components of a computer system Flashcards
what is computer hardware
physical elements of a computer eg. screen, CPU
what is software
series of instructions that can be understood by a CPU that guide the CPU to perform specific operations
what is peripheral device
any auxiliary device that can communicate, work with a computer
what are some examples of peripheral devices
input/output devices , printers
what is a computer network
a set of computer systems that are interconnected and share resources and data
what is human resources
people who are used in an organization, business
what is a dumb terminal
a device that usually consists of a keyboard, a monitor, network card that is connected to a server or a computer
what do dumb terminals depend entirely on
computer to which they are connected for computations, data processing, data management
what is a thin client
relatively low performance terminal
what does a thin client depend on
the server to which it is connected
what is a client
an average computer or a terminal used to access a computer-based system
what is an email server
manages the flow of email in and out of the network and checks that an email address is valid, allows users to access their mail
what is a router
networking device that accepts incoming data packets
what does a router do
reads their destination address, distributes them across networks according to a routing policy
what is a Domain name system server
attributes names to network addresses
