Computer Based Test On Data Processing For Ss1
This online exam on Data Processing is designed only for SS1 students of Urban Girls' Secondary School. I (Arinze Ifeanyi) wish you success as you take this exam in preparation of your Jamb CBT exams. If you have any question regarding this exam, ask here. May God lead you through. Remain blessed. Arinze Ifeanyi. 08035596288
Questions and Answers
- 1.
The following are the kinds of data processing except
- A.
Manual data processing
- B.
Machine data processing
- C.
Mechanical data processing
- D.
Electronic or computer data processing
Correct Answer
B. Machine data processingExplanation
Machine data processing is not a kind of data processing because it implies that machines are involved in the processing of data. However, data processing refers to the manipulation and transformation of data by humans or machines. Therefore, machine data processing is not a valid category as it suggests that machines are the sole entities involved in the processing, which is not the case.Rate this question:
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- 2.
The use of hands, paper, pen or pencils to perform data processing is known as
- A.
Machine data processing
- B.
Manual data processing
- C.
Mechanical data processing
- D.
Electronic or computer data processing
Correct Answer
B. Manual data processingExplanation
Manual data processing refers to the use of hands, paper, pen, or pencils to perform data processing tasks. This method involves human intervention and does not involve the use of machines or computers. It is a time-consuming process and is prone to errors.Rate this question:
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- 3.
___________ allows to be done by cash registers and typewriter to type words.it is not fast unlike electronic data processing
- A.
Manual data processing
- B.
Machine data processing
- C.
Mechanical data processing
- D.
Electronic or computer data processing
Correct Answer
C. Mechanical data processingExplanation
Mechanical data processing refers to the use of cash registers and typewriters to manually process data. Unlike electronic data processing, which is fast and automated, mechanical data processing is slower and requires manual input. This method was commonly used before the advent of computers and electronic systems.Rate this question:
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- 4.
One of these is not an important of computer as a data processing tool
- A.
Computer increases accuracy
- B.
It provides efficient storage facilities
- C.
Distributes malware through internet
- D.
Fast access to information
Correct Answer
C. Distributes malware through internetExplanation
Distributing malware through the internet is not an important function of a computer as a data processing tool. While computers can be used for various purposes such as increasing accuracy, providing efficient storage facilities, and enabling fast access to information, distributing malware is not a legitimate or desirable function of a computer.Rate this question:
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- 5.
Amongst the early counting devices includes all except
- A.
Stones or pebbles
- B.
Sticks
- C.
Clock
- D.
Fingers
Correct Answer
C. ClockExplanation
The early counting devices mentioned in the options are stones or pebbles, sticks, and fingers. These were commonly used by ancient civilizations to keep track of numbers and perform basic calculations. However, a clock is not considered an early counting device as it is a more advanced invention that measures time rather than counting or calculating numbers.Rate this question:
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- 6.
Problems encountered by using the early counting devices includes all except
- A.
It makes counting slow
- B.
Counting large numbers are very difficult
- C.
A lot of mistakes are being encountered
- D.
Information is transmitted easily
Correct Answer
D. Information is transmitted easilyExplanation
The early counting devices had limitations such as making counting slow, making it difficult to count large numbers, and encountering a lot of mistakes. However, one advantage they had was that information was not easily transmitted. This means that the counting process was not vulnerable to external interference or manipulation, ensuring the accuracy and security of the counted data.Rate this question:
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- 7.
The following are the advantages of data digitalization except
- A.
Long term preservation of documents
- B.
Orderly achieving of documents
- C.
Monitoring of personal information
- D.
Easy and customised access to information
Correct Answer
C. Monitoring of personal informationExplanation
The advantages of data digitalization include long term preservation of documents, orderly achieving of documents, and easy and customized access to information. However, monitoring of personal information is not an advantage of data digitalization. This is because monitoring personal information can raise privacy concerns and ethical issues. Data digitalization focuses on converting physical documents into digital format, improving efficiency and accessibility, rather than actively monitoring personal information.Rate this question:
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- 8.
The following are qualities of a good information except
- A.
Accuracy
- B.
Meaningful
- C.
Irrelevant
- D.
