ICT Quick Quiz

Get a glance of Anson's brutality. Answer below and see how you do.

Which of the following statements about the 9-bit two's complement representation is/are correct? Unit A

(1) The decimal number +256 cannot be represented, as the representation has already been taken by the decimal number −256.
(2) The range of decimal numbers that can be represented is from −256 to +255.
(3) The operation 1 1100 0110 − 1 0011 1000 (both numbers in 9-bit two's complement representation) results in an overflow error.

A. (1) only

B. (2) only

C. (3) only

D. (1), (2) and (3)

A TV at home has the following three ports. High Definition (HD) videos will be output to the TV. Which of the following ports should be used? Unit B

(1) HDMI
(2) DisplayPort
(3) DVI

A. (1) and (2) only

B. (1) and (3) only

C. (2) and (3) only

D. (1), (2) and (3)

A projector in a lecture hall has the following three ports. High Definition (HD) videos will be output to the projector. Which of the following ports should be used? Unit B

(1) HDMI
(2) DisplayPort
(3) DVI

A. (1) and (2) only

B. (1) and (3) only

C. (2) and (3) only

D. (1), (2) and (3)

Which of the following statements about the Domain Name System (DNS) are correct? Unit C

(1) DNS servers cannot translate apex domains (i.e., domain names without hostnames, e.g., microsoft.com; hkeaa.edu.hk) into IP addresses.
(2) A single domain name can be translated into multiple IP addresses.
(3) Multiple domain names can be translated into a single IP address.

A. (1) only

B. (2) only

C. (2) and (3) only

D. (1), (2) and (3)

NUM is an integer array with n values. What is the purpose of the following algorithm? Unit D

INPUT T, i
a ← n + 1
WHILE (NUM[a - 1] is not empty) AND (a <= n) DO
    NUM[a] ← NUM[a-1]
    a ← a + 1
NUM[i] ← T

A. To insert T into NUM in index i.

B. To insert i into NUM in index T.

C. To remove NUM[T] and store it in i.

D. To remove NUM[i] and store it in T.

After searching for pet adoption, Haydon receives many advertisements from adoption centres. Which of the following may cause this issue? Unit E

(1) Browsers have collected big data from browsing and search history.
(2) AI has analysed his browsing patterns and recommended relevant advertisements.
(3) He has used VPN to browse the Internet anonymously.

A. (1) and (2) only

B. (1) and (3) only

C. (2) and (3) only

D. (1), (2) and (3)

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ICT Quick Quiz

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