WAEC - Computer Studies (2019)

• 1

  The personnel who deals with the computer and its management is called? 

  პასუხი

  (B)

  liveware 
• 2

  The map of Nigeria is an example of ? 

  პასუხი

  (D)

  graphic data
• 3

  The hexadecimal number 13, expressed as a binary here is? 

  პასუხი

  (A)

  00010011. 
• 4

  Which of the following statements are true about computer? 

  I.Constructed from electronic components. II. It has self regeneration capability.

  III. It has facility for storage of data and programs. IV.It has provision tor input and output of data.

   

  პასუხი

  (C)

  I, lII and IV 
• 5

  Computers are classified using the following criteria except? 

  პასუხი

  (A)

  cost and portability. 
• 6

  The Slide Rule is accurate to? 

  პასუხი

  (B)

  3-4 decimal places. 
• 7

  Modern computers compared to earlier computers are? 

  პასუხი

  (B)

  faster and smaller. 
• 8

  An input device that converts an image into text is known as? 

  პასუხი

  (A)

  Optical Character Reader. 
• 9

  The type of printer which works on the same principle as a photocopier is? 

  პასუხი

  (B)

  Ink. Jet Printer. 
• 10

  The output of a NAND gate is 1 when? 

  პასუხი

  (A)

  all inputs are 0. 
• 11

  A company known as CIBITO has the following memory modules in four of its computers as shown in Table 1 Use the information in Table 1 to answer questions 11 to 13.

  MEMORY MODULE	MEMORY TYPE	NUMBER OF PINS
  P	SIMM	30
  Q	SIMM	72
  R	SO DIMM	72
  S	DIMM	168

   Table 1

   Which of the memory modules is appropriate for a notebook computer?  

  პასუხი

  (A)

  P 
• 12

  

  use the table above to answer this question

  The memory module with the smallest physical size is? 

  პასუხი

  (A)

  P 
• 13

  A company known as CIBITO has the following modules in four of its computers as shown in Table 1. Use the information in Table 1 to answer this question.

  Memory module	memory type	No of pins
  P	SIMM	30
  Q	SIMM	72
  R	SODIMM	72
  S	DIMM	168

  identify the memory module with the largest physical Size?

  პასუხი

  (D)

  S
• 14

  The scanner and the floppy disk are? 

  პასუხი

  (D)

  input and storage devices respectively.
• 15

  The set of instructions written by computer experts to solve specific task of the user is called? 

  პასუხი

  (B)

  application software. 
• 16

  A Collection of software that allows the computer to operate is called? 

  პასუხი

  (C)

  operating system. 
• 17

  A suite of software that controls and manages the basic operation of a computer is? 

  პასუხი

  (D)

  system software.
• 18

  The Windows PC and the Apple Macintosh are examples of two different? 

  პასუხი

  (C)

   programs. 
• 19

  Machine Language instructions are expressed in? 

  პასუხი

  (A)

  binary. 
• 20

  The following symbols are used in flowcharting except the? 

  პასუხი

  (D)

  close symbol.
• 21

  Three major types of language translators are? 

  პასუხი

  (B)

   assembler, Compiler and interpreter. 
• 22

  . Translate 2m\(^2\) + 3n- 9 as a BASIC arithmetic expression. 

  პასუხი

  (B)

  2 * m ^2 +3 * n - 9 
• 23

  The term compiler in computer programming refers to a? 

  პასუხი

  (D)

  program which translates source program into object program.
• 24

  The IF...THEN statement in BASIC programming is? 

  პასუხი

  (D)

   a conditional branch statement.
• 25

  Flexibility of a good program means? 

  პასუხი

  (A)

  handling of any change(s) without having to rewrite the entire program. 
• 26

  Fibre Optic cable transmits signal in the fom of? 

  პასუხი

  (C)

  Light. 
• 27

  Data transfer can be initiated through the following media except? 

  პასუხი

  (C)

   trunking pipe. 
• 28

  

  The topology represented in figure 1 is? 

  პასუხი

  (A)

  bus topology. 
• 29

  To send a created MS PowerPoint document using email to a user, the document can be added as? 

   

   

   

   

  პასუხი

  (A)

  Attachment. 
• 30

  

  What type of network is represented in Figure 2? 

  პასუხი

  (B)

  Metropolitan Area Network 
• 31

  The major advantage of free software is that it is? 

  პასუხი

  (A)

   free and contains unlimited components. 
• 32

  In MS Excel, the cell that contains the pointer or cursor is called? 

  პასუხი

  (A)

  active cell. 
• 33

  One major difference between paper spreadsheet and electronic spreadsheet is? 

  პასუხი

  (D)

  speed of processing
• 34

  To hold row and column titles in places so that they do not scroll when the user scrolls a worksheet, click the? 

  პასუხი

  (A)

  freeze panes command on the windows menu. 
• 35

  In Microsoft PowerPoint, two kinds of sound effect files that can be added to a presentation are? 

  პასუხი

  (A)

   .wav files and .mid files. 
• 36

  A cell with a red triangle in the top-right comer in a spreadsheet application signifies? 

  პასუხი

  (A)

  an error in the cell. 
• 37

  Spreadsheet packages can be used for?  .

  პასუხი

  (C)

   budgeting and inventory. 
• 38

  Which of the following is true when data maintained in MS Excel workbook is linked to a word document? The word document

   

  პასუხი

  (D)

   contains a reference to the original source application.
• 39

  Data that is copied from an application is stored in the? 

  პასუხი

  (A)

  clipboard. 
• 40

   After several 'save' and 'delete' operations, there remain many scattered areas of data too small to be used productively. This describes?

   

  პასუხი

  (C)

  fragmentation. 
• 41

  The disk operating system will label three hard drives as? 

  პასუხი

  (B)

  C, D and E. 
• 42

  Which of the options labeled I to IV give two stages involved in booting?

  I. Power On self test II. Loading of Operating System IIl. Loading of email IV. Power On Safe Mode

   

  პასუხი

  (A)

   I and Il only 
• 43

  A bit as used in computing in digital communication is? 

  პასუხი

  (C)

  a bin digit. 
• 44

  Multiply 101\(_2\) by 11\(_2\) 

   

   

   

  პასუხი

  (D)

  1111\(_2\)
• 45

  In BCD encoding system, 25, will be represented as? 

  პასუხი

  (C)

  00100101.