Premium Essay

Certification a++

In: Computers and Technology

Submitted By angel2609
Words 713
Pages 3
A(n) __________ is a set of instructions that a computer follows to perform a task. program 
The physical devices that a computer is made of are referred to as __________. hardware 
The part of a computer that runs programs is called __________. the CPU

Today, CPUs are small chips known as __________. microprocessors 
The computer stores a program while the program is running, as well as the data that the program is working with, in __________. main memory

This is a volatile type of memory that is used only for temporary storage while a program is running.
RAM

A type of memory that can hold data for long periods of time, even when there is no power to the computer, is called __________. secondary storage

A component that collects data from people or other devices and sends it to the computer is called __________. an input device

A video display is a(n) __________ device. output device

A __________ is enough memory to store a letter of the alphabet or a small number. byte 
A byte is made up of eight __________. bits 
In the __________ numbering system, all numeric values are written as sequences of 0s and 1s. binary 
A bit that is turned off represents the following value: __________.
0

A set of 128 numeric codes that represent the English letters, various punctuation marks, and other characters is __________.
ASCII

An extensive encoding scheme that can represent characters for many languages in the world is __________. unicode 
Negative numbers are encoded using the __________ technique. two's compliment

Real numbers are encoded using the __________ technique. floating point

The tiny dots of color that digital images are composed of are called __________. pixels 
If you were to look at a machine language program, you would see __________.
a

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