Universal Serial Bus (USB) 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. USB was designed to standardize the connection of computer peripherals to personal computers, both to communicate and to supply electric power.

Correct Option: C

Universal Serial Bus (USB) 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. USB was designed to standardize the connection of computer peripherals to personal computers, both to communicate and to supply electric power.

Bluetooth is a wireless technology standard for exchanging data over short distances, creating personal area networks (PANs) with high levels of security. It can connect several devices, overcoming problems of synchronization.

Correct Option: D

Bluetooth is a wireless technology standard for exchanging data over short distances, creating personal area networks (PANs) with high levels of security. It can connect several devices, overcoming problems of synchronization.

Web pages are what make up the World Wide Web. These documents are written in HTML (hypertext markup language) and are translated by the Web browser.

Correct Option: C

Web pages are what make up the World Wide Web. These documents are written in HTML (hypertext markup language) and are translated by the Web browser.

Web pages are what make up the World Wide Web. These documents are written in HTML (hypertext markup language) and are translated by the Web browser.

Correct Option: C

Web pages are what make up the World Wide Web. These documents are written in HTML (hypertext markup language) and are translated by the Web browser.

The computer mouse as we know it today was invented and developed by Douglas Englebart during the 1960’s. While creating the mouse, Douglas was working at the Stanford Research Institute and originally referred to the mouse as a “X-Y Position Indicator for a Display System.” This mouse was first used with the Xerox Alto computer system in 1973.

Correct Option: A

The computer mouse as we know it today was invented and developed by Douglas Englebart during the 1960’s. While creating the mouse, Douglas was working at the Stanford Research Institute and originally referred to the mouse as a “X-Y Position Indicator for a Display System.” This mouse was first used with the Xerox Alto computer system in 1973.