Quarter 3 cup. 1-8 digital lit.

the chapter will help you

- define what a computer is, describing the parts of a computer system, recognizing the convergence of computers -identify uses and careers -Define information technology and the information processing cycle

categories of computers

-analog computers? is there such a thing? performs calculations -digital computers- uses symbols and codes to represent data -computers for communicating

preparing for computing careers

-analytical subjects -associates degree with CS or IT focus -bachelor degree in computer science -engineering computer design -professional certification (instead of a college degree)

what does a computer do?

-assembles -processes -and stores data

by size

-large: supercomputer, mainframe, server -mid-sized: personal, workstation, desktop, laptop -mobile: smartphone, digital audio player, PDA (became part of the smartphone)

convergent devices

-smartphones -digital cameras -GPS

types of computers

-supercomputer (custom made for a particular use, can do calculations really quickly) -desktop - laptop -tablet PC -smartphones -Netbook

by operating system and manufacturer

-windows or linux- based personal computers (sometimes known as PC, but not true) -macintosh computers (not known as PCs but they are) -iOS devices -android devices - chrome OS devices

-terabytes=

1 trillion

Mac ended in

2003

processors are ___ bit or ____ bit

32, 64

temporary storage of data and info in

RAM

engineers write software programs, either for sale to people like you and me or for internal use in a company. (bad pay, work is overseas so the cost is lowered). College degree is needed.

Software engineering (SE)

According to the Chapter 1 podcast, a personal computer consists of four main components: a CPU, a _____, a keyboard, and mouse. a. monitor b. motherboard c. power supply d. hard drive

a

Which of the following fields involve the writing of software programs? a. software engineering b. information systems c. information technology d. All of the above

a

Which of the following is an example of ubiquitous computing? a. homes with sensors that read your body's temperature and automatically adjust the heat b. people using computers both at work and at home c. use of computers for entertainment rather than to accomplish a task d. using an e-book reader

a

____ is the study, design, development, implementation, support, or management of computer-based information systems, particularly software applications and computer hardware. a. Information technology b. Computer science c. Information systems d. Software engineering

a

gigahertz

a billion cycles per second

Main circuit board

aka mother board

laptop

also known as a notebook computer, weigh around 15 pounds, others weigh five

the definition of a computer

an electronic progammable device

tablet PCs

appeared around 2002, weigh about three pounds

Punch cards and floppy disks are a. the processors for early analog computers. b. early examples of permanent storage media. c. failed attempts to find a medium for storing output. d. the precursors to RAM.

b

What are the two basic types of RAM? a. temporary and permanent b. dynamic and static c. random access and sequential access d. digital and analog

b

Which of the following would be an example of an analog computing device? a. a desktop PC with a dial-up connection to the Internet b. a speedometer on a 1957 Chevy c. a netbook computer d. a Table PC

b

-gigabytes=

billions

A gigabyte is approximately 1 _____ bytes. a. million b. thousand c. billion d. trillion

c

A(n) ____ professional considers who needs what data to get work done and how it can be delivered most efficiently. a. computer engineering b. software engineering c. information systems d. information technology

c

About how much does a netbook weigh? a. between eight ounces and one pound b. less than one pound c. two to three pounds d. four to five pounds

c

According to Chapter 1, mainframe computers are typically used as a. permanent storage devices. b. backup devices. c. servers. d. beta-testing machines.

c

According to Chapter 1, the market for tablets is a. shrinking. b. limited. c. growing. d. static.

