When does the output of a NAND gate =1?
whenever a 0 is present at an input
only when all input =0
whenever 1 is present at an input
only when all input =1
Correct answer is A
Whenever a 0 is present at an input, NAND gate =0
A word processor can be used to
write text
edit text
print text
all of these
Correct answer is D
No explanation has been provided for this answer.
In order to avoid damages caused by security breaches, the user must?
configure firewall
encourage piracy
install cracked software
promote cyber crime
Correct answer is A
No explanation has been provided for this answer.
Viruses, worms and trojan horses are all?
application software
malicious software
robust software
system software
Correct answer is B
No explanation has been provided for this answer.