Information systems 1
Card Set Information
Information systems 1
Father of computing
Conceived the idea of a computer
What did the first computer concept consist of?
Main memory (store)
Arithmetical/Logical Unit (Mill) aka A.L.U
Name of the first computer?
The first computer was built in ______ by ______.
Was the ENIAC sold to the public?
List some characteristics of the 1st computer
Executed 5000 basic arithmetic operations per second
Companies weren't interested due to it's unreliability
The first computer built for resale was called the _______. It was built in _______ by ___________.
The era of 1st generation computers was _____- ______
The two parts of the CPU are the ____ _____ and the _____ _____ ______.
Arithmetic and Logic Unit (ALU)
What was the era of 2nd generation computers?
In 2nd generation computers what was the vacuum tube replaced by?
What was the era of 3rd generation computers?
1965 - 1970
In 3rd generation computers, what was the transistor replaced by?
What was the era of 4th generation computers?
1971 - present
In modern day computers, what is the significant cost for businesses?
The software (not the hardware)
Describe the relationship between cost and performance in modern computers.
There is constantly a tremendous decrease in price and increase in performance.
If the automotive industry pricing mirrored the computer industry how much would a Lexus cost today?
What is Moore's Law?
The number of transistors (integrated circuits) that can be packed into a chip will double every 18 months.
What will replace the silicon chip?
A communication network connects _____ ______ to one or more _______.
List some characteristics of the 4th generation computers.
Still using integrated circuits
Price decreasing/Performance increasing
Every business can afford
Communication Networks were developed
Multimedia Computers introduced
Data transmission is faster and faster
What is a Multimedia Computer?
Presents information in more than one medium including text, graphics, animation, video, music and voice.
What is expected in the next generation of computers?
Smaller/more powerful/more affordable/portable
Silicon chip will be replaced by nanotechnology
Improvement in Communications (connectivity/interactivity/multimedia)
The two major categories of Information Systems are _____ and ______.
What were 3 parts of the "Computing Revolution"
1. Many people per every one computer
2. One person to every computer
3. One person to many computers
What part of the "Computer Revolution" is the United States in?
The third (one person to many computers)
What are the 5 components that interact to make up COMPUTER INFORMATION SYSTEMS
The physical equipment used in Information Systems is the _______.
The _______ is the set of instructions that tell the computer how to perform a task. Also known as a ______.
Two categories of software are _____ programs that control the computer and _____ programs that are designed to solve particular processes.
___ are instructions for people on the use and operation of a business computer system
______ consists of raw facts and figures that can be processed into information
_____ is the knowledge derived from data
Good information is ________, _______ and
The people that operate the Computer Information System are referred to as ______ ______
A computer is a ___________ machine.
A computer accepts _____ data, then ______
this data and produces _____ data.
What are the 3 main components of a computer?
2. Input Devices
3. Output Devices
The ____ is where the computer performs all of it's processing and where the operations of all it's hardware components are controlled.
CPU (Central Processing Unit)
List the 5 types of computers in order of increasing cost and power.
In 1st generation computers, the power was supplied by ______ ______.
The 3 major drawbacks of 1st generation computers were that they were _____, they _____ _____ and were _______.
1st generation computers used _______ _______ to program.
True or False. 1st generation computers WERE NOT practical for private businesses.
In 2nd generation computers, how many programs could run at once?
2nd generation computers were used by large companies for _______ only.
3rd generation computers introduced the ability to _____-______.
The first ____ ________ was developed during the 3rd generation of computers.
The cost of 3rd generation computers was still over a _____ _____.
______ sized companies could afford 3rd generation computers for needs beyond _____.
3rd generation computers were ____, more _____ than 2nd generation computers and they could ____ _____.
Identifying data by one or more traits is called _______.
List the 4 steps of the CONTROL UNIT.
Program instructions are executed in the ___________ part of the CPU.
Arithmetic and Logic Unit (ALU)
The _____ ______ controls the machine cycle.
The control unit directs movement of _______
signals between memory and the ______.
The _______ is the brain of the computer that follows the instructions of the computer to turn data into _______.
Putting data into some logical order is called _____.
Performing arithmetic operations on data is called _______ .
