WAEC - Data Processing (2016)

• 1

  Who developed the first digital electrical computer?

  回答

  (C)

  Mauchly and Eckert
• 2

  Which generation of computers made use of intergrated circuit?

  回答

  (B)

  Third
• 3

  Which of the following is an alphebetical data?

  回答

  (A)

  Bed
• 4

  The type of data which consist of text, number, audio, graphic and animation is called

  回答

  (B)

  multimedia data
• 5

  Which of the following factors is not considered when classifying computers?

  回答

  (A)

  Location
• 6

  Which of the following is not used for online shopping?

  回答

  (D)

  Sim card
• 7

  Which of the following is a negative impact of ICT in education?

  回答

  (A)

  Plagiarism
• 8

  Which of the following are parts of a computer processor?

  回答

  (B)

  Control unit and ALU
• 9

  Data gathering involves the following means except 

  回答

  (B)

  voting process
• 10

  Two computers, X and Y are such that the processor in X has a word size of 32 bits while that of Y is 16bits. Which of the following statement is true?

  回答

  (C)

  X can process two times as much data as Y at the same time.
• 11

  The television set deisplays information as 

  回答

  (D)

  audio-visual signals
• 12

  Which of the following is not an ancient medium for transmitting information?

  回答

  (C)

  Telephone
• 13

  A server is a computer that provides services to other computers called

  回答

  (A)

  Clients
• 14

  The rules for exchanging data on a network are known as 

  回答

  (C)

  protocol
• 15

  A search engine is a?

  回答

  (D)

  tool that searches the web
• 16

  The feature in a browser which enables users to open the latest copy of a webpage is

  回答

  (A)

  Refresh
• 17

  An operating system will perform the following except

  回答

  (D)

  protection from surge
• 18

  A Microsoft Office application suites include all the following except

  回答

  (C)

  CorelDraw
• 19

  Which of the following is not a feature of the drawing tool bar?

  回答

  (C)

  Drop Cap
• 20

  The MS Excel worksheet below shows the salary distribution for four staff in a company. The net salary is paid after deductions have been made. 

  S/N	A	B	C	D	E
  1	IDENTIFICATION NUMBER	BASIC SALARY (N)	TOTAL ALLOWANCE (N)	TOTAL DEDUCTION (N)	NET SALARY (N)
  2	LP/p/1202	22000	29000	7000	44000
  3	L/P/1250	26000	35000	9000	52000
  4	L/P/3205	15000	21000	6000	30000
  5	L/P/3215	33000	41000	8000	66000

  Which of the following cells contain numeric data?

  回答

  (C)

  C3
• 21

  The MS Excel worksheet below shows the salary distribution for four staff  of a company. The net salary is paid after deductions have been made.

  S/N	A	B	C	D	E
  1	IDENTIFICATION NUMBER	BASIC SALARY (N)	TOTAL ALLOWANCE (N)	TOTAL DEDUCTION (N)	NET SALARY (N)
  2	LP/p/1202	22000	29000	7000	44000
  3	L/P/1250	26000	35000	9000	52000
  4	L/P/3205	15000	21000	6000	30000
  5	L/P/3215	33000	41000	8000	66000

  Which of the following for mulas would be used to obtain the value in cell E2?

  回答

  (A)

  = B2 + C2 - D2
• 22

  In Database Management System (DBMS), linking entities is used to represent?

  回答

  (C)

  Relationships
• 23

  A data element that uniquely identifies one record from the other in a table is the

  回答

  (D)

  primary key
• 24

  In MS PowerPoint presentation, the special effects that control the order in which objects enter a slide and their manner of appearance is

  回答

  (D)

  Animation
• 25

  Which of these packages could be used by a Data processing teacher to design a website for a school 

  回答

  (A)

  Front Page
• 26

  In graphic packages, the process of removing unwanted part of an image is known as 

  回答

  (D)

  cropping
• 27

  Routine checks operations on computers in order to ensure its continuous functioning is known as computer

  回答

  (C)

  maintenance
• 28

  The perfomance of the computer can be enhanced by 

  回答

  (D)

  increasing the memory size
• 29

  The moral principles that regulates the use of computers, its accessories and environment are called

  回答

  (A)

  ethics
• 30

  A technician can protect itself from electronic discharge by using

  回答

  (A)

  wrist strap
• 31

  Which of the following operations prevent file loss?

  回答

  (A)

  File backup
• 32

  Acomputer pofessional who studies an existing system with a view to evolving a computer based system from it is

  回答

  (A)

  system analyst
• 33

  Computer virus cannot be transmitted by 

  回答

  (D)

  typing of keyboard
• 34

  A program designed to detect and prevent malicious programs from a computer system is

  回答

  (D)

  firewall
• 35

  In relational model, a tuple is a?

  回答

  (C)

  row of a table