Choose whether the following are True or False. Only write down the

number of each question and either TRUE or FALSE.

$1.$ It is possible for a virus to damage hardware.

$2.$ Encryption is a technique for scrambling data.

$3.$ E$-$mail attachments can carry viruses.

$4.$ RAM retains its contents when the computer is switched off.

$5.$ A compiler translates machine code into a high level language.

$6.$ A Decision Support System is any software tool used by managers to

make business decisions.

$7.$ DBMS software is designed so that a user can be given access rights

to a limited section of the database, but restricted from changing the

data.

$8.$ When you design a relational database, you have to design the tables

and the relations between them.

$9.$ A co$-$axial cable consists of two copper wires twisted around each other.

$10.$ You should use a numeric data type to hold a date in a database.

$11.$ ADSL transmits digital data over ordinary telephone lines.

$12.$ ISDN is an analogue link.

$13.$ Computer software can copy the way human intelligence works.

$14.$ Sequential access is slower than random access.

$15.$ The DBA is concerned with database access and integrity control.

$16.$ There are no secure methods of transferring data across the Internet.

$17.$ A database that follows the rules for optimum design is fully normalised.

$18.$ A firewall is software that protects against attacks on a network