Computer Fundamentals unit content
- Created by: cristina lumbreras
- Created on: 28-05-13 20:10
View mindmap
- Computer Fundamentals
- Software
- definition of problem
- information collection
- questionnaires
- observation
- interviews
- design
- implementation
- testing
- installation
- data documentation
- feasibility study
- maintenance
- interface
- GUI
- natural language
- forms
- menus
- command line
- Data
- binary
- octal
- hex
- BCD
- two's complement
- sign and magnitude
- code to represent characters
- ASCII
- EBCDIC
- UNICODE
- automatic methods of gathering information
- OMR
- OCR
- voice recognition
- barcode
- touch screen
- MICR
- chip and pin
- sensor
- remote data logging
- validation and verification
- backing up and archiving
- binary
- Hardware
- registers
- program counter
- MAR
- MDR
- current instruction register
- accumulator
- buses
- data address
- control bus
- Processor
- Memory Unit
- Control Unit
- ALU
- primary memory
- ROM
- RAM
- buffers
- interrupts
- secondary storage
- registers
- Data transmission
- LAN
- WAN
- types of transmission
- serial
- parallel
- simplex
- half duplex
- duplex
- correcting errors
- sum checking
- parity checking
- echoe checking
- switching
- packet
- protocol
- physical
- logical
- circuit
- implications of computer use
- economical
- social
- legal
- Data Protection Act 1998
- ethical
- privacy confidentiality
- Software
Comments
No comments have yet been made