What's the total power in a circuit with a current of 4 A and a resistance of 12 Ω? A. 48 W

B. 16 W

C. 192 W

D. 4 W

A wet-carpet cleaner that carries its own water supply has water pressure created by a A. faucet mixing valve. B. manual valve. C. motor-driven pump. D. solenoid valve.

Your new home has a vacuum system. what kind of computer is controlling it?

Which entity has the principal responsibility to control the execution of processes? A. Operating system B. Process control block C. Memory D. Dispatcher

Which is an advantage of a computer network? Networked computers can process data and run software faster than single computers. Networks prevent unauthorized access to data and protect equipment.

Write a program that has an array of at least 20 integers. It should call a function that uses the linear search algorithm to locate one of the values. The function should keep a count of the number of comparisons it makes until it finds the value.

18. 'Access to sensitive or restricted information is controlled' describes which of the key communications and information systems principles?

Information in Read Only Memory (ROM) cannot be changed by a computer's central processing unit.

In store-and-forward networks, only one packet may be in transit on a link at any given time. a. Trueb. False

Which advancement in technology has increased scientific knowledge of planets other than Earth? A. cellular models B. microscopes C. probeware D. rovers

Which function does an ALU perform