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MIS 200 Exam 2- Annie Tian (1)
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MIS 200 Exam 2- Annie Tian (1)
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MIS 200 Exam 2- Annie Tiancase - ANS-hardware; plastic box housing
motherboard - ANS-hardware; circuit board
bus - ANS-hardware; provides the links between units, "nervous system"
Central Processing Unit (CPU) - ANS-hardware, does things (executing), "brain of the
computer," runs programs
Random Access Memory (RAM) - ANS-hardware, main memory, instant accessibility, difference:
RAM and ROM (read-only memory, permanent)
Hard drive - ANS-hardware, storage, loading data from bulky hard drive to RAM
volatile - ANS-cache: stored on the CPU or motherboard, RAM
non-volatile - ANS-archival storage- magnetic disks (most common hard drive), solid-state drive
(SSD), thumb drives, optical disks (CD/DVD), magnetic tape
bit - ANS-binary digit (0 or 1)
byte - ANS-8 bits (represents one character)
kilobyte - ANS-1024 bytes
megabyte - ANS-1024 kilobytes
gigabyte - ANS-1024 megabytes
terabyte - ANS-1024 gigabytes
Internet of Things (IoT) and Internet of Everything (IoE) - ANS-everyday objects embedded with
microprocessors capable of sensing, processing, transmitting data; objects share data via a
network with any other applications, services, or device
IoT - ANS-physical objects with other physical objects (devices)
IoE - ANS-people, processes, data, and things
Augmented Reality - ANS-display information on real-world objects
, mixed reality - ANS-combining the physical world with interactive virtual images/objects
virtual reality - ANS-completely computer generated virtual world
server farm - ANS-collection of servers
native applications - ANS-thick client, developed by professionals, can be superb, depending on
programming quality, application possibilities are endless, dependent on operating system, high
cost, distributed through application stores
web applications - ANS-thin client, anyone can develop, simple to sophisticated, depending on
program quality, some limits prohibit very sophisticated applications, dependent on browser,
costs can range, distributed through web sites
Bring Your Own Device (BYOD) - ANS-allows employees to access work data anywhere,
anytime; increase an employee's work productivity; increase an employee's effective working
time by 45-60 minutes per week; gives organization an innovative corporate image, allows
organization to save money
database - ANS-an organized collection of data, typically stored in a computer system; stores,
organizes, and keeps track of data; can keep track of multiple themes, collection of related
tables
row - ANS-represents a unique record (observation) in a table
column - ANS-represents a field in a table
table - ANS-a group of similar rows of records
byte (character) - ANS-smallest unit of database, groups into columns
metadata - ANS-data dictionary, referring to the description of the data, such as data type, max
value, default value, required and validation rules
primary key - ANS-unique identifier in a table
foreign key - ANS-provides a link between data in two tables
Database Management System (DBMS) - ANS-program to create, process, administer a
database; licensed from vendors:(vender: IBM, Microsoft, Orace, etc) DB2 (IBM)l Access (Office
365), SQL Server (MS), Oracle Database (Oracle); Open source: MySQL (license-free for most
applications)
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