f9488a8cf8 This type of memory is more economical. There are different types of RAM available. ACD-ROMis a pre-pressed optical compact disc which contains data. Drum Plotter: The paper is placed over the drum that rotates back and forth. It consists of keys that are capable of inputting alphabets, numbers and special characters.
PROM (Programmable Read only Memory): PROM is read-only memory that can be modified only once by a user. (B) ALU (Arithmetic Logic Unit) Think of the ALU as the logical part of the brain. Method Not Allowed .. Non-Impact Printers: Non-impact printers print the characters without using ribbon. It is read/write memory which stores data until the machine is working. .. Static Random Access Memory (SRAM): A type of memory that is faster and less volatile than DRAM, but requires more power and is more expensive. This type of memory is non-volatile. Information on a floppy disk is recorded in the magnetized states of particles of iron oxides evenly placed upon concentric circles known as tracks.