বই English File - মধ্যম - পাঠ 9 বি

a device used to connect two pieces of equipment that do not connect to each other on their own

a device that can refill a battery with electrical energy

a series of keys on a board or touchscreen that we can press or tap to type on a computer, typewriter, smartphone, etc.

a small device used for storing or transferring data between electronic devices

a small, handheld device that we move across a flat surface to move the cursor on a computer screen

an device consisted of two or three metal pins that can connect a piece of electrical equipment to a power supply when fitted into the holes of an electric outlet

a machine, particularly one connected to a computer, that prints text or pictures onto paper

a small device that lets you control electrical or electronic devices like TVs from a distance

an electronic device that connects computer networks and sends data between networks

a place where we can plug in devices to connect them to the electricity

equipment that transforms electrical signals into sound, loud enough for public announcements, playing music, etc.

something such as a button or key that turns a machine, lamp, etc. on or off

the technology or system for connecting other devices to a computer

a group of wires bundled together for transmitting electricity that is protected within a rubber case

to make something stop working usually by flipping a switch

to remove a piece of data from a computer or smartphone

to make something more useful or modern by adding the most recent information to it, improving its faults, or making new features available for it

to turn a switch on a device so that it makes more sound, heat, etc.

to add a piece of software to a computer system

to disconnect an electronic device from an electricity source

to adjust something to be in a suitable or desired condition for a specific purpose or use

to turn a switch on a device so that it makes less sound, heat, etc.

to connect something to an electrical port

to make something start working usually by flipping a switch