Definition & Characteristics of Computer MCQs for JOA IT Exam | Important Computer Fundamentals Questions
Prepare for the Himachal Pradesh JOA IT Exam with these important MCQs on “Definition & Characteristics of Computer.” This quiz covers basic computer fundamentals including speed, accuracy, storage capacity, automation, diligence, versatility, reliability, and other essential features of computers frequently asked in competitive exams like HPSSC JOA IT, SSC, Banking, Railway, Police, and State Exams.
These multiple choice questions are specially designed for beginners and aspirants preparing for computer awareness sections. Practice these latest and exam-oriented MCQs to improve your score in the JOA IT examination.
Q1. The word “Computer” is derived from which language?
A) Greek
B) Latin
C) German
D) French
Answer: B
Q2. Which of the following is considered the correct sequence of the core computer operation cycle?
A) Output > Process > Input > Storage
B) Input > Output > Process > Storage
C) Input > Process > Output >Storage
D) Process > Input > Output > Storage
Answer: C
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Q3. The ability of a computer to perform millions of calculations tirelessly and without any error for hours is called:
A) Accuracy
B) Diligence
C) Versatility
D) Speed
Answer: B
Q4. “GIGO” (Garbage In, Garbage Out) is a term closely associated with which characteristic of computers?
A) Speed
B) Storage
C) Accuracy
D) Versatility
Answer: C
Q5. A computer can perform completely different types of tasks (such as playing music, typing a document, and calculating data) almost simultaneously. This feature is known as:
A) Diligence
B) Reliability
C) Accuracy
D) Versatility
Answer: D
Q6. Which of the following is a fundamental limitation of an electronic computer?
A) Lack of IQ
B) Lack of Diligence
C) Lack of Speed
D) Lack of Storage
Answer: A
Q7. The speed of a modern computer is typically measured in which of the following units?
A) Nanoseconds and Picoseconds
B) Minutes and Hours
C) Kilobytes
D) Milliseconds and Seconds
Answer: A
Q8. Which characteristic of a computer ensures that it executes instructions exactly as provided without emotional bias or fatigue?
A) Versatility
B) Reliability
C) No Feeling / No Emotion
D) Both B and C
Answer: D
Q9. Raw, unorganized, and un-evaluated facts and figures fed into a computer are called:
A) Information
B) Data
C) Knowledge
D) Output
Answer: B
Q10. Processed, organized, and meaningful data is formally known as:
A) Input
B) Information
C) Program
D) Storage
Answer: B
Q11. The processor speed of a computer system is commonly measured in:
A) Mbps
B) GHz / MHz
C) GB
D) BPS
Answer: B
Q12. What does MIPS stand for in relation to computer performance and speed?
A) Million Inputs Per Second
B) Many Instructions Per Second
C) Million Instructions Per Second
D) Memory Input Process Storage
Answer: C
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Q13. Which of the following statements best defines an electronic computer?
A) A machine used only for complex mathematical calculations
B) An electronic device that processes data to convert it into meaningful information
C) A mechanical device that stores data without processing it
D) A typing machine used for text documentation only
Answer: B
Q14. Computer memory power (retentive power) allows it to store data for:
A) A temporary period only
B) As long as the user needs it and doesn’t delete it
C) Only until the power is turned off
D) Exactly 10 years
Answer: B
Q15. The capacity of a computer to store massive amounts of data in a very small physical space is a characteristic known as:
A) Compactness
B) Storage Capability
C) Versatility
D) Accuracy
Answer: B
Q16. What is the full form of GIGO in computer terminology?
A) General Input General Output
B) Garbage In Garbage Out
C) Garbage Input Good Output
D) Greater Input Greater Output
Answer: B
Q17. Which of the following is NOT a core characteristic of a computer?
A) Intelligence Quotient (IQ)
B) Speed
C) Accuracy
D) Storage
Answer: A
Q18. The basic function of a computer is to scan, process, and convert data into:
A) Graphs
B) Programs
C) Information
D) Bits
Answer: C
Q19. The word “Compute” literally means:
A) To think
B) To calculate
C) To type
D) To draw
Answer: B
Q20. A computer does not suffer from boredom, tiredness, or lack of concentration. What is this property called?
