In programming, what is a string?

A. A cable connecting two computers

B. A sequence of letters, numbers, and symbols

C. A short code that prints a text message

D. A cord linking the computer hardware to the operating system

What type of device can be used to block unwanted traffic initiated from the internet and can also restrict internet access from an internal network?

Over the years, engineers have invented many networking technologies for LANs (local area networks). Many are still in use, and many of the very slow ones were abandoned long ago. The following is a sampling of LAN technologies and their bandwidths.

A network administrator wants to change the frequency of their wireless network to allow more channels that do not interfere with each other. Which of the following frequencies or protocols would accomplish this? 5 GHz 802.119 802.11b 2.4 GHz

Computer fraud perpetrators that modify programs during systems development, allowing access into the system that bypasses normal system controls are using a. a Trojan horse. b. the salami technique. c. superzapping. d. a trap door.

What is functional testing?

assume that grade is a variable whose value is a letter grade- - anyone of the following letters: 'A', 'B', 'C', 'D', 'E', 'F', 'W', 'I'.

blank affect your vision because your eye muscles are tired along with the rest of your body and is difficult to focus

A term for identifying the computer's operating system.

Which two statements give good definitions of financial credit

What component of a processor handles all logical comparisons and calculations inside the processor?