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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