classification of computer

1. CLASSIFICATION OF
COMPUTERS.
 Micro computers.
 Information technology in Media.
 Print Media.
 Electronic Media.
 Information technology in Educatin.
 Information technology in publication.

2. What is found on the sound
card?
 Ports.
 1. LINE IN-Allows computer to connect to the
cassette ro CD player to play music.
 2. MIC IN-Microphone to record voices and other
sound.
 3. VOLUME (min-max)Voolume control-adjust
sound volume.
 4. SPK OUT-Connect to home stereo speakers to
play music though the sound card.(this is so you
can get good quality.)
 5. JOYSTICK-Connect joystick for games.

3. TYPES OF OPERATING
SYSTEM.
 Real-time operating system.
 Single-user, single taksk .
 Single –user, multi-tasking.
 Multi-user.
 Multi-processing.
 Embedded systems.

4. The operating system’s tasks,most
general sense, fall into six
categories;
 Processor management.
 Memory management.
 Device management.
 Storage and File management.
 Security management.
 User interface.

5. PROGRAMMING SOFTWARE.
 Compiler.
 Interpreter.
 Assembler.
 Debuggers.
 Linkers.
 Text editors.
 Integrated Development Environment.

6. APPLICATION SOFTWARE.
 Word-processing software.
 Spreadsheet software.
 Database software.
 Desktop publishing software.
 Presentation software.
 Office suite software.
 Image editors software.
 Communications software.
 Utility software.
 Educational software.

7. NETWORK TOPOLOGLIES.
 Advantages of Bus Topology.
 Asvantages of Ring Topology.
 Advantages of Star Topology.
 Advantages of tree Topology.
 Advantages of Mesh Topology.

8. CATEGORIES OF THE OSI
LAYERS.
 Upper Layers.
 Lower Layers.
 Physical Layers.
 Data Link Layers.
 Network Layers.
 Transport Layers.
 Session Layers.
 Prsentation Layers.
 Application Layers.

9. BENEFITS OF DATABASE
MANAGEMENT SYSTEM.
Reduction in Data Redundancy.
Reent duction in Inconsistency.
Sharing of Data.
Enforcenment of Standards.
Improvement in Data Security.
Maintenace of Data Integrity.
Better Interaction with Users.
Efficient System.