Secondary Storage
floppy disk, hard disks and zip disks
Examples of magnetic media
Hold or store the temporary operating instructions for the computer, its programs and the data
What is Random Access Memory(RAM)
A process through which digital data is saved within a data storage device by means of computing technology
What is storage?
The acronym CPU
What is Central Processing Unit
This is the sequence of events in processing information
What is the Processing Cycle?
Can store up to 1.44mb of data
What is the storage capacity of a floppy disk/diskette?
data held in ___________ is lost when a computer is turned / switched off or malfunctions.
What is a disadvantage of RAM?
A device that can be either in one of the two possible states
What is a bi-stable device?
It fetches instructions from main memory, interprets them, then decides where to send them
What is the function of the Control Unit (CU)?
Input>output>process>storage
What are functions of the processing cycle?
the read/write head cannot ‘jump’ to a desired point on the tape without the tape first being advanced to that point
What is the magnetic tape?
Contains startup information for your computer system
What is Read Only Memory (ROM)
The total time it takes a computer to request data, and then that request to be met
What is access time?
Its purpose is to perform arithmetic and logic operations
What is the Arithmetic/Logic Unit (ALU)?
This is the point where we get the unprocessed data into the computer
Input
The acronym is CD-ROM
What is Compact Disk- Read Only Memory?
A computer memory chip that can be programmed once after it is created.
What is Programmable Read Only Memory (PROM)?
Any data can be accessed without reading any other data item first.
What is direct access?
A register that keeps track of where an instruction or data is stored in memory
What is address register?
Monitor
What is an output device?
the data on ________________ can be erased and re-written.
What is CD-RW?
To access the data you want you cannot skip to get there.
What is sequential access?
This is a circuit that provides a path for transmission of data/information between the components of the CPU
What is a bus?