Comprehensive
Correct Answer
C. IrrelevantExplanation
A good information should possess qualities such as accuracy, meaningfulness, and comprehensiveness. However, irrelevant information does not contribute to the quality of the information. Irrelevant information is unrelated or unnecessary for the intended purpose, and including it can lead to confusion or distraction. Therefore, it is not considered a desirable quality for good information.Rate this question:
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- 9.
Input devices include
- A.
Monitor
- B.
Mouse
- C.
Ear piece
- D.
Printer
Correct Answer
B. MouseExplanation
The given answer, "mouse," is correct because it is an input device. Input devices are hardware devices that allow users to interact with a computer and input data or commands. A mouse is a common input device used to control the movement of the cursor on a computer screen. It allows users to click, select, and drag objects on the screen, making it an essential input device for most computer systems. The other options listed, such as monitor, earpiece, and printer, are not input devices but rather output devices or peripherals that serve different functions.Rate this question:
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- 10.
____________ keys are used for typing alphabets and numbers and are similar in layout to the standard typewriter keys
- A.
Function
- B.
Numeric
- C.
Alpha numeric
- D.
Special
Correct Answer
C. Alpha numericExplanation
Alpha numeric keys are used for typing both alphabets and numbers. They are similar in layout to the standard typewriter keys, which means they follow the traditional QWERTY layout. These keys allow users to input both letters and numbers conveniently, making them essential for tasks that involve typing alphanumeric characters, such as writing documents, entering data, or composing messages.Rate this question:
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- 11.
The key labelled F1 – F12 is known as the _______________ keys
- A.
Function
- B.
Numeric
- C.
Alpha numeric
- D.
Special
Correct Answer
A. FunctionExplanation
The key labelled F1 - F12 is known as the function keys. These keys are typically found at the top of a keyboard and are used to perform specific functions in computer programs or operating systems. They can be programmed to perform various tasks such as opening help menus, saving documents, or adjusting screen brightness.Rate this question:
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- 12.
INS, DEL, PAGEUP, PAGEDOWN, HOME, END, keys etc.; typically the PAGEUP, PAGEDOWN, HOME and END are all referred to as keys
- A.
Function
- B.
Numeric
- C.
alpha numeric
- D.
Special
Correct Answer
D. SpecialExplanation
The given answer "special" is the correct answer because the keys mentioned in the question - INS, DEL, PAGEUP, PAGEDOWN, HOME, END - are commonly known as special keys. These keys have specific functions and are not categorized as numeric, alphanumeric, or alpha numeric keys.Rate this question:
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- 13.
Which one do you like?
- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
Correct Answer
A. Option 1Explanation
The given question asks for personal preference among the options provided. The answer "Option 1" indicates that the person likes the first option the most out of all the given choices.Rate this question:
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- 14.
The devices that enable the user to get some information out of a computer system are referred to as
- A.
Keyboard
- B.
Input
- C.
Output
- D.
Storage
Correct Answer
C. OutputExplanation
Output devices are the devices that enable the user to receive information or data from a computer system. These devices take the processed data from the computer and present it to the user in a readable or understandable format. Examples of output devices include monitors, printers, speakers, and projectors. They play a crucial role in allowing users to interact with and interpret the results of the computer system's processing.Rate this question:
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- 15.
The output to the printer is called
- A.
Hardware
- B.
Software
- C.
Hardcopy
- D.
Softcopy
Correct Answer
C. HardcopyExplanation
The output to the printer is referred to as "hardcopy" because it is a physical copy of the information that has been printed onto paper or another tangible medium. Unlike "softcopy," which refers to digital or electronic copies of information displayed on a screen, "hardcopy" is a term used to describe the physical form of the printed output. It distinguishes the printed document from the digital representation of the same information.Rate this question:
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- 16.
VDU stands for ________
Correct Answer
visual display unitExplanation
VDU stands for Visual Display Unit. This acronym is commonly used to refer to a device that displays visual information, such as a computer monitor or a television screen. The term "visual display unit" accurately describes the purpose and function of this type of device, which is to visually display information to the user.Rate this question:
- 17.
The output to the monitor is known as
- A.
Hardware
- B.
Software
- C.
Hardcopy
- D.
