| A | B |
|---|
| useful information | A computer is an electronic machine that manipulates data in order to create _______ _______. |
| Computers | ________________ are made up of hardware and software. |
| Hardware | ___________ is the tangible, physical equipment that can be seen and touched. |
| System Unit | A computer case that has all the part inside and is ready to use is often called the. |
| Software | ____________ is the intangible instructions that tell the computer what to do. |
| Software | PowerPoint, Windows XP, MS Word are examples of ____________. |
| Programmers | People who write software are called ___________. |
| instructions | Programmers write _______ |
| program | _________ can be defined as a series of detailed step-by-step instructions that tell the computer precisely what actions to perform. |
| four | A computer can perform only __________ basic functions |
| powerful | It’s tremendous speed, accuracy, and storage capacity is what makes the computer such a _________ device. |
| memory | The instructions that the computer follows are stored in locations known as ________. |
| random-access memory | RAM stands for ______________. |
| read-only memory | ROM stands for ______________. |
| temporary | RAM is _____________ because it is erased when the computer is turned off (powered down). |
| Erased | Your information in RAM will be _________ if power to the computer is lost. |
| permanent | ROM is ___________ memory that can not be changed or erased. |
| input | A hardware device which enables the computer to accept data is called an ________ device. |
| keyboard | The most common example of an input device is a ___________. |
| output | A hardware device which reports the information in a form we can understand is called an ___________ device. |
| monitor and printer | The two most common forms of output devices are_____and_____. |
| instructions | All computers do processing by following a series of _______ in a software program. |
| brains | The CPU is often referred to as the _________ of the computer system. |
| USB flash drive | The most common form of external storage is a ___ ___ ___ also called a thumb drive. |
| external | Other forms of ________ storage include hard drives and CD/DVD. |
| megabyte | MB stands for _______. |
| kilobyte | KB stands for ________. |
| gigabyte | GB stands for _______. |
| terabyte | TB stands for _______. |
| flash drive | A _____ _____ can hold between 256 MB to 8 GB of memory. |
| CD | ________ can store 700 MB |
| 4.7 GB | A single layer DVD can hold ___ _____. |
| hard drives | Most _____ _____ hold between 60 GB to 1000 GB (or 1 terabyte). |
| Binary | _______ means consisting of two things. |
| two digits | A binary number system is made by using only ___ ____, 0 and 1. |
| computer | Binary number system is the only coding system the ________ actually understands. |
| BIT | A ____ is one (on/off) switch. |
| character | It takes eight Bits to store one________. |
| byte | A grouping of eight switches (bits) is called a ________. |
| 256 | In the binary number system there are _____ different possible byte combinations. |
| data | All ______ inside the computer is represented by the use of binary numbers. |
| bytes | Computer memory is measured in _____. |
| 8 bits | = 1 byte |
| 1 kilobyte | = 1000 bytes |
| 1 megabyte | = 1000 kilobytes (or a million bytes) |
| 1 gigabyte | = 1000 megabytes (or a billion bytes) |
| 1 terabyte | = 1000 gigabytes (or a trillion bytes) |
