Nt1230 Unit 1 Assignment 1

UNIT 1 ASSIGNMENT 1 1) R.A.M- Stands for (random access memory). This is a type of computer memory that can be accessed randomly. RAM is the most common type of memory found in computers and other devices. 2) O.S.-(operating system) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. 3) C.P.U-(central processing unit) is the hardware within a computer that carries out the instructions of a computer program by performing the basic arithmetical, logical, and input/output operations of the system. 4) KB-(kilobyte) is a multiple of the unit byte for digital information. The SI prefix kilo- means 1000. 5) MB- (megabyte) is a multiple of the unit byte for digital information. Its recommended unit symbol is MB, but sometimes MByte is used. The unit prefix mega is a multiplier of 1,000,000. Therefore one megabyte is one million bytes of information. 6) GB- (gigabyte) is a multiple of the unit byte for digital information. One gigabyte is 1,000,000,000bytes. 7) TB- (terabyte) is a multiple of the unit byte for digital information. One terabyte is one trillion (short scale) bytes. 8) U.S.B. - (Universal Serial Bus) is an industry standard developed in the mid-1990s that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices. 9) H.D.D.-(Hard disk drive) is a data storage device used for storing and retrieving digital information using rapidly rotating disks coated with magnetic material. HDD retains its data even when powered off. Data is read in a random-access manner, meaning individual blocks of data can be stored or retrieved in any order rather than