A | B |
Which type of memory allows data and instructions to be stored and changed? | RAM |
A microcomputer's CPU is placed on a chip called ______. | a microprocessor |
Which of the following statements about ROM is true? | The data stored in ROM remain intact when the power is off. |
____ can be used to place printed items such as photographs into the computer system. | Image scanners |
One K of storage is ______ bytes. | approximately a thousand |
____ describes how clear your monitor image will be. | Resolution |
A flash drive is considered ____ media because there are no moving parts. | Solid State |
The unit of storage that can represent a single character, such as the letter "z" is called a _____________. | byte |
Input, output and secondary storage devices located outside the CPU are called ______________. | Peripherals |
______ drives use laser beams to read data. | CD-ROM |
A bit is a binary digit. | true |
The binary number system uses ____ digits. | 2 |
The smallest unit of storage is called a ____. | bit |
Data is represented in the computer by electrical states ______. | on and off |
The physical components of a computer system, such as the keyboard and printer, are called ____. | hardware |
A computer's ____ determines how many times its internal crystal pulses each second. | clock speed |
the type of memory that is permanent | ROM |
computer output that is printed in permanent form | hard copy |
computer output that is displayed on the monitor screen and later erased | soft copy |
an electromagnet is used to read and write data on this | magnetic storage |
compact file storage device that saves information externally | flash drive |
measured in hertz (Hz), it is one of the factors that effects how fast your computer can execute instructions | clock speed |
examples include hard disk drives, printers, monitors and keyboards | peripherals |
uses laser beams to read and write data | optical media |
the type of temporary memory that allows the user to readily store and retrieve data | RAM |
running two or more programs at once | multitasking |
utility that decreases the size of a file | compression |
an instruction to the computer telling it to perform a particular function | command |
programs designed to meet a particular user need | application |
loading the operating system | booting |
Mac OS used the first successful graphical user ___ | interface |
user ___ describes how easy a piece of software is to learn | friendly |
the part of the OS that manages the systems resources | kernel |
a picture that represents an object or command | icon |
a___ user interface uses icons and menus | graphical |
to make a copy of your files | backup |
___ programs in an OS perform specific tasks like backup or defragmentation | utility |
software that is free to download | open source |
the person interacting with the computer | user |
Printer | output |
Soft Copy | output |
Bar Code Reader | input |
Standard monitor | output |
Mouse | input |
Scanner | input |
Hard Copy | output |
Plotter | output |
Keyboard | input |
Microphone | input |