SED 514 Computer test



SED 514 Computer test

Which of the following is a true statement regarding operating systems?

Without an operating system, no programs can run

Operating systems are the same for all computers

Mac OS, Linux, Word and Windows are operating systems

Operating systems do not interface with peripheral devices

none of the above

Which of the following is/are tasks of the operating system?

allocates memory

processes tasks

accesses peripherals

serves as user interface

all of the above*

Which of the following requires the greatest bandwidth?

encyclopedia web sites

downloading files of historic speeches

streaming high definition video

internet phone service

online testing

Which of the following best describes a blog?

Slow data transfer rate

A web log on which students can journal on the Internet

A newer term for a computer bug

Streaming video signals

1,000,000 bbs transfer rate

Beta software …

is designated by a “b” in the version number (e.g. 1.3 b)

is released so users can test for errors

is a pre-release of software

may be unreliable

all of the above

Which of the following represents the largest amount of data?

megabyte

gigabyte

terabyte

kilobyte

byte

Which of the following graphics files would NOT appear pixilated (show blocky pixels) if enlarged?

jpg (joint photographers expert group)

vector graphics (created by Freehand, Illustrator, etc.)

gif (graphics interchange format)

bmp (raw bitmap format)

tiff

When information is uploaded it…

Is stored on a local hard drive

Sent to a host computer

Received from a host computer

Burned on a CD

Burned on a DVD

Clock speed is the rate at which a processor can complete processing cycles. How much faster is a 2.4 GHz Intel processor than a 1.8 GHz PowerPC processor?

Twice

Three times

One and a third

2.4 times

Can’t be determined simply by comparing clock speed

If the performance (speed) of your computer has dropped and you hear a lot of sputtering noises from your computer, it is likely that you need to:

Defragment your hard drive so files are no-longer broken in many pieces, but stored efficiently so they can be read more quickly

Replace your hard drive with one with a slower access time

Upgrade the CPU

Reinstall the operating system

Purchase a new monitor

When purchasing software for your school, you should invest in cross-platform software if:

You need the software to run on all Windows machines

You need the software to run on new and old Macs

Your student laboratory has Macs and PCs

Your students are unfamiliar with the operating system on your computers

None of the above

A school acceptable use policy (AUP) should include

a description of the instructional philosophies and strategies to be supported by Internet access in your school

a list of the responsibilities of educators, parents, and students for using the Internet

a code of conduct governing behavior on the Internet

a description of the consequences of violating the AUP

all of the above

Which of the following has the greatest need for encryption

Classroom policies posted on your website

PDF files of public domain books stored on your hard drive

Passwords for students to access their grades online

School bulletin downloaded from the school server

Seating chart stored on a CD

Wired and wireless communication have revolutionized research capabilities for teachers and students. Which of the following communication term pairs are not paired correctly?

Ethernet – Local Area network

Bluetooth - PDA and cell phone syncing

Wi-Fi - Wireless networks

IEEE 1394 – Infrared

802.11 - Wi-Fi

There is a lot of erroneous information on the Internet, and this can cause tremendous confusion, particularly as students perform research for reports. However, students should always be able to trust data from the following domain:

.com

.edu

.gov

.org

none of the above.

Which one of the following is incorrectly matched?

GIS – social studies or geography class

FAQ – online help for students

GUI - English class Shakespeare project

FTP - uploading grade reports to the school host computer

IRC – chat lines for tutoring students online

If students complain that your laboratory computers are too slow to operate software for your class, you might request that school technicians

increase RAM, add a DIMM, remove the hard drive

replace a 512 MB DIMM with a 1 GB DIMM

replace USB-2 ports with USB-1 ports

add a 56 baud modem

replace the 64 bit processor with a 32 bit processor

Which of the following would be classified as edutainment?

Microsoft Word, Excel, PowerPoint

EasyGrade Pro, Norton Utilities, Virex

AlgeBlaster, Oregon Trail, Discovery Channel

Dreamweaver, Fireworks, Flash

Publisher, Pagemaker, Quark

Many application programs (word processors, spreadsheets, databases) store data as text files. These ASCII (text) files are given the .txt extension. Why would a teacher be interested in saving files in this format?

To insure that students can read them, regardless of the software they have at home.

So students can share them with international pen-pals

To insure high resolution of embedded graphics

A & B

A & C

Most school and district networks have firewalls. Which of the following is not correct information about school firewalls?

A firewall is a security system intended to protect the school network against hackers.

Firewalls are software, hardware, or a combination of the two that prevents unrestricted access into or out of your school network.

A firewall may include a programmed router that blocks student access to potentially offensive websites

A firewall protects the network from spontaneous combustion

A firewall may prevent teacher access to common sites such as Yahoo.

