Exam 4: The Components of the System Unit

The arithmetic unit interprets each instruction issued by a program and then initiates the appropriate action to carry out the instruction.

The larger the number of bits handled by the bus, the slower the computer transfers data.

Replacing a motherboard is a fairly simple process, whereas replacing a processor is much more complicated.

Figure 4-3 As shown in Figure 4-3, a(n) _________________________ is a circuit board that enhances functions of a component of the system unit and/or provides connections to peripherals.

The role of memory to store both data and programs is known as the _________________________.

Some computer professionals measure a processor's speed according to the number of ____ it can process.

____ refers to memory chips storing permanent data and instructions.

Because a heat sink consumes a lot of space, a smaller device called a heat ____ cools processors in notebook computers.

Unlike IrDA, Bluetooth devices have to be aligned with each other.

Intel's ____ is designed to enhance digital entertainment through a home computer.

Arithmetic operations involve comparing one data item with another to determine whether the first item is greater than, equal to, or less than the other item.

Comparison operations include basic calculations such as addition, subtraction, multiplication, and division.

A(n) ____ port is a type of interface that connects a device to the system unit by transmitting data one bit at a time.

Because of their small size and versatility, some consumer electronics products such as digital cameras use PC Cards.

Generally, home users running Windows Vista and using basic application software such as word processing should have at least ____ MB of RAM.

A(n) _________________________ is a device that enables users to join two connectors that are both female or both male.

Parallel ports originally were developed as an alternative to the slower speed serial ports.

A FireWire port allows a user to connect up to 15 devices together.

The data bus transfers information about where the data should reside in memory, and the address bus transfers actual data.

A FireWire port previously was called a DIMM port.