Exam 4: The Components of the Unit System

COGNITIVE ASSESSMENT What type of circuit board is used to convert computer output into a video signal that displays an image on a monitor?

COGNITIVE ASSESSMENT What technology uses radio waves to transmit data between two devices, allowing people to use their cell phones hands-free in automobiles?

COGNITIVE ASSESSMENT What method do chip manufacturers use to identify their chips?

Which of the following modules is a removable flash memory device about one-half the size of a PC Card that adds memory, communications, and multimedia capabilities to computers?

Which of the following is etched on a computer chip and contains many microscopic pathways capable of carrying electrical current?

Which of the following is the component of the system unit that converts the wall outlet AC power into the DC power a computer requires?

COGNITIVE ASSESSMENT If your instructor turns on his computer and then starts a Web browser, what contents are in RAM?

Several devices that use IrDA ports use a high-speed IrDA port, sometimes called a fast infrared port.

L1 cache is built directly into a processor chip and usually has a very small capacity.

COGNITIVE ASSESSMENT Which device allows a user to work with a full-sized keyboard, a mouse, and other desktop peripherals from a traditional notebook computer, netbook, or Tablet PC?

COGNITIVE ASSESSMENT What is unique about a multi-core processor?

Some computer and chip manufacturers use which of the following terms to refer to a personal computer processor chip?

Which of the following is a device that plugs in a FireWire port on the system unit like the one in the accompanying figure and contains multiple FireWire ports in which users plug cables from FireWire devices?

When the computer's power is turned off, volatile memory does not lose its contents.

ROM is nonvolatile.

Within the circuitry of a computer, each channel along which bits transfer allows the various devices both inside and attached to the system unit to communicate with each other. What are these channels called?

In the binary system, the digit 1 represents the electronic state of off (absence of an electronic charge).

A port replicator is an external device that attaches to a mobile computer or device, contains a power connection, and provides connections to peripherals.

Some motherboards include all necessary capabilities and do not require adapter cards like the one in the accompanying figure.

COGNITIVE ASSESSMENT To transfer data from one location to another in RAM, what two elements must be present?