we delete data from a flawed schema.
- Update Anomalies:- Update anomalies occur when we change data in a flawed schema.
- First and foremost A Pick tool
- Afterward -Shape tool
- Above all -Zoom tool
- finally -Freehand tool
- Log files – As a matter of fact A log file is a recording of everything that goes in and out of a particular server
- Firewall- Furthermore A firewall is a system designed to prevent unauthorized access to or from a private network.
- Encryption – Finally Encryption is the conversion of electronic data into another form, called ciphertext, which cannot be easily understood by anyone except authorized parties.
- Backup- As a matter of fact backup refers to the copying and archiving of computer data so it may be used to restore the original after a data loss event.
4ci)Primary key uniquely identifies a record in the table. While the Foreign key is a field in the table that is the primary key in another table.
- First and foremost A Primary Key can’t accept null values. While,
- Finally A Foreign key can accept multiple null value.
- Vision problems
- Finally Obesity
5ai)Above all Information Transmission can be defined as the process of sending, propagating and receiving of information from one person to another in the same remote or different location
- First and foremost Tasks can be completed faster because computers work at amazing speed.
- Finally Computers can process large amounts of data and generate error-free results, provided that the data is entered correctly.
- Furthermore on hierarchical database model is a data model in which the data is organized into a tree-like structure. The data is stored as records which are connected to one another through links. A record is a collection of fields, with each field containing only one value. Above all The entity type of a record defines which fields the record contains.
- Furthermore on network model is a database model conceived as a flexible way of representing objects and similarly their relationships. Furthermore Its distinguishing feature is that the schema, viewed as a graph in which object types are nodes and relationship types are arcs, is not restricted to being a hierarchy or lattice
- Data Dictionary Management is where the DBMS stores definitions of the data elements and their relationships (metadata). The DBMS uses this function to look up the required data component structures and relationships.
- Data Storage Management
- This particular function is used for the storage of data and any related data entry forms or screen definitions, report definitions, data validation rules, procedural code, and structures that can handle video and picture formats.
- Data Transformation and Presentation This function exists to transform any data entered into required data structures. By using the data transformation and presentation function the DBMS can determine the difference between logical and physical data formats.
- Finally on Database Communication Interfaces: This refers to how a DBMS can accept different end user requests through different network environments. An example of this can be easily related to the internet.
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NOTE: It is worth knowing that the answers here aren’t the direct question and answers from NECO officials. These are just past questions we predict will likely be set for NECO 2021 Data processing practical. Know this and know peace!Follow Us For All Canada Jobs and Scholarship Update