Question | Answer |
The Comptor is one of the most important_________ of the past century. | Inventions |
The first computers were developed in the late ________________ by the military and government. | 1940s & 1950s |
The first ____________ computor was built in 1976. The IBM PC was introduced in 1981. | Apple |
A computer is an _____ that follows a series of steps referred to as an informatio processing cycle | Electronic device |
A ____________ includes hardware, software, data, and people. | Computor system |
Special- purpose computers are used mostly to ________ other devices. | Control |
Genral-purpose computers are Divided into ______, based on their physical size, function, cost, and performance. | Categorize |
Computers take ______ and change it into information. | Raw Data |
You input programs and data with some type of ____ device. | Output |
The computer uses ____ to process the data and to turn it into information. | instructions |
You _______ the information to some type of output device | send |
You store it for later ___ | Retrieval |
The _____________ is a circuit board that contains intergral components. | Mother Board |
The central processing unit (GPU) is the ____ of the computer. | Brains |
The GPU has two primary sections: the ____ and the ___ | Arithmetic ; logic |
The arithmetic/logic unit (ALU) performs _____ computations and ________ operations. | Arithmetic ; logical |
The control unit ____ all of the processor`s activites. | coordinates |
You __________ with the computers through ____ languages | Communicate ; programing |
The computer uses machine language, or ____ binary, which is all 1s and 0s | binary |
In ________ language, the control unit sends out necessary ________ to execute the instructions. | Machine ; Messages |
The memory on the motherboard is ________, called random access memory (RAM). | Short term |
Data, information, and program instructions are stored ______ on RAM chip and disappear when the computer is turned off. | Temporarily |
The _____ is the amount of time it takes to retrieve instructions to perform a specified task and complete the command. | Instruction cycle |
The __________ refers to the amount of time it takes the CPU to execute the instruction and store the results in RAM | execution cycle |
Together, the instruction cycle and one or more execution cycles create a _________ | Machine cycle |
ROM chips store _______ instructions that are needed for computer peration. | Specific |
The more common of these is the BIOS ROM, containing instructions to ___________ when you turnon the computer | Start the system |
To keep a __________ of data, you must store it on a storage device | permanent |
Data is stored in __________ in a special log on the disk called a file allocation table (FAT) | Numbered tracks |
Hard disk _____ are speed and capacity. | Advantages |
Magnetic tape is primarily used for _______ and _____. | Backup ; Data collection |
Since the introduction of _________ drives and solid-stage media, disks are not as widely used. | USB |
Use _______ technology to read and write data on ________,like CDs and DVDs | Laser ; Silver Platters |
Removable medium that uses _______, such as USB flash drive. | integrated circuits |
Hard drive or tape connected to a _______ and is available to and shared by multiple users. | Network |
Keep away from ______ fields | Magnetic |
Avoid ______ temperatures. | Extreme |
Remove media from drive and ____ the properly when not in use. | store |
When handling DVDs and other opical discs, hold them at the _____ | edges |
Never try to ________ the media from a drive when the drive indicator light is on. | Remove |
Keep ________ in a sturdy case when transporting | Discs |
One of the major areas of change in the evolution of computers will be _________, or the ability to connect with other computers. | connectivity |
Wireless and mobile devices will become the ________. | Normal |
Computer _________, which is the knowledge and understanding of computers and their uses, will become even more important. | literacy |