Intro Informatics Exam 1

One advantage of using removable storage media is transportability.

True

Optical zoom specifications reflect how much the camera can zoom without losing image quality.

True

______________________ are locations on the motherboard into which expansion cards can be inserted to connect those cards to the motherboard.

Expansion Slots

In addition to a keyboard, most computers today are used in conjunction with some type of pointing device.

True

The _____________________ is the section of a CPU core that performs arithmetic involving integers and logical operations.

ALU

Fifth-generation computers are most commonly defined as those that are based on _______________ , allowing them to think, reason, and learn.

Artificial intelligence

Smart cards are used to transport large amounts of data from one PC to another.

False

A rewritable optical storage medium.

CD+RW

_________________- technically an input or output operation, depending on which direction the information is going - is often considered the fifth primary computer operation.

Communications

ISP servers are continually connected to a larger network, called a regional network, which, in turn, is connected to one of the major high-speed networks within a country, called a(n) ________________ network.

Computer

The __________________ directs the flow of electronic traffic within the core, much like a traffic cop controls the flow of vehicles on a roadway.

Control Unit

A(n) __________________ uses a printhead consisting of pins that strike an inked ribbon to transfer the ink to the paper.

Dot-matrix printer

CRT monitors use digital signals to display images, which allows for sharper images.

False

Hard drives store data optically, with lasers.

False

What are the four general operations of a machine cycle?

Fetch Decode Execute Store

Define the four primary operations of a computer. Please give the name of each of the four and a brief definition.

Input devices: used to input data into the computer: keyboards, mice, scanners, etc Processing devices: includes the central processing unit, which performs calculations and controls the computer's operation Output devices: present results to the user Storage devices: used to store data on or access data from storage media Communication devices: allow users to communicate with others and to electronically access remote information

Jamie is interested in pursuing some aspect of computer technology as a career. He is very comfortable working with PCs and has a broad knowledge of the typical systems and applications software that people use. He has always enjoyed working closely with people and has a good facility for explaining how technical systems work. Jamie's mother is a computer programmer and would like Jamie to follow in her footsteps. What course would she most likely suggest that Jamie take in college?

Java

HTML is a(n) _______________ or scripting language.

Markup

A _________________ typically rests on the desk or other flat surface close to the user's computer, and it is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen.

Mouse

___________________ input data from special forms to score or tally exams, questionnaires, ballots, and so forth.

Optical mark reader (OMRs)

A burned or darkened area on an optical disc.

Pit

Most computers today support the ______________ standard, which means the computer automatically configures new devices as soon as they are installed and the computer is powered up.

Plug and Play

________________ are the connectors located on the exterior of a system unit that are used to connect external hardware devices.

Ports

Define ROM (read-only) memory. What is one important difference between ROM and RAM (random access memory)?

ROM (read-only memory) consists of non-volatile chips located on the motherboard into which data or programs have been permanently stored. Retrieved by the computer when needed Being replaced with flash memory RAM is volatile where ROM us non-volatile

A(n) _____________ card is an example of one type of flash memory media.

SD

With a(n) _______________, storage devices that are located in a separate network are attached to the main network to provide storage capabilities for the network.

Storage Area Network

To synchronize all of a computer's operations, a _________________, which is located on the motherboard, is used.

System Clock

CDs store data on a single, spiral track.

True

Disk caching can improve performance.

True

The graphics tablet is typically connected to a computer via a USB port.

True

A port often used to connect flash drives and external hard drives

USB

________________ are growing in importance as an increasing number of computers and mobile devices are including only USB ports and not many of them.

USB Hubs

One trend involving servers is _____________, which means creating virtual (rather than actual) versions of a computing resource.

Virtualization

The World Wide Web refers to an enormous collection of documents called _____________ which are available through the Internet.

Web pages

Keyboards can be built into a device, attached by inserting the keyboard's wired cable or _______________ into a USB port, or connected via a wireless networking connection such as Bluetooth.

Wireless receiver

Sarah is a busy real estate agent with a growing clientele. She is looking to purchase a new computer and software so that she can keep track of her client's accounts, access the Internet from anywhere in the city, and touch up photos of real estate properties. Sarah has hired a programmer to create a Web page for her business. What type of programming language will the programmer most likely use?

XHTML

Describe the common features and uses of portable scanners.

You can capture digital copies of documents on the go Send a file through email Files saved for the future Easier organization Also easy to edit images/documents