Computers
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The document discusses the fundamental components and functions of computers, including their ability to execute instructions and connect with various input and output devices. It outlines different types of operating systems and their characteristics, as well as networking scales, services, topologies, and protocols. Overall, it emphasizes the evolving nature of computer technology and its applications.
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Computers
- 2. A programmable device Carries out specific tasks Arithmetic & mathematic operations Sequences of processes
- 3. Electronic devices Input peripherals Output Mixed peripherals Storage Memories Central Processing Unit or CPU • Executes a series of instructions • Integrated circuits • • • • • • •
- 9. Interfaces Programs Applications OS Resources Connection with equipment Is a set of programs that serve as intermediary between the user and the hardware
- 10. TYPES OF OS SINGLE TASK MULTI USER MULTI TASK SINGLE USER
- 12. Facilitates communication Sharing files, information… Share computer resources Programming
- 13. NETWORKS
- 14. Scale: WAN, LAN, PAN, CAN, BN (backbone), VPN (virtual private)… Connection:home PNA, Ethernet, line… Services: pubic or private Topology: tree, ring, star, bus…. Protocol: net & protocol…