Many schools encourage their students to save files on compact flash or secure digital cards (also known as CF cards, USB drives, jump drives, thumb drives, multi-media cards). Which of the following is NOT a reason for advising students to purchase such devices.

It is faster to store data on USB drives than on CDs

Problems with firewall interference with such devices are minimal or non-existent compared to problems associated with sending and receiving email attachments

They are cheaper than CDs

Students can quickly backup their data.

Most USB drives are large enough to store numerous files for many class assignments.

Extensions help users and software identify file types delivered via the Internet. Which of the following sets of extension is most commonly used in education.

.acf .add .adhd .pta .ap .nclb .u2

.jpg .mp4 .pdf .doc .xls .ppt .gif .txt

.adl .adm .arc .doc .ap .acf .jpl .jpg

.pdf .wks .lts .jph .kl .nop

all of these file types are commonly used in education

Students should be taught good netiquette, particularly when accessing

Email, newsgroups, web logs and chats

Application software

Hidden files

Keyboard shortcuts

None of the above.

Students should always be encouraged to save their work on two forms of secondary memory storage such as

RAM & ROM

EEPROM, cache

Hard drive, optical disc

USB drive, cache

RAM and hard drive

Which of the following is an example of analog, rather than digital data?

A scanned file of sheet music

A jpg file of showing famous authors

A Monet painting

A word processing file describing your schools athletic schedule

All of the above are digital

When ordering software for your school, it is important to check “system requirements”. Which one of the system requirements is mismatched?

Operating system / Mac OS 10.5; Windows XP SP2 or higher

Processor / Pentium 4, 3.2 GHz; or Power PC G5, 2.0 GHz

Graphics card / Power PC G5, 2.0 GHz or better

Hard drive / 30GB free

I/O ports / USB-2, Firewire

Campus networks are particularly prone to “infection” from malicious code and unwanted files that may decrease performance, fill hard drives, or corrupt files. All of the following fall into this category except:

Viruses, worms

Trojan horses

Spam, spyware

Worms, spyware

System files, startup files

Data/video projectors can be used to display graphics and text related to your curriculum. Which of the following would give the sharpest and brightest image, and therefore be the easiest for students to see?

DLP / 3200 lumens / 1024 x 768 pixels

LCD / 1300 lumens / 1024 x 768 pixels

LCD / 3000 lumens / 800 x 600 SVGA

DLP / 1500 lumens / 800 x 600 SVGA

LCD / 3200 lumens / 800 x 600 SVGA

Which of the following would allow students who were unable to attend school (for medical or distance reasons) to participate in real-time classroom discussions.

2-way asynchronous audio chat

asynchronous streaming video of the class

2-way synchronous video chat

asynchronous video chat

web logs

Which of the following should schools have to prevent damage to their computers or restore systems that have crashed?

virus scan / control panels / universal access

surge protector / spike protector / virus scan software / boot CD / password protected access /firewall

power strip / extra RAM / extra ROM / extra cache / boot CD

uninterruptible power supply / SCSI bus / Firewire / Firewall

Which of the following provides teachers may cause greatest frustration to a teacher who is trying to post his or her grades to the secure school website?

cable

100 Megabit/second dedicated line

56K dial-up

DSL

all of the above provide access at equal rates

vocabulary

.com

.doc

.edu

.gif

.gov

.jpg

.mil

.mp3

.mp4

.org

.pdf

.txt

.xls

32-bit, 64-bit processors

802.11

acceptable use policy

access time

analog

ASCII

asynchronous

bandwidth

baud

bbs

beta software

binary

block access

blog

Bluetooth

bmp

boot CD

bug

byte

cable

cache

CD

chat

clock speed

compact flash

CPU

cross-platform

data transfer rate

database

defragment

dial-up

digital

DIMM

DLP

download

DSL

DVD

edutainment

email

embedded graphics

Ethernet

Excel

FAQ

firewall

Firewire

FTP

GB

GHz

gif

gigabyte

GIS

graphics card

GUI

hacker

hard drive

hardware

hidden files

high definition video (HDV)

host

I/O port

IEEE1394

Intel

interface

Internet

IRC

keyboard shortcuts

kilobyte

LAN

LCD

Linux

lumen

Mac

Mac OS

megabit

megabyte

memory

modem

monitor

multimedia card

network

newsgroup

offline

online

operating systems

optical disc

password

pdf

Pentium

performance

peripheral devices

pixel

pixilated

PowerPC

PowerPoint

processing cycle

processor

program

RAM

ROM

secure digital card

software

spike

spreadsheet

spyware

streaming

surge protector

SVGA

synchronous

system files

terabyte

text file

tiff

Trojan horse

uninterruptible power supply

universal access

upload

USB

usb drive

video chat

virus

virus scan

weblog

Wi-Fi

Windows

wireless

Word

worm

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