Exam 2: The System Unit: Processing and Memory

The ____ tries to predict what data and instructions will be needed and retrieves them ahead of time, in order to help avoid delays in processing.

Memory refers to the amount of long-term storage available to a PC. _________________________

One type of nonvolatile RAM, called MRAM, uses ____ polarization rather than an electrical charge to store data.

Describe how Hyper-Threading Technology works.

The binary numbering system uses only two symbols-the digits 0 and 1-to represent all possible numbers.

The term ____ refers to chip-based storage used by the computer.

Keyboards and mice are typically connected to a computers using parallel ports. _________________________

Cache memory today is usually external cache. _________________________

As a hard drive begins to get full, it takes less time to locate and manipulate the data stored on the drive.

Most network cards contain a port that accepts a(n) ____, which looks similar to a telephone connector but is larger.

A computer ____ is the amount of data (measured in bits or bytes) that a CPU can manipulate at one time.

____ are small components typically made out of aluminum with fins that help to dissipate heat.

A(n) ____________________ is a thin board containing chips and other electronic components.

____ consists of nonvolatile memory chips that can be used for storage by the computer or the user.

The ____ is the section of the CPU that performs arithmetic involving integers and logical operations.

ROM (read-only memory), also called main memory, is used to store the essential parts of the operating system while the computer is running.

The key element of the microprocessor is the ____-a device made of semiconductor material that acts like a switch controlling the flow of electrons inside a chip.

ASCII is the coding system traditionally used with personal computers. _________________________

Instructions and data flow in and out of the CPU via the ____.

Today's CPUs are formed using a process called ____ that imprints patterns on semiconductor materials.