JMU COB 204 EXAM 2 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026
Central Processing Unit (CPU) - Answers Brain of the computer. Selects instructions, Processes then
performs
RAM - Answers Main Memory (Random Access Memory)
Server - Answers Operating System: Computer designed to support processing from many remote
computers and users
Bits - Answers binary digits, the way computers represent data
Byte - Answers 8 bits; represents one character in a computer
Internet of Things (IoT) - Answers a world where interconnected, Internet-enabled devices or "things"
can collect and share data without human intervention
Operating System - Answers A program that controls the computers resources
Native Applications - Answers Programs written to use a particular operating system
Thick-client application - Answers Native application running on one operating system
Client - Answers a desktop computer or workstation that is capable of obtaining information and
applications from a server.
Network - Answers Collection of computers and devices connects together
System Software - Answers Operating system, Utility program
Main Frame - Answers Large, expensive powerful computer, can handle hundreds of thousands of
connected users
Super Computer - Answers Fastest Most powerful computers
Embedded computer - Answers Special - Purpose computer that functions as a computer in a larger
component
Processor - Answers Interprets and carries out basic instructions
Control Unit - Answers Directs and coordinates most of the operations
Arithmetic logic unit - Answers Performs arithmetic comparison
Virtualization - Answers Process by which one computer hosts the appearance of many computers
Open Source Software - Answers The source code of the program is available to the public
Closed Source Software - Answers Highly protected and only available to trusted employees and
carefully vetted contractors
Charms - Answers icons that slide in from the right of the display
Roaming - Answers Occurs when users move their activities, especially during long-running
transactions across devices
Push Data - Answers Server send to, or pushes onto the device
Pull data - Answers Data that the device requests from the server
Database - Answers Self-describing collection of integrated records
Volatile - Answers Contents are lost when power is off : Cache and main memory
Nonvolatile - Answers Contents survive when power is off : Magnetic and optical disks
Operating System - Answers Program that controls a computer
Unix - Answers Operating system that was developed at bell in the 1970's
Linux - Answers Version of Unix that was developed by the open source community
Firmware - Answers Computer software that is installed into devices such as printers, printer servers
and various types of communication devices
Open source - Answers Software that is created for free use by everyone
Source code - Answers computer code as written by humans and understandable by humans
Machine code - Answers Zeros and ones that represent simple instructions executed by a processor.
Cloud - Answers Elastic leasing of pooled computer resources over the internet
Mainframe - Answers Large-scale high-speed centralized computers
mainframe architecture - Answers supports connections between a central mainframe and numerous
thin-clients
computer terminal - Answers Combination of three components: a keyboard, a viewing screen, and
network connection
client/server architecture - Answers Allows clients to send requests across Internet to servers
scalable - Answers easily able to respond to incremental growth in demand
cloud computing architecture - Answers allows employees and customers to access organizational
data and applications located in the cloud
Central Processing Unit (CPU) - Answers Brain of the computer. Selects instructions, Processes then
performs
RAM - Answers Main Memory (Random Access Memory)
Server - Answers Operating System: Computer designed to support processing from many remote
computers and users
Bits - Answers binary digits, the way computers represent data
Byte - Answers 8 bits; represents one character in a computer
Internet of Things (IoT) - Answers a world where interconnected, Internet-enabled devices or "things"
can collect and share data without human intervention
Operating System - Answers A program that controls the computers resources
Native Applications - Answers Programs written to use a particular operating system
Thick-client application - Answers Native application running on one operating system
Client - Answers a desktop computer or workstation that is capable of obtaining information and
applications from a server.
Network - Answers Collection of computers and devices connects together
System Software - Answers Operating system, Utility program
Main Frame - Answers Large, expensive powerful computer, can handle hundreds of thousands of
connected users
Super Computer - Answers Fastest Most powerful computers
Embedded computer - Answers Special - Purpose computer that functions as a computer in a larger
component
Processor - Answers Interprets and carries out basic instructions
Control Unit - Answers Directs and coordinates most of the operations
Arithmetic logic unit - Answers Performs arithmetic comparison
Virtualization - Answers Process by which one computer hosts the appearance of many computers
Open Source Software - Answers The source code of the program is available to the public
Closed Source Software - Answers Highly protected and only available to trusted employees and
carefully vetted contractors
Charms - Answers icons that slide in from the right of the display
Roaming - Answers Occurs when users move their activities, especially during long-running
transactions across devices
Push Data - Answers Server send to, or pushes onto the device
Pull data - Answers Data that the device requests from the server
Database - Answers Self-describing collection of integrated records
Volatile - Answers Contents are lost when power is off : Cache and main memory
Nonvolatile - Answers Contents survive when power is off : Magnetic and optical disks
Operating System - Answers Program that controls a computer
Unix - Answers Operating system that was developed at bell in the 1970's
Linux - Answers Version of Unix that was developed by the open source community
Firmware - Answers Computer software that is installed into devices such as printers, printer servers
and various types of communication devices
Open source - Answers Software that is created for free use by everyone
Source code - Answers computer code as written by humans and understandable by humans
Machine code - Answers Zeros and ones that represent simple instructions executed by a processor.
Cloud - Answers Elastic leasing of pooled computer resources over the internet
Mainframe - Answers Large-scale high-speed centralized computers
mainframe architecture - Answers supports connections between a central mainframe and numerous
thin-clients
computer terminal - Answers Combination of three components: a keyboard, a viewing screen, and
network connection
client/server architecture - Answers Allows clients to send requests across Internet to servers
scalable - Answers easily able to respond to incremental growth in demand
cloud computing architecture - Answers allows employees and customers to access organizational
data and applications located in the cloud
