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33 Cards in this Set
- Front
- Back
Computer ___________ consists of electronic components and related gadgetry that input, process, output, and store data according to instructions encoded in computer programs or software
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hardware |
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everyone computer has a _ _ _, which is sometimes called "the brain" of the computer;; the portion of a computer that selects instructions, processes them, performs arithmetic and logical comparisons, and stores results of operations in memory. |
central processing unit (CPU) |
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A computer with two CPUs is called a ____-processor computer |
dual-processor |
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____-processor computers have four CPUs;; Some high-end computers have 16 or more CPUs. |
quad-processor |
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The CPU reads data and instructions from memory and then stores the results of computations in _____ memory; CPU works in conjunction with this |
main memory |
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Main memory is sometimes called _ _ _ |
random access memory (RAM) |
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all computers include __________ hardware, which is used to save data and programs. |
storage hardware |
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_ _ are classic computing devices that are used by individuals.;laptops & desktops |
Personal computers (PC) |
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Computing device that allows interaction through a flat touch screen. |
Tablet |
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A _______ is a computer that is designed to support processing requests from many remote computers and users.;;provides some type of service, such as hosting a database, running a blog, publishing a Website, or selling goods. Server computers are faster, larger and more powerful than client computers. |
server |
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PCs, tablets, and smartphones that access servers are called _______. |
clients |
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A server _____ is a collection of, typically, thousands of servers. |
server farm |
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Computers represent data using _______ digits, also called bits. A bit is either a zero or a one. |
binary digits |
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Bits are grouped into 8-bit chunks called _____ |
bytes |
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A __________, abbreviated K, is a collection of 1,024 bytes. A __________, MB, 1024K A __________,GB = 1024 MB A __________,TB = 1024GB A __________,PB = 1024TB A __________,EB = 1024PB A __________,ZB = 1024EB |
Kilobyte Megabyte Gigabyte Terabyte Petabyte Exabyte Zettabyte |
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Unit of measurement used to describe CPU speeds equal to a cycle per second; CPU speed |
Hertz |
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A device's cache and main memory are _________, meaning their contents are lost when power is off. In contrast, magnetic and optical desks are ____________, meaning their contents survive when power is off. |
volatile & nonvolatile |
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The first disruptive force that has the power to change business is the _ _ _. This is the idea that objects are becoming connected to the Internet so that they can interact with other devices, applications, or services. |
Internet of Things (IoT) |
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Over time cell phone became this;; a device that has processing power, memory, network connectivity, and the ability to interconnect with other devices and applications. |
Smart device |
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The second disruptive force that could change the way businesses operate is self-driving cars. A ____-_______ car (aka autonomous/driverless car) will use a variety of sensors to navigate like a traditional car but without human intervention. |
self-driving car |
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Everyone computer has an _ _, which is a program that controls that computer's resources. |
Operating System (OS) |
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________ applications are programs that are written to use a particular operating system |
Native applications (thick-client applications) |
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A ____ application is designed to run within a computer browser such as Firefox, Chrome, Opera, or Internet Explorer. |
Web application (thin-client application) |
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Windows ________ is a version of Windows that has been specially designed and configured for server use;much more stringent and restrictive security features than other versions of Windows. |
Windows Server |
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***Computers represent data using binary digits called: |
bits |
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***A ______ is used to receive and process thousands of requests from a large number of users |
server farm*** |
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***A device's cache and main memory are: |
volatile |
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***Host operating systems that run one or more operating systems as applications are referred to as: |
virtual machines |
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__________ is a computer software that is installed into devices such as printers, print servers, and various types of communication devices. |
Firmware |
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_____ source software is typically free and modifiable, and its source code is publicly available. |
Open source |
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________ code is computer code as written by humans and understandable by humans. |
Source code
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Source code is compiled into _________ code that is processed by a computer; in general, not understandable by humans and cannot be modified. |
machine code |
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In a ________ source project, say Microsoft Office, the source code is highly protected and only available to trusted employees and carefully vetted contractors. |
closed source |