1

(a) Using a word processor, typeset the following pas sage with 12 point Tahoma font: Elements of Data Processing.

The main purpose of this subject is to provide the required knowledge and business programming skill for you to effectively use data processing system and manage the data processing department of an organization.

Basic concepts of data processing, required computer systems, personnel, tools for developing data processing application and basic programming skills are also covered in this study material. This will be achieved through the following: AIMS Students should be able to:

– Explain data processing concepts, system, personnel and tools;

– Describe data processing techniques;

– Acquire skills for developing, implementing and managing data processing system.

(b) Format the passage as stated below:(i) Heading of the page: apply a 16 point font-size in upper case form; bold, centralize and underline it.

(ii) Body of the passage: change the line spacing to 1.5; align, justify.

(i) Sub-heading of the passage: bold and italicise; use text highlight colour Gray 50%

(iv) Create a bulleted list type of your choice for the text under “Aim” and format as follows: explain the data processing concepts, systems, personnel and tools; acquire skills for developing, implementing and managing data processing system; describe data processing techniques. Change the page orientation to landscape.

(d) Using the header tool, insert your full name and index number.

(e) Save the work as PROCESSING in the folder created and print.

2.(a) using a presentation program, create four blank slides with a suitable design template.

Insert a footer showing your full name and index number with font size 20 points

(b) Prepare each slide as follows.

SLIDE 1:

Type VEGETABLE as the title and format it as follows

SLIDE 2:

(i) Type the sub-title as “Health Advantages of Vegetables and format it as follows: Font type: -Arial Black; size -44

Font type: -Arial, style -bold: size-96; colour blue

(ii) Insert the following content: Vegetables enhance your body wellness. Here are some of the potential health benefits

1. Reduce the risk of heart diseases including heart at tack and stroke.

2. Protect against certain type of cancer.

3. Reduce the risk of developing kidney stones.

SLIDE 3:

(i) Type sub-titles as “STATISTICS”

(ii) Insert the following tables:

Vegetable Types

% Nutrient

Orange vegetable

15

Starchy vegetable

30

Other vegetable

35

 SLIDE 4:

(i) Type sub-title as “Nutrient Chart”

(ii) Create a pie-chart using the tabulated data in SLIDE 3.

(c) Save the work as CHART in the folder ceated and print.

3. Use a graphical application program to design a simple wedding invitation card as given in figure 1 using the listed specifications.

(a) Two wedding rings as logo. Format as shown in figure 1.

(b) THE BRIDE AND THE GROOM

Font style: Dutch 801 x BdBT

Size: 24 pt. The families of Cordially request the Size 24 pt pleasure of

Font style – Free script to the Size 31.351 pt

Wedding ceremony Font style Blernard MT Condensed Size 54.351 pt

Between Font style-Freestyle script Size 35.777 pt

Aishat Abosede Chinyere

Font style – Blackadder ITC & Size-35.647 pt

Musha Amuda Chukwuemeka Venue Font style- Arial Size 23.55 pt

Reception follows immediately Font style- Ar At the same venue RSVP font style- Arial Size 18 pt

Font style- Arial Size 37.787 pt

On Font style Arial Saturday 31st January, 2013 @ Wazobia Hall, 7, Freedom Way Abuja. Font style – Arial Size 24 pt  By 11.00 a.m. prompt Size 20.607 pt

(c)Using the footer tool, insert your full name and index number.

(d) Save the work as CARD in the folder created and print.

 

 

View Answer & Discuss WAEC 2016
2

(a) State two BASIC programming keywords.

(b) Write the following equations in BASIC format:

(i) I = PRT/100: (ii) Y= AX\(_2\) +BX+C; (iii) Y= MX + C

(c) Write a BASIC program that accepts mass and volume of a liquid as input from the User.

The program should compute.and display the density of the liquid. Density = mass volume

View Answer & Discuss WAEC 2016
3

(a) An electronic book is made up of 500 pages and there are 16 lines of 24,000 bits line on each page.

Complete the space it will occupy on a computer in megabytes.

 (b) Give an example of auxiliary storage.

(c) In the table below:

(i) List the two main types of computer software.