A) Accuracy
B) Diligence
C) Speed
D) Reliability
Answer: B
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Q21. If a computer gives incorrect results despite having perfect hardware, what is the most likely cause?
A) Processor failure
B) Faulty data or wrong instructions given by the user
C) Lack of internet connection
D) High temperature
Answer: B
Q22. Which of the following represents the smallest unit of data processing time in a computer?
A) Millisecond
B) Microsecond
C) Nanosecond
D) Picosecond
Answer: D
Q23. The ability of a computer to consistently produce the same results when given identical inputs is termed as:
A) Diligence
B) Reliability
C) Speed
D) Storage
Answer: B
Q24. A computer is free from monotony. This falls under which characteristic?
A) Versatility
B) Speed
C) Accuracy
D) Diligence
Answer: D
Q25. Which asset of a computer enables it to recall any stored information instantly when requested?
A) Accuracy
B) Power of Remembrance
C) Intelligence
D) Versatility
Answer: B
Q26. Data entering into a computer system is called input, while the structured result produced by the computer is called:
A) Storage
B) Output
C) Throughput
D) Resource
Answer: B
Q27. Why are computers considered to have “No Heuristics”?
A) They cannot work at high speed
B) They cannot learn from past experiences by themselves
C) They cannot store binary data
D) They cannot execute mathematical operations
Answer: B
Q28. The four basic functions of a computer system are:
A) Input, Print, Read, Save
B) Input, Processing, Output, Storage
C) Read, Write, Delete, Edit
D) Booting, Typing, Surfing, Printing
Answer: B
Q29. What type of device is a computer?
A) Mechanical Device
B) Electronic Device
C) Electrical Device
D) Chemical Device
Answer: B
Q30. The performance of supercomputers is generally measured in:
A) MIPS
B) FLOPS
C) MHz
D) Kbps
Answer: B
Q31. What does FLOPS stand for?
A) Floating-point Operations Per Second
B) File Loading Operations Per Second
C) Fixed Logic Operations Per Second
D) First Logic Output Per Second
Answer: A
Q32. A computer cannot take any decision on its own because it lacks:
A) Memory
B) Accuracy
C) Intelligence / Common Sense
D) Hardware
Answer: C
Q33. Which component of the computer is responsible for the actual processing of data?
A) Keyboard
B) Monitor
C) Central Processing Unit (CPU)
D) Hard Disk
Answer: C
Q34. In computer science, data that has been verified, validated, and structured is known as:
A) Raw material
B) Information
C) Bytes
D) Signals
Answer: B
Q35. The error rate in a computer system during normal operations is:
A) High
B) Negligible / Zero (unless input is wrong)
C) 10%
D) Dependent on the weather
Answer: B
Q36. Which characteristic allows a computer to switch from scientific calculations to preparing an office payroll smoothly?
A) Diligence
B) Accuracy
C) Versatility
D) Automation
Answer: C
Q37. Once a program is loaded into memory, a computer can execute it without human intervention. This feature is known as:
A) Speed
B) Accuracy
C) Automation
D) Versatility
Answer: C
Q38. Which of the following is considered the brain of the computer?
A) ALU
B) CPU
C) RAM
D) Control Unit
Answer: B
Q39. Computer speed was measured in milliseconds in which generations?
A) Early mechanical and electromechanical computing eras
B) Current 5th Generation
C) Future Quantum Computers
D) None of the above
Answer: A
Q40. The primary purpose of a computer system is to turn data into:
A) Ideas
B) Information
C) Websites
D) Objects
Answer: B
Q41. A computer’s IQ level is equivalent to:
A) 50
B) 100
C) 0
D) 120
Answer: C
Q42. Which characteristic implies that computers do not get tired, lose focus, or suffer from physical fatigue?
A) Versatility
B) Speed
C) Diligence
D) Storage Capacity
Answer: C
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