author: helen williams

... etc. Rfid – This method involves minute electronic devices (containing ... Smart cards – These contain embedded microchips and receive power from card ... bar code using laser readers or other types of reader. – These systems can read ...

... SRAM • they have a higher memory capacity than SRAM. Static. RAM. (SRAM). A major difference between SRAM and DRAM is that SRAM doesn't need to be constantly refreshed. It makes use of flip flops, which hold each bit of memory. SRAM is ...

David Watson, Helen Williams. Program development lifecycle – the process of developing a program set out in five stages: analysis, design, coding, testing and maintenance. Analysis – part of the program development lifecycle; a process ...

... computer). This routine is handled by the Basic Input Output System (BIOS) which is a type of firmware – a program that provides low-level control of devices. The BIOS is stored on a flash memory chip called an EEPROM (electrically ...