Final Exam Review - PC Pro questions and verified correct answers 2023

A microprocessor unit performs arithmetic and logic operations, a memory unit is used to store data, instructions and information while an input/output unit accept data input from a user or output data generated by a computer. What do the above three units form? - correct answer The Central Processing Unit (CPU) When you boot up a computer, the first instructions come from where? - correct answer the BIOS In networking terms, a device with the following characteristics is referred to as? Characteristics: Layer 1 device, Outs the signal from all of its port except the one from where it's inserted, unable to detect the collision, works on single collision and a single broadcast domain. - correct answer Collision domain What are the differences between domain and workgroup? - correct answer Workgroups connect computers to each other directly, while domains have all the networked computers connect to a central location. The OSI Reference Model comes in seven layers. In what order are they presented? - correct answer Physical, Data Link, Network, Transport, Session, Presentation, and Application. What are the types of microprocessor packaging? - correct answer Chip carrier. Pin grid array. Flat package. What are the key attributes of cloud computing? - correct answer What are the key attributes of cloud computing? Virtualization and cloud computing share what characteristics? - correct answer Storage virtualization Identify three broad types of mobile applications. - correct answer Native Apps. Nati