NSC Information Technology Algorithm design: 1.1 Various options are provided

Question

1.1 Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D) next to the question numbers (1.1.1 to 1.1.5) in the ANSWER BOOK, e.g. 1.1.6 D.

1.1.1 A type of malware that is disguised as a useful program is known as a …
A. virus.
B. rootkit.
C. worm.
D. trojan horse.

1.1.2 Software that may be used for free but with a time and functionality limit:
A. EULA
B. Shareware
C. Proprietary software
D. Freeware

1.1.3 Which ONE is NOT a duty of a system analyst?
A. Analyses the software requirements of the client
B. Collaborates with the client and the programmer to develop a system
C. Creates a list of specifications for the software developer
D. Writes code for the software solution

1.1.4 What will be the value of iAnswer when the following statement is executed?
iAnswer := 2 + 5 * 7 div 2 - sqr(4);
A. 3
B. 8
C. 0
D. 1

1.1.5 Which formula is represented in the segment of code below?
for k := 2 to p do
begin
n := n * n;
end;
A. n^p
B. n^n
C. p^n
D. p^p

1.2 Give ONE word/term for EACH of the following descriptions. Write only the word/term next to the question numbers (1.2.1 to 1.2.8) in the ANSWER BOOK.

1.2.1 Part of the ROM where information with regard to the setup of the computer can be saved

1.2.2 Security based on the measurement and identification of unique physical characteristics of a person, e.g. fingerprints

1.2.3 Digital code, attached to an e-mail, used to identify and validate the sender of an electronic message

1.2.4 Software that allows the user to perform maintenance tasks on a computer

1.2.5 The method that is used in object-oriented programming to instantiate an object

1.2.6 The steps followed to prevent anomalies from occurring in a database

1.2.7 A tool used to identify logical errors by working through the program manually step by step and recording the result of each step in a table

1.2.8 Compressing data by losing some insignificant portions of the data

1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2018 - Paper 2

Worked Solution & Example Answer:1.1 Various options are provided as possible answers to the following questions - NSC Information Technology - Question 1 - 2018 - Paper 2

1.1.1 A type of malware that is disguised as a useful program is known as a …

1.1.2 Software that may be used for free but with a time and functionality limit:

1.1.3 Which ONE is NOT a duty of a system analyst?

1.1.4 What will be the value of iAnswer when the following statement is executed?

1.1.5 Which formula is represented in the segment of code below?