Internet
Which of the following transport layer protocols is used to support electronic mail?
  • IP
  • UDP
  • SMTP
  • TCP
Explanation: TCP (Transmission Control Protocol) supports electronic mail by providing reliable, connection-oriented communication. SMTP (Simple Mail Transfer Protocol), used for email transmission, relies on TCP to ensure secure and accurate message delivery.
Unix was developed by
  • Berkley software group
  • Bell labs
  • California University
  • American Defence Academy
Explanation: Unix was developed in the 1960s and 1970s by Ken Thompson, Dennis Ritchie, and others at Bell Labs (AT&T's research and development subsidiary).
Computers that control processes accept data in a continuous
  • Infinite loop
  • Sot
  • Data highway
  • Data traffic pattern
Explanation: A "data highway" refers to continuous data flow in control systems, enabling real-time communication. An infinite loop is a programming error, and "sot" is not a relevant term for data flow.
Which device is used to access your computer by other computer or for talk over phone?
  • Hard disk
  • Modem
  • CD ROM Drive
  • RAM
Explanation: A modem (Modulator-Demodulator) is used to connect your computer to other computers or networks, allowing data transfer over phone lines or other communication channels. It enables internet access and voice communication through telephones.
A network which is used for sharing data, software hardware among several users owing micro computers is called
  • LAN
  • WAN
  • MAN
  • VAN
Explanation: A LAN (Local Area Network) is used for connecting microcomputers and devices within a small geographic area, such as an office or home, enabling users to share data, software, and hardware resources.
A distributed network configuration in which all data/information pass through a central computer is
  • Multiplex
  • Duplex
  • Bus network
  • Star network
Explanation: In a Star network configuration, all data/information passes through a central computer or hub. Each device in the network is connected to this central point, which manages the communication.
A(n) ____ is composed of several computers connected together to share resources and data.
  • Protocol
    • Explanation: A network is a system of interconnected computers that share resources, data, and services. It enables communication between devices, whether in a local area (LAN) or across broader regions (WAN).