________ is the term used for when intermediate results are kept for later use.
Transforming data into information is called _____.
The ________ includes the CPU along with with some circuitry on a silicon chip.
The ______ ______ holds program instructions and data during processing.
A ______ is the unit of measurement for one machine cycle every second.
are high speed storage areas that temporarily hold _______, ________, and ______ during processing.
_________ are electronic data roadways through which data is transmitted withing the CPU and between the CPU and other components of the computer.
All of the program instructions travel to get to the CPU via the ________ ____.
Main memory is made from _______.
Three main descriptions of RAM
used for the
of the computer
Where do computer programs need to be before they can be executed?
What are high speed storage areas that hold information during processes?
What do we call the lowest form of data in a computer's memory?
A gigabyte is equal to ______ _______ characters.
What are two components that determine a computer's power?
processing speed and size of memory
______ memory is non-volatile and can be erased as well as re-programmed.
_______ memory speeds up processing by storing instructions and data that the processor is using frequently.
Level 3 or L3/ cache memory
_______ memory is when some free hard disk space is used during processing to extend the capacity of RAM.
____ memory or _____ doesn't lose contents when power is turned off and is not easily reusable.
_____ chips allow you to load data only once.
Programs on ROM are called _________.
The ______ memory doesn't lose contents when power is turned off, can be reprogrammed and is powered by battery.
_____ cache or _____ cache is on the microprocessor.
_____ cache is located in the CPU.
The _______ system is used for data representation inside of memory with only the values of 0 and 1.
0 means electric current is turned _____ while 1 means electric current is turned _____.
A _______ represents one character of data in memory. It also used as the basic unit of measure for main memory and secondary storage.
A kilobyte is equal to ______ characters.
A megabyte is equal to _______ character.
A terabyte is equal to _______ characters.
For character to binary conversion, _______ is used in microcomputers.
For character to binary conversion, _______ is used in mainframe computers.
For character to binary conversion,_________ uses 2 bytes for each character and allows almost all written languages of the world to be represented using a single character set (or table).
The number one factory in determining computer speed is the ______ speed.
In Supercomputers the unit of measure for the CPU is called a _______.
FLOP stands for ________.
Floating point operations per second.
In Mainframes and Workstations, the unit of measure for the CPU is called _______.
MIPS stands for _______.
Millions of instructions per second.
In microcomputers, or PCs, the unit of measure for the CPU is the ______.
True or false? FLOPS, MIPS and hertz are a complete measure of a CPU's speed.
False, but hertz is better.
______ ______ is the amount of data (bits) that a CPU can process in a single step.
List 2 types of instruction sets.
_____ is the instruction set used in microcomputers and mainframes which used lots of instructions to complete a function.
_____ is the instruction set that is faster because it requires fewer instructions to perform a task.
______ refers to the ability of the processor to
the fetching, decoding, execution and storing.
A _________ boosts a computer's speed by taking over from the main processor (CPU) the performance of complex and timely operations.
co-processor (such as mpu or gpu)
_________ is when CPUs alternate communications between two or more memory banks. Normally only used in workstations, mainframes or supercomputers.
_______ provides the CPU(s) with additional data from
based on the likelihood that it will be used.
A ___________ processor has 2 or more processors on a single piece of silicon, which allows the OS to divide work over more than one processor .
_______ is when the OS treats the multicore processor like it is separate CPUs
The ___________ is the main circuit board in a computer that contains the CPU and at least part of the main memory.
____ _____ are circuit boards that provide more memory or control input and output devices.
The ____ _____ connects the CPU with expansion slots.
like a second hard drive you are ______ your computer.
When you change to a newer, more sophisticated version of your computer's components, such as a new microprocessor, you are _______ your computer.
A _______ bit is a 9th bit that is used by the computer to check for errors when data is re-entered for processing.
_____ _____ ____ are devices that permanently hold data and information as well as programs.
Secondary storage hardware
Things to consider when purchasing a PC
Speed of the CPU(s) (Hz)
Front Side Bus (Hz)
Word Size (BITs)
Size of the Main Memory (bytes)
Size and speed of the hard disk (GB)
Dots and speed of video display (dpi)