UBC COMM 205 - Exam A
Huang's Law-Correct answer-Huang's law is an observation in computer science and
engineering that advancements in graphics processing units are growing at a rate much
faster than with traditional central processing units.
Database-Correct answer-a collection of organized data that allows access, retrieval,
and use of data
Self desicribing - contains within itself
relational database model-Correct answer-a structured collection of data acces and
utilized by many different applications and users.
DBMS (Database Management System)-Correct answer-a product used for the storage
and organization of data that typically has defined formats and structures
Flat file database-Correct answer-One large single table; used if the amount of data that
is being recorded is fairly minimal
Field-Correct answer-A column in a database table.
record-Correct answer-A row in a database table.
Primary Key-Correct answer-A field (or group of fields) that uniquely identifies a given
entity in a table.
Atomic Key or Composite Key (2 or more)
tacit knowledge-Correct answer-strategies for success that are not explicitly taught but
that instead must be inferred
explicit knowledge-Correct answer-knowledge that is easily communicated and
available to everyone
Who are the people in IS?-Correct answer-Creators, Operators, Managers, Users
Creators-Correct answer-System Analysts, Programmers, Comp Engineers
Operators-Correct answer-Operations and Administrations - involved in the day to day
operations. Computer operator
,Capabilities of Information Systems-Correct answer-1. Perform high-speed, high-
volume computations
2. Provide fast, accurate communication and collaboration
3. Store huge amounts of information in a small space
4. Allow quick and inexpensive access to info, worldwide
5. Interpret vast amounts of data quickly and efficiently
6. Automate business processes and manual tasks
Generation 1 - Vacuum Tubes-Correct answer-late 1930s - mid 1950s
Large, fragile, complex and expensive
One program at a time
Housed at universites
Gen 2 - Transistors-Correct answer-Mid 1950s - Mid 1960s
First digital computing machiens used in businesses and government
Lower power required and less heat
Simpler and smaller.
IMB 650
Gen 3 - Integrated Circuits-Correct answer-Mid 1960s - Early 1970s
Silicon Chips
Smaller, faster, cheper
Keyboard input, monitor output
Gen 4 - Microprocessors-Correct answer-Early 1970s - Present
CPU
GUI
Mouse
Floppy dirve
Gen 5 - AI-Correct answer-Early 2000s - Present
Nanotechnology
Natural language input
Siri
Networking Personal Computers-Correct answer-1985-Present
-Critical to the rapid adoption of personal computers and rise of
social networks
Local Area Networks (LANs)
-linking many personal computers together
-shared access to data, printers, and other peripheral devices
Wide Area Networks (WANs)
-the Internet
-email
-web browsing
, Cloud Computing-Correct answer-the practice of using a network of remote servers
hosted on the Internet to store, manage, and process data, rather than a local server or
a personal computer.
Mobile Computing-Correct answer-A real-time connection between a mobile device and
other computing environments, such as the Internet or an intranet.
Hardware-Correct answer-The physical components of a computer.
Inputs --> Process --> Output
input hardware-Correct answer-Accept or capture data.
Direct:
keyboard, mouse, document scanner, bar code, microphones.
Indirect
Scanners, Digital Cameras, Biometric Systems
output hardware-Correct answer-Hardware that is used to create outputs, data flows out
of the hardware (speakers, printers, Screen projections etc.)
Bits-Correct answer-binary digits (0s and 1s)
Bytes-Correct answer-8 bits
In 1024 - mostly rounded down to 1000 for simplicity.
discrete values-Correct answer-only occur in whole numbers (integers)
Motherboard-Correct answer-A circuit board that contains all of the computer system's
main components.
What components must connect to the motherboard?-Correct answer-Socket for the
CPU (Microprocessor)
Primary Memory
Buses
Ports and Expansion Slots
buses (computer)-Correct answer-Data channles within the motherboard that move data
CPU (Central Processing Unit)-Correct answer-The internal operating unit or "brain" of a
computer.
