Exam 2: The System Unit, Processing, and Memory

To convert analog sound to digital sound, several thousand samples-digital representations of the sound at a particular moment-are taken every second.

Video data-such as home movies, feature films, video clips, and television shows-is displayed using a collection of ____.

A circuit board is a thin board containing ____ and other electronic components.

With bitmapped images, the color of each ____ is represented by bits; the more bits used, the better the image quality.

Computer chips are also called ____________________.

The control unit takes the instructions fetched by the prefetch unit and translates them into a form that can be understood by the control unit, ALU, and FPU.

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

The term ____ refers to chip-based storage.

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.

Eight bits grouped together are collectively referred to as a ____.

With pipelining , a new instruction begins executing as soon as the previous one reaches the next stage of the pipeline. _________________________

Cache memory today is usually external cache. _________________________

One reason a computer might become inefficient is that when programs are uninstalled, pieces of the program are sometimes left behind or references to these programs are left in operating system files such as the ____.

Like graphics data, ____-such as a song or the sound of someone speaking-must be in digital form in order to be stored on a storage medium or processed by a computer.

Virtually all CPUs today can process more than one piece of microcode at one time-a characteristic known as ____________________, which is the ability to process multiple instructions per cycle (IPC).

The backside bus (BSB) has been one of the most common types of expansion buses in past years.

The main circuit board inside the system unit is called the megaboard.

The ____ orders data and instructions from cache or RAM based on the current task.

RAM capacity is measured in bits . _________________________

____________________ are tiny, hollow tubes made by rolling up sheets of graphene.