Computer-Studies Exam Past Questions and Answers | JAMB, WAEC and NECO

Computer Studies covers general knowledge of computers, computing terms, and technologies. It focuses on building interest and confidence in using computers.

• Question 81:

  Which of the following is a valid variable name in Python?

  Options:
  A) my_variable$
  B) my_variable
  C) my-variable
  D) 1my_variable
  Show Answer
  The correct answer is B .
• Question 82:

  A light sensitive device that converts drawing, printed text or other images into digital form is

  Options:
  A) keyboard
  B) Plotter
  C) Scanner
  D) OMR
  Show Answer
  The correct answer is C .
• Question 83:

  When does the output of a NOR gate =0?

  Options:
  A) whenever 0 is present at input
  B) only when all input =0
  C) whenever 1 is present at input
  D) only when all input =1.
  Show Answer
  The correct answer is C .
• Question 84:

  The joystick typically have a button on _________ used to select the option pointed by the cursor.

  Options:
  A) bottom
  B) left
  C) right
  D) top
  Show Answer
  The correct answer is D .
• Question 85:

  To determine if a computer has the ability to think, a test was conducted named as

  Options:
  A) Turing test
  B) Computation test
  C) Teletype test
  D) Interrogator test
  Show Answer
  The correct answer is A .
• Question 86:

  Which process is used by large retailers to study trends?

  Options:
  A) Data mining
  B) Data selection
  C) Data conversion
  D) Pos
  Show Answer
  The correct answer is A .
• Question 87:

  Which can be the input and output devices both?

  Options:
  A) Scanner
  B) Touch screen monitor
  C) Speaker
  D) Digitizer
  Show Answer
  The correct answer is B .
• Question 88:

  What generation of computer is characterized by the use of vacuum tubes for circuitry and magnetic drums for main memory?

  Options:
  A) second generation
  B) fourth generation
  C) first generation
  D) third generation
  Show Answer
  The correct answer is C .
• Question 89:

  What is the function of firewall?

  Options:
  A) Service provider
  B) Cyber security
  C) Internet browser
  D) Storage device
  Show Answer
  The correct answer is B .
• Question 90:

  .......... provides total solutions to reduce data redundancy, inconsistency, dependence and unauthorized access of data

  Options:
  A) Tables
  B) DBMS
  C) Production passwords
  D) Database
  Show Answer
  The correct answer is B .