ICT Section 29

Section 29 8.5.14

Today we have an ICT exam in the lab..and had discussion for our mid exam
everyone had past in this mid exam except one,44 sound bad for me =( But at least I had improve ..next term add oil bah..

Recall back ...

- Plotter is not an input device.

- System software controls, integrate and manages the individual component of a computer system

- Example of spreadsheet software
* Lotus 1-2-3
* Microsoft Excel
* OpenOffice Cale
* Borland Quattro Pro

- A control unit fetches instruction from the memory and then decodes and executes them.

- In a computer,1 KB is equal to 1024 bytes

- Computer use binary codes to communicate.

- Jean- Maurine-Emile Bardout(1845-1903) created the teleprinter which used the 5-digit Bardout code

- The clock speed unit in a microprocessor is measured in hertz

- A connector is used to join a cable to a device.

- Camcorders and other video equipments use a FireWire Port to transmit data onto a computer 

- MIDI port is designed to connect the system unit to a musical instrument

- IrDA port is for wireless devices to transmit infrared light wave signals to a computer

- SCSI port is a special highspeed parallel port used to attach peripheral devices such as disk drives and printers.