CPET10 3

• OS COMPONENTS


  • OPERATING SYSTEM COMPONENTS
  • PROCESS MANAGEMENT
  • FILE MANAGEMENT
  • NETWORK MANAGEMENT
  • MAIN MEMORY MANAGEMENT
  • SECONDARY STORAGE MANAGEMENT
  • I/0 DEVICE MANAGEMENT
  • SECURITY MANAGEMENT
  • COMMAND INTERPRETER SYSTEM
• PROCESS MANAGEMENT


  1. is a procedure for managing many processes running simultaneously on the operating system

  2. Every running software application program has one or more processes associated with them
• FILE MANAGEMENT


  • is a set of related information defined by its creator
  • It commonly represents programs (both source and object forms) and data. Data files can be alphabetic, numeric, or alphanumeric
• NETWORK MANAGEMENT


  1. is the process of administering and managing computer networks

  2. It includes performance management, provisioning of networks, fault analysis, and maintaining the quality of service
• MAIN MEMORY MANAGEMENT


  • is a large array of storage or bytes, which has an address
  • The memory management process is conducted by using a sequence of reads or writes of specific memory addresses
• SECONDARY STORAGE MANAGEMENT


  • The main memory is too small and cannot store all the data and programs permanently
  • secondary storage acts as a backup to the main memory
• I/O DEVICE MANAGEMENT


  One of the important use of an operating system that helps to hide the variations of specific hardware devices from the user
• SECURITY MANAGEMENT


  refers to a mechanism for controlling the access of programs, processes, or users to the resources defined by computer controls to be imposed, together with some means of enforcement
• COMMAND INTERPRETER SYSTEM


  • One of the most important components of an operating system is its command interpreter
  • The command interpreter is the primary interface between the user and the rest of the system