(a) What is: (i) an array; (ii) a syntax error?

(b) Write QBASIC program that will input multiples of Three between 1 and 20 into a one-dimensional array and display the output on the screen.

(c) Convert D5FA,, to binary.

(a) Define logic gate.

(b) Give one example each of: (i) standard logic gate; (ii) alternative logic gate.

(c) Using P and Q as inputs and R as output:

(i) draw the logic symbol for an XOR logic gate: (ii) construct the truth table for XOR logic gate.

(d) List two uses of a logic gate.

(a)i) What is booting?

(i) State two differences between the types of booting.

(b) What is peripheral?

(c) Give one example each of (i) input device; (ii) output device; (iii) storage devices (iv) a component found inside the system unit.

1(a) The table below shows the scores of six students in computer studies at Top Hill High School. Use the font Times New Roman with size 12 pt in spreadsheet application to prepare the information given in the table.

Insert b:

(i) new column with the heading "Name" between the first and second columns;

(ii) title "Students' Scores in Computer Studies" above the table.

(c) Beginning from the first cell under column heading "Name" to the sixth cell, type the following: Adedigba Eze, Balango Ngozi, Agbelero Cynthia, Okeowo Sulkite, Okonia Ifedola, and Umaru Edonk.

(d) If "W/score" stands for weighted score, calculate:

(i) weighted score for each term given that weighted score comprises 20%, 30%, and 50% of raw scores for first, second, and third terms respectively;

(ii) total weighted score for the three terms.

(e) Insert your full name and index number as a footer.

(f) Save with your index number in the folder created.

(g) Print and submit to the supervisor

You have been tasked to give a presentation to an audience on the topic "Computer Networks".

Use the 2 layout below to create slides using Microsoft PowerPoint.

(a) SLIDE 1

LOCAL AREA NETWORK

A computer network located on user's premises

A network in which a set of devices are connected together for communication

SLIDE 2

WIDE AREA NETWORK

A network of geographically dispersed telecommunication devices

The network may be private or public-shared.

SLIDE 3

ADVANTAGES OF NETWORKS

(i) Resource sharing (ii) Enhanced connectivity (ii) Enhanced communication

SLIDE 4

DISADVANTAGES OF NETWORKS

(i) Security concerns (ii) Virus attacks (iii) Network failure

(b)

INSTRUCTIONS:

(i) The font size of the heading should be 36pt and bold, font style Calibri.

(ii) The font size of the text in the body should be 32pt, font style Calibri.

(iii) Apply bullet numbering where necessary.

(iv) Format the slides using any background of your choice

(v) Insert your full name and index number as footer.

(vi) Save your work as Networks and print all the sides on a single sheet.

(vii) Submit the printout to the supervisor.