CHAPTER 1 Flashcards
(20 cards)
T/F Programmers wanted fewer, higher-level
instructions to generate more machine
instructions.
T
T/F radio , This theory predicted the existence of an
electromagnetic wave spreading with
the velocity of light
T
T/F In a circuit-switched network, a single physical connection is established between the two ends. The physical connection cannot beshared.
T
T/F In a packet-switched network, a message is divided into small bundles of data called packets. Every packet has the address of the computer where it should be routed
T
……………………refers to a high
speed Internet connection.
Broadband
T/F Broadband
connections make feasible the transfer
of large files, such as those containing
images, music, and video.
T
T/F Computers and other electronic devices within range of the hotspot communicate with the hotspot using radio waves.
T
…………….which refers to a linked network of information. nodes containing
hypertext
………….. is a program that allows a user to view Web pages and traverse hyperlinks between pages
Web browser
T/F These browsers enable Web surfers to
retrieve text, still images, movies, songs,
computer programs—in theory, anything
that can be digitized.
T
…………………..is a program that accepts a list of keywords from a user, searches a data- base of documents, and returns those documents most closely matching the specified keywords
search engine
T/F Web search engines are the most
powerful information retrieval devices
ever invented.
T
………………..refers to devices used in the creation, storage, manipulation, exchange, and dissemination of data, including text, sound, and images.
Information technology (IT)
T/F The cost of IT devices continues to fall
while their capabilities continue to
increase. As a result, people are making
greater use of IT in their everyday lives.
T
T/F The great power of email is that it allows anyone to send email to anyone else with an email address.
T
…………. is a computing aid in which a person performs arithmetic operations by sliding counters along rods, wires, or lines
abacus
…………………is the corporate descendant of Hollerith’s company.
International Business Machines (IBM)
T/F Cell phones, also known as mobile phones, allow telephone calls to be made over radio links.
T
………….computers enabled enterprises to centralize all of their data-processing applications in a single system.
Mainframe