Huang's Law-Correct answer-Huang's law is an observation in computer science and
engineering that advancements in graphics processing units are growing at a rate much
faster than with traditional central processing units.
Database-Correct answer-a collection of organized data that allows access, retrieval,
and use of data
Self desicribing - contains within itself
relational database model-Correct answer-a structured collection of data acces and
utilized by many different applications and users.
DBMS (Database Management System)-Correct answer-a product used for the storage
and organization of data that typically has defined formats and structures
Flat file database-Correct answer-One large single table; used if the amount of data that
is being recorded is fairly minimal
Field-Correct answer-A column in a database table.
record-Correct answer-A row in a database table.
Primary Key-Correct answer-A field (or group of fields) that uniquely identifies a given
entity in a table.
Atomic Key or Composite Key (2 or more)
tacit knowledge-Correct answer-strategies for success that are not explicitly taught but
that instead must be inferred
explicit knowledge-Correct answer-knowledge that is easily communicated and
available to everyone
Who are the people in IS?-Correct answer-Creators, Operators, Managers, Users
Creators-Correct answer-System Analysts, Programmers, Comp Engineers
Operators-Correct answer-Operations and Administrations - involved in the day to day
operations. Computer operator
,Capabilities of Information Systems-Correct answer-1. Perform high-speed, high-
volume computations
2. Provide fast, accurate communication and collaboration
3. Store huge amounts of information in a small space
4. Allow quick and inexpensive access to info, worldwide
5. Interpret vast amounts of data quickly and efficiently
6. Automate business processes and manual tasks
Generation 1 - Vacuum Tubes-Correct answer-late 1930s - mid 1950s
Large, fragile, complex and expensive
One program at a time
Housed at universites
Gen 2 - Transistors-Correct answer-Mid 1950s - Mid 1960s
First digital computing machiens used in businesses and government
Lower power required and less heat
Simpler and smaller.
IMB 650
Gen 3 - Integrated Circuits-Correct answer-Mid 1960s - Early 1970s
Silicon Chips
Smaller, faster, cheper
Keyboard input, monitor output
Gen 4 - Microprocessors-Correct answer-Early 1970s - Present
CPU
GUI
Mouse
Floppy dirve
Gen 5 - AI-Correct answer-Early 2000s - Present
Nanotechnology
Natural language input
Siri
Networking Personal Computers-Correct answer-1985-Present
-Critical to the rapid adoption of personal computers and rise of
social networks
Local Area Networks (LANs)
-linking many personal computers together
-shared access to data, printers, and other peripheral devices
Wide Area Networks (WANs)
-the Internet
-web browsing
, Cloud Computing-Correct answer-the practice of using a network of remote servers
hosted on the Internet to store, manage, and process data, rather than a local server or
a personal computer.
Mobile Computing-Correct answer-A real-time connection between a mobile device and
other computing environments, such as the Internet or an intranet.
Hardware-Correct answer-The physical components of a computer.
Inputs --> Process --> Output
input hardware-Correct answer-Accept or capture data.
Direct:
keyboard, mouse, document scanner, bar code, microphones.
Indirect
Scanners, Digital Cameras, Biometric Systems
output hardware-Correct answer-Hardware that is used to create outputs, data flows out
of the hardware (speakers, printers, Screen projections etc.)
Bits-Correct answer-binary digits (0s and 1s)
Bytes-Correct answer-8 bits
In 1024 - mostly rounded down to 1000 for simplicity.
discrete values-Correct answer-only occur in whole numbers (integers)
Motherboard-Correct answer-A circuit board that contains all of the computer system's
main components.
What components must connect to the motherboard?-Correct answer-Socket for the
CPU (Microprocessor)
Primary Memory
Buses
Ports and Expansion Slots
buses (computer)-Correct answer-Data channles within the motherboard that move data
CPU (Central Processing Unit)-Correct answer-The internal operating unit or "brain" of a
computer.
