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CIS 1301 Review Chs. 1-3
CIS 1301; Review for Chapter 1-3 for the book Tomorrow's Technology and You (Edition 9)
63
Computer Science
Undergraduate 1
09/27/2009

Additional Computer Science Flashcards

 


 

Cards

Term
What is the primary reason that today's computers are general-purpose tools, not specialized devices?
Definition
Software programs
Term
What type of computer is being used when a bank teller uses a keyboard and a screen that most likely does not have processing power at that location?
Definition
Terminal
Term
What is a computer that provides software and other resources to multiple computers over a network?
Definition
Server
Term
Which came first, the World Wide Web (WWW) or the Internet?
Definition
The Internet was created in the 1960s, and the WWW was created in the 1990s.
Term
When travel agents throughout the country can make reservations using the same mainframe computer with the same information at the same time, what technique are they using?
Definition
Timesharing
Term
Before microcomputers (PCs) because the norm, most information processing took place on what type of computers?
Definition
Mainframe
Term
What type of computer is generally used for power users that perform calculation intensive work such as simulations and animations?
Definition
Supercomputer
Term
Which of the following is NOT true about laptop computers?
Definition
They cannot be connected to a PC.
Term
What is another name for the silicon chip?
Definition
Integrated circuit
Term

Which of the following is NOT a guideline for making ethical decisions regarding technology?

 

-Think Scenarios

- Remember the Golden Rule

-It's okay if it's legal

-Know the rules and the laws

Definition
It's okay if it's legal.
Term

A paradigm shift occurred when we went from the industrial age to the information age.

 

True or False?

Definition
True
Term

Handheld computers cannot share information with laptop or desktop computers.

 

True or False?

Definition
False
Term

Firmware is a program that has been physically etched onto a chip.

 

True or False?

Definition
Term

Moore's Law, which predicts that the power of the CPU will double about every 18 months, used to be accurate but is no longer valid.

 

True or False?

Definition
False
Term

The digital divide describes the difference between information technology "haves" and "have nots."

 

True or False?

Definition
True
Term

Artificial intelligence is the branch of computer science that explores the use of computers in tasks such as speech recognition.

 

True or False?

Definition
True
Term

A spreadsheet is an example of an application program.

 

True or False?

Definition
True
Term

One social implication of computer technology is that it will eliminate privacy problems.

 

True or False?

Definition
False
Term

The use of biodigital technology allows people to use computer chips to overcome disabilities.

 

True or False?

Definition
True
Term

A microprocessor contains all the transistors needed to perform processing in modern computers.

 

True or False?

Definition
False
Term
Mainframe
Definition
computer used by large organizations
Term

PDA 

(Personal Digital Assistant)

Definition
handheld computer  
Term
Server 
Definition
A computer especially designed to provide software and other resources to other computers over a network.
Term
Supercomputer
Definition
fastest, most powerful computer  
Term
Terminal 
Definition
just a monitor and keyboard  
Term
Workstation
Definition
A high-end desktop computer with massive computing power, though less expensive than a minicomputer. Workstations are the most powerful of the desktop computers.
Term
Transistor
Definition
An electronic device that performs the same function as the vacuum tube by transferring electricity across a tiny resistor.
Term
Microprocessor
Definition
a single silicon chip containing all of a computer's computational components
Term
Silicon Valley
Definition
nickname for California's San Jose area that is home to many manufacturing companies
Term
Personal Computer or PC
Definition
A small, powerful, relatively low-cost microcomputer.
Term
Moore's Law
Definition
The prediction made in 1965 by Gordon Moore that the power of a silicon chip of the same price would double about every 18 months for at least two decades.
Term
Embedded System
Definition
A computer that is embedded into a consumer product, such as a wristwatch or game machine, to enhance those products. Also used to control hardware devices.
Term
Firmware
Definition
A program, usually for special-purpose computers, stored on a ROM chip so it cannot be altered.
Term
Desktop Computer
Definition
A personal computer designed to be set up on a desk or table and used in that place for an extended period of time.
Term
Laptop or Notebook Computers
Definition
A flat-screen, battery-powered portable computer that you can rest on your lap.
Term
Peripherals
Definition
An external device, such as a keyboard or monitor, connected via cables to the system central processing unit.
Term
Networks
Definition
A computer system that links two or more computers.
Term
Internet
Definition
A global interconnected network of thousands of networks linking academic, research, government, and commercial institutions, and other organizations and individuals. Also known as the Net.
Term
World Wide Web
Definition
Part of the Internet, a collec tion of multimedia documents created by organizations and users world wide. Documents are linked in a hypertext Web that allows users to explore them with simple mouse clicks.
Term
Browsers
Definition
programs that serve as navigable windows into the Web.
Term
Hypertext Links
Definition
A Web connection to another document or site, like the many that loosely tie together millions of Web pages.
Term
Application Programs or Applications
Definition
are the software tools that transforms general-purpose computers into special-purpose tools useful for meeting particular needs.
Term
Input Devices
Definition
accept input from the outside world
Term
Output Devices
Definition
send information to the outside world.
Term

Microprocessor

also known as the processor or the central processing unit (CPU)

Definition

the computer's "brain".  

The  ___ processes information, performs arithmetic calculations and makes basic decisions by comparing information values.

Term
Information is Digital
Definition
meaning it can be made up of countable units, digits, so it can be subdivided.
Term
Bit, or Binary Digit
Definition
smallest unit of information a computer can process.  Can have two values: 0 or 1.
Term
Byte
Definition
A logical group of eight bits, also referred to as an octet.
Term
Binary Number System
Definition
a system that denotes all numbers with combinations of two digits.
Term
Unicode
Definition
a coding scheme that supports more than 100,000 unique characters
Term

Kilobyte (KB)

 

Megabyte (MB)

 

Gigabyte (GB)

 

Terabyte (TB)

 

Petabyte (PB)

 

Definition

-1,000 bytes of information

 

-1,000 KB or 1 million bytes of information

 

-1,000 MB or 1 billion bytes of information

 

-1 million MB or 1 trillion bytes of information

 

-1,024 TB or 1 quadrillion bytes of information

Term
Motherboard
Definition
The circuit board that contains a computer's CPU
Term
Backwards Compatible
Definition
Able to run software written for older CPUs. Also, when referring to a software program, able to read and write files compatible with older versions of the program.
Term
Clock
Definition
The timing device that produces electrical pulses to synchronize the computer's operations.
Term
Gigahertz (GHz)
Definition
units in which a computer's clock speed is measured.
Term
Architecture of the processor
Definition
the design that determines how individual components of the CPU are put together on the chip.
Term
Multicore Processors
Definition
putting multiple CPU's, which run simultaneously, on a single chip
Term

ROM

or read-only-memory

Definition
computer can only read information from it; it can never write any new information on it.
Term

CMOS

(complementary metal-oxide semiconductor)

Definition
special low-energy kind of RAM that can store small amounts of data for long period of time on battery power.
Term
RAM or random-access-memory
Definition
store programs instructions and data temporarily
Term
Buses
Definition
Group of wires on a circuit board in which information travels through.
Term
Bays
Definition
open areas in the system box for disk drives and other devices
Term
External Buses
Definition
designed to transmit data back and forth between computers and peripherals.
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