WAEC - Data Processing (2018)

• 1

  The first generation computers made use of

  回答

  (A)

  low level programming
• 2

  Microprocessor was used as the main electronic component of the 

  回答

  (D)

  fourth generation computers
• 3

  The act of producing information from figures, text or images is called data 

  回答

  (D)

  processing
• 4

  The following are primary sources of information except

  回答

  (B)

  publication
• 5

  Which of the following is not considered when classifying computers

  回答

  (C)

  location
• 6

  Which  of these channels would enable business transactions between a buyer from Nigeria and a seller from Ghana 

  回答

  (C)

  e-commerce
• 7

  The ICT application which helps to resolve road congestion at junctions is 

  回答

  (D)

  traffic light
• 8

  The main components of the central processing unit (CPU) of the computer are

  回答

  (C)

  control unit and ALU
• 9

  Stages in data processing cycle includes the following except data

  回答

  (C)

  parsing
• 10

  At what stage of information processing is data validtion carried out?

  回答

  (A)

  Data analysis
• 11

  The media which enable electromagnetic signals to be transmitted through free space is known as 

  回答

  (A)

  unguided media
• 12

  The following are advantages of networking except 

  回答

  (A)

  spamming
• 13

  Which of the following devices would not transmit signals from one point to another?

  回答

  (B)

  modem
• 14

  Another term for Uniform Resources Locator (URL) is

  回答

  (A)

  website address
• 15

  The website "www.google.com" indicates that Google is 

  回答

  (A)

  a commercial organization
• 16

  Identify an operating system from the following software

  回答

  (D)

  Linux
• 17

  Which of the following command would undo the last operation carried out in Microsoft Word

  回答

  (A)

  Ctrl + Z
• 18

  While typing, a series of letters were highlighted and the keyboard key combination "Ctrl + B" was executed, the highlighted letters would be 

  回答

  (D)

  bold
• 19

  Table 1 is a part of MS Excel worksheet that shows the marks obtained by some students in an examination. Use the table to answer questions 20 and 21.

  S/N	A	B	C	D	E	F
  1	NAME OF STUDENT	ENGLISH LANGUAGE	MATHEMATICS	DATA PROCESSING	COMPUTER STUDIES	CIVIC EDUCATION
  2	ANENE LORRETA	65	90	70	85	65
  3	BAKARE IMAN	60	65	75	80	75
  4	ENEH GRACE	75	65	65	75	60
  5	MOHEMMED DEJI	65	60	65	60	60
  6	ONYEBUEKE DEBORAH	89	65	60	60	65

  Which of the following formulas would calculate the average score of the students in Mathematics?

  回答

  (A)

  = Average (C2:C6)
• 20

  Which of the following formulas would calculate the total score of ONYEBUEKE DEBORAH in the five subjects

  S/N	A	B	C	D	E	F
  1	NAME OF STUDENT	ENGLISH LANGUAGE	MATHEMATICS	DATA PROCESSING	COMPUTER STUDIES	CIVIC EDUCATION
  2	ANENE LORRETA	65	90	70	85	65
  3	BAKARE IMAN	60	65	75	80	75
  4	ENEH GRACE	75	65	65	75	60
  5	MOHEMMED DEJI	65	60	65	60	60
  6	ONYEBUEKE DEBORAH	89	65	60	60	65

   

  回答

  (D)

  =SUM(B6:F6)
• 21

  The following are advantages of a Database Management System (DBSM)  except

  回答

  (D)

  compromise of data integrity
• 22

  Extracting information in Database Management System (DCMS) involves 

  回答

  (B)

  querying
• 23

  A special effect that controls the way slides appear in PowerPoint presentation is called

  回答

  (B)

  Transition
• 24

  A reference to another page or resource on a website is done by 

  回答

  (B)

  Hyperlinks
• 25

  The design output of a graphic package can be in the following file formats except

  回答

  (A)

  .rtf
• 26

  The proactive maintenance of computer equipment before a fault or failure occurs is called 

  回答

  (C)

  preventive maintenance
• 27

  A good computer maintenance practice entails 

  回答

  (D)

  blowing the system unit with blower
• 28

  Set of moral principles that regulate the ise of computers and concerns professional and social conduct is known as

  回答

  (A)

  computer ethics
• 29

  Which of the following programs is a computer virus 

  回答

  (D)

  Tuareg
• 30

  Precautionary measures on computer do not include 

  回答

  (B)

  giving access to unauthorized persons into the computer room
• 31

  The computer professional responsible for designing and maintaining a database is called database 

  回答

  (D)

  administrator
• 32

  Computer virus is not transmitted through

  回答

  (A)

  formatting of documents
• 33

  The following are attributes of computer virus except the ability to

  回答

  (D)

  warn the user before execution
• 34

  A relational database model is designed according to set of rules known as 

  回答

  (A)

  Normalization
• 35

  Which of the foolowing statements about relational model is not correct?

  回答

  (D)

  Data in the rows of a table are of the same data type