c

Chapter 1 mentions two broad groups of computers you would see in an office superstore. What are they? a. Windows-based and Linux-based b. PCs and servers c. PCs and Macintoshes d. laptops and desktops

c

People working in this field may design software, solve problems such as security threats, or come up with better ways of handling data storage. a. information technology b. information systems c. computer science d. software engineering

c

While it is processing data, where does a computer temporarily store both the data and the instructions from the CPU? a. on the internal hard drive b. on an external flash memory device c. in random access memory (RAM) d. on an external storage device, such as a DVD drive

c

Workers in this field make sure the technology infrastructure is in place to support users. This may include setting up a network or making hardware and software recommendations. a. software engineering b. information systems c. information technology d. computer science

c

____ involves the study of computer hardware and software systems and programming how devices interface with each other. a. Information technology b. Software engineering c. Computer engineering d. Information systems

c

____ is what you put into a computer; ____ is what you get out of it. a. Information; data b. Information; output c. Data; information d. Throughput; output

c

every device has a level of

cache

John Von Newman

came up with a design of a computer

convergence devices

cellphone, digital camera

microprocessors contained on

chips

hard drive

common long term storage

CAT

computer assisted translation

computer engineering (CE) involves studying computer hardware and software systems and programming how devices interface with each other

computer engineering (CE)

ubiquitous computing

computers are everywhere

computer clusters

computers joined together, used by the film industry

As illustrated in the Activity 1.2.1 Flash movie, the two parts of a computer's CPU chip are the a. circuit board and the memory cache. b. memory cache and the ALU. c. volatile memory and the permanent memory. d. ALU and the control unit.

d

CPUs are made up of integrated electronic circuits called a. ALUs. b. flash drives. c. cache memory modules. d. microprocessors.

d

In the Chapter 1 podcast what type of device is referred to as a very personal computer or VPC? a. netbook b. desktop c. laptop d. smart phone

d

Which of the following is an example of a convergence device? a. GPS system b. iPhone c. cell phone d. All of the above

d

netbook

designed for those who want to browse the internet or recieve email, screens range from eight to ten inches, weigh two to three pounds

Due to advances in document-storage technologies, the dream of a paperless office is close to becoming a reality.

false

a tablet computer can do trillions of calculations per second and is made for a particular use

false

basic storage unit

file

-cache memory holds

frequently used data

processor speed measured in

hertz

they are measured by the speed at which they process data and in _____ or cycles of currents per second

hertz

like to design systems for solving business problems

information systems (IS)

ensure there's a technological infrastructure in place to support users. They set up hardware and software and solve computer-related user issues. (Don't need a college degree but good certification)

information technology (IT)

what is not true of a digital computer?

it can transmit sounds through the internet

An analog computer uses ____ operations to perform calculations.

mechanical

accept programming instructions that tell them what to do with the data they receive

microprocessors

places to get a certification

microsoft: MCTS and more Vmware: VCP Cisco: CCNA CompTIA: A+ and Nework+ Apple: ACSP (not recommended as opposed to Microsoft, not as much money)

-megabytes=

millions

ALU

processes data

computer clusters joined together by custom designed connections

render farms

petaflop

represents a thousand trillion floating point operations

the number of pixels (picture elements or dots of color) used to generate an image on your screen

resolution

hard disk, SSD, DVD, USB and external drive

storage devices

cloud storage

storing information on the web. ex.) skydrive

clamshells

tablets with keyboards that look like a laptop

technological convergence

take on other devices functions

smartphones are mostly used for...

taking pictures, play games, access the internet and playing music

in early 2010...

the Apple iPad replaced tablet PCs

computing power

the amount of data that can be processed and the speed at which it is processed (supercomputers are good for this)

Lightning port

the wire on an iPad for inputing data

what happened after?

they picked up IOSX

-kilobytes=

thousands

The Activity 1.2.1 Flash movie includes a digital camera among the devices that can input data into a computer.

true

15% of americans

use as many as four devices

63% of americans...

use two kinds of computers

why back it up?

virus damage (files deleted) hardware failure (hard drive, SSD) software failure such as operating systems human error (you accidently delete a file) some jobs require that backups be kept

desktop computer

whose CPU (central processing unit) is housed in tower configuration or in a monitor

by 2014, a billion people...

will have smartphones

who developed Android?

Android was developed by Google

involves designing software, solving computer security problems and improving on methods of data storage

Computer Science (CS)