(ii) Give two examples under each in 4(c)i)

main type  example
i A
  B
ii A
B

 

View Answer & Discuss WAEC 2016
4

(a) Convert the following numbers to be stated bases:

(i) 125.625, to binary

(ii) 111011.10011, to octal

(b) Given that X = 11011011 and Y= 11101101,

(i) construct the truth table for X, Y Z;

(ii) draw the logic gate of X, Y = Z

(iii) state the value of Z.

View Answer & Discuss WAEC 2016
5

(a) (i) Define computer virus.

(i) List three types of computer network security breach.

(b) State five sources of computer network security breach.

View Answer & Discuss WAEC 2016
6

(a) (i) What is a network cable?

(ii) State three types of cable used in networking

(b) Write the acronym VSAT in full.

(C) (i) Distinguish between an e-mail address and a website address.

(ii) List examples of each of: (1) e-mail address (2) website address

View Answer & Discuss WAEC 2016
7

Symptoms of computer virus attack include:

I improved processing speeds; Il drive light coming up without apparent reason; Ill unexplainable printer activity; IV the disappearance or strange files appearance on the screen

  • A. l, Il and Ill only
  • B. I, Ill and IV only
  • C. II, IIl, and IV only
  • D. I, II, Ill and IV
View Answer & Discuss WAEC 2016
8

The illegal copying and use of proprietary/copy righted software is called?

 

  • A. hacking
  • B. spamming
  • C. hardware piracy
  • D. software piracy.
View Answer & Discuss WAEC 2016
9

Sorting of records is sufficient and a necessary condition for creating?

 

  • A. random file
  • B. indirect file
  • C. sequential file
  • D. indexed sequential file.
View Answer & Discuss WAEC 2016
10

Which of the following is a temporary file that can be used only once and then discarded?

 

  • A. Refresh file
  • B. Master file
  • C. System file
  • D. Transaction file
View Answer & Discuss WAEC 2016
11

Which of the following is true of a digital logic gate?

.

  • A. It has at least two inputs but only one output.
  • B. It has many outputs and inputs.
  • C. It has at least one or more inputs but only one output.
  • D. It has at least one input and two outputs
View Answer & Discuss WAEC 2016
12

The decimal number 1024 in hexadecimal equivalent is?

 

  • A. 24
  • B. 400
  • C. 3E8
  • D. 8BB
View Answer & Discuss WAEC 2016
13

The word bit refers to?

 

  • A. the value zero or one
  • B. the value zero of more
  • C. central processing unit command
  • D. central processing unit instructions.
View Answer & Discuss WAEC 2016
14

The main advantage of intellectual property right is?

 

  • A. maximization of profit
  • B. discovering of brilliant persons
  • C. discovering of sharing
  • D. encouragement of innovations.
View Answer & Discuss WAEC 2016
15

 

Which of the following is not a biometric data?

 

  • A. finger prints
  • B. password
  • C. pattern of eye iris
  • D. sound of the voice.
View Answer & Discuss WAEC 2016
16

The initial screen that is displayed after a computer booting is referred to as?

 

  • A. desktop
  • B. interface
  • C. software
  • D. taskbar
View Answer & Discuss WAEC 2016
17

The speed of data transfer in the computer can be determined in terms of ?

 

  • A. protocol and bus speed
  • B. bus speed and width
  • C. bus speed and storage media
  • D. bus width and storage media.
View Answer & Discuss WAEC 2016
18

Converting 4B7\(_16\) to binary?           

  • A. 0100 1010 0111
  • B. 0100 1011 0111,
  • C. 0100 1000 0111,
  • D. 0100 1100 0111
View Answer & Discuss WAEC 2016
19

One megabyte is equivalent to?

 

  • A. one million bytes
  • B. two million bytes
  • C. three million bytes
  • D. four million bytes
View Answer & Discuss WAEC 2016
20

In a database, a primary key is a field which contains?

 

  • A. text only
  • B. unique entries
  • C. duplicate values
  • D. numeric value only.
View Answer & Discuss WAEC 2016
21

Principal uses of word processing software packages include:

I preparing deft articles for publication

ll pre- paring reports for top management

Ill preparing accounts
IV preparing organizations’ newsletter.

  • A. I, IIIΒ and IV only
  • B. I, II and IV only
  • C. II, III and IV only
  • D. I, II, IIl, and IV.
View Answer & Discuss WAEC 2016