Management Information System (MIS) Practice Exam

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Prepare for the Management Information System Test. Boost your knowledge with flashcards and multiple choice questions, each question includes hints and explanations. Be exam-ready today!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which of the following types of ports is used to transfer one bit at a time and hence, has the slowest data transfer rates?

USB port
parallel port
IEEE 1394 port
serial port

The correct answer is: serial port

The serial port is the type of port that transfers data one bit at a time, making it the slowest of the options provided. It operates by sending data sequentially, one bit after another, over a single channel. This method of transmission results in lower data transfer rates compared to other types of ports that can send multiple bits simultaneously. In contrast, a parallel port transmits multiple bits at the same time, utilizing several channels, which significantly increases its speed. USB and IEEE 1394 (FireWire) ports also support high-speed data transfer by using advanced protocols that allow for faster communication and multiple data channels. Therefore, serial ports are best suited for simpler, low-speed communication tasks, such as connecting older devices, while the other ports are designed for faster, more efficient data transfer tasks.