Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
Which one of the following statements is true for the voltage in a parallel RC circuit?
Options: The voltage always has the same amplitude and phase for every part of the circuit, The total voltage is equal to the sum of the voltages across the resistance and capacitance, The total voltage leads the total current by less than 90 degree, The total voltage is less than the sum of the voltages across the resistance and capacitance
Which of the following would be good reasons to run NAT? You need to connect to the Internet and your hosts don't have globally unique IP addresses. You change to a new ISP that requires you to renumber your network. You don't want any hosts connecting to the Internet. You require two intranets with duplicate addresses to merge.
Options: 1, 2 and 4, 2 and 4, 3 only, All of the above
Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
What is the difference between mnemonic codes and machine codes?
Options: There is no difference., Machine codes are in binary, mnemonic codes are in shorthand English., Machine codes are in shorthand English, mnemonic codes are in binary., Machine codes are in shorthand English, mnemonic codes are a high-level language.
Options: a program that places programs into memory and prepares them for execution, a program that automate the translation of assembly language into machine language, is a program that appears to execute a source program as if it were machine language, program that accepts a program written in a high level language and produces an object program
. How can you apply exactly the same formatting you did to another text?
Options: a. Copy the text and paste in new location. Then type the new text again.
b. Copy the text and click on Paste Special tool on new place
c. Select the text then click on Format Painter and select the new text
d. All of above