The oldest form of information technology is
A recording
A precise, systematic method for producing a specified result is a
algorithm
Which metaphor features file cabinets and wastebaskets as typical components
Desktop metaphor
The mouse was invented by
Douglas Engelbart and others at Stanford Research Institute
A WANis to TCP/IP as LAN is to
Ethernet
Which of the following represents the correct order, from largest to smallest
Internet, WWW, LAN
The vary last part of a URL is the
pathname
Which of the following lines is properly nested?
<p><i><b>Happy New Year!</b></i></p>
(T/F) Most information available at the library is also available online
False
(T/F) It is not advisable to perform a site search to find information
False
(T/F) No one organizes the information posted on the Web
True
(T/F) The query processor looks up tokens or search terms in the index
true
(T/F) When a basic query with multiple words is performed, the pages returned by
the query contains one or more of the search words
True
A weakness of Wikipedia is that
the content is not validated by experts
Identify a method used to find authoritative information
Choose information from respected organizations
In a search engine, the index is built by the
Crawler
The order in which "hits" are returned to a page is determined by
Page Rank
How many digits are in the hexadecimal system
16
The term that represents one billion bytes is
Gigabyte (GB)
The binary number 101 represents the decimal number
5
Which search technique will help avoid over constraining
Begin with inclusive search and add one word at a time
, (T/F) Higher bandwidth usually means higher latency
False
(T/F) Each pixel on a computer display is formed from three colored lights: red,
yellow, and blue
False
(T/F) RGB, the name for a color encoding method, is an acronym for red, green,
blue
True
(T/F) All colors with equal intensities of the RGB subpixels are always some
shade of grey
True
(T/F) Digitizing a sound wave requires that the analog wave be converted to bits
True
Haptic Devices
are input/output technology for interacting with our sense of tough and feel
The decimal number is 174 is equivalent to the binary number
1010 1110
Which statement is incorrect?
OCR systems can easily interpret words created by reCaptcha
Using a scanned black and white photo, suppose the subpixels of one pixel had
values of 195. If the image's pixels should all be nearer intense white keeping
their relative relationships, the subpixels of the given pixel could be changed to
values of:
212, 212, 212
(T/F) Rerunning a program with the same data produces exactly the same result
every time
True
(T/F) The Fetch/Execute Cycle consists of 4 steps
False
(T/F) The ADD instruction adds the values, not the address numbers of the
memory location
True
(T/F) A passage is the path in a semiconductor where electricity travels
False
How many instructions do computers know?
a few
In the Fetch/Execute Cycle, the action of retrieving the instruction's operands
from memory occurs during the
Instruction Fetch (IF) step
The peripheral used by the computer for both input and output is the
keyboard
In the Fetch/Execute Cycle, the action of retrieving a machine instruction from the
memory address given by the program counter occurs during the
Data Fetch (DF) step
In the Fetch/Execute Cycle, the action of determining which operation is to be
performed and computing the addresses of he operands occurs during the