Softcopy
Correct Answer
D. SoftcopyExplanation
Softcopy refers to the digital or electronic form of output that is displayed on a monitor or screen. It is the opposite of hardcopy, which is a physical printout. The term "softcopy" is commonly used to describe documents, images, or any other type of data that is viewed or accessed electronically. Therefore, the correct answer is softcopy.Rate this question:
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- 18.
There are ____________ generation of computer
- A.
2
- B.
3
- C.
4
- D.
5
Correct Answer
D. 5 -
- 19.
First generation computers has the following features/characteristics except
- A.
There were very large in size
- B.
There were very cheap
- C.
They broke down easily
- D.
Instructions were stored in the computer memory
Correct Answer
B. There were very cheapExplanation
First generation computers had many features and characteristics, including being very large in size, breaking down easily, and storing instructions in computer memory. However, one feature that they did not have was being very cheap. These early computers were extremely expensive and were only affordable for large organizations or governments. Therefore, the correct answer is that first generation computers were not very cheap.Rate this question:
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- 20.
____________ computers are used to process data in the form of physical quantities
- A.
Super
- B.
Hybrid
- C.
Analogue
- D.
Mini
Correct Answer
C. AnalogueExplanation
Analogue computers are used to process data in the form of physical quantities. Unlike digital computers that process data in discrete binary form, analogue computers work with continuous signals and can handle complex calculations involving variables such as voltage, current, and frequency. They are particularly useful in fields such as scientific research, engineering, and simulations where precise measurements and real-time data processing are required.Rate this question:
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- 21.
The special type of computer that combines both digital and analogue modes of operations is
- A.
Super
- B.
Hybrid
- C.
Analogue
- D.
Mini
Correct Answer
B. HybridExplanation
A hybrid computer is a special type of computer that combines both digital and analogue modes of operations. It can process both discrete data, which is represented by numbers, and continuous data, which is represented by physical quantities. This allows the hybrid computer to perform complex calculations and simulations that require both types of data processing. The other options, super, analogue, and mini, do not accurately describe a computer that combines both digital and analogue modes of operations.Rate this question:
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- 22.
CPU stands for ____
Correct Answer
central processing unitExplanation
The correct answer is "central processing unit." CPU is an acronym that stands for central processing unit. It is the primary component of a computer that carries out instructions and performs calculations, acting as the brain of the system.Rate this question:
- 23.
The two types of storage device are
- A.
Internal and external
- B.
Primary and secondary
- C.
Input and output
- D.
Memory and hard-disk
Correct Answer
B. Primary and secondaryExplanation
The correct answer is "primary and secondary". Primary storage refers to the main memory of a computer, such as RAM, which is used to store data and instructions that are actively being processed by the CPU. Secondary storage, on the other hand, includes devices like hard drives, solid-state drives, and optical discs, which are used for long-term storage of data and programs. These two types of storage devices serve different purposes in a computer system, with primary storage providing fast access to data and secondary storage offering larger storage capacity.Rate this question:
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- 24.
Memory can also be classified as
- A.
Primary and tertiary
- B.
Internal and external
- C.
Volatile and non volatile
- D.
ROM and RAM
Correct Answer
C. Volatile and non volatileExplanation
Memory can be classified as volatile and non-volatile. Volatile memory refers to temporary storage that loses its data when power is turned off or interrupted, such as RAM (Random Access Memory). Non-volatile memory, on the other hand, retains data even when power is turned off or interrupted, such as ROM (Read-Only Memory) or flash memory. This classification is important as it helps differentiate between memory types based on their ability to retain data in different power scenarios.Rate this question:
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- 25.
One of these is a volatile memory
- A.
Hard-disk
- B.
ROM
- C.
RAM
- D.
Flash drive
Correct Answer
C. RAMExplanation
RAM stands for Random Access Memory, and it is a type of volatile memory. Volatile memory refers to a type of computer memory that requires power to retain stored data. In the case of RAM, it allows the computer to read and write data quickly, making it essential for the smooth functioning of a computer system. Unlike ROM (Read-Only Memory) or hard disks, RAM can be both read from and written to, making it an ideal choice for temporary storage of data that needs to be accessed quickly by the computer's processor. Flash drives, on the other hand, are a type of non-volatile memory.Rate this question:
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- 26.
RAM stands for ____
Correct Answer
Random Access MemoryExplanation
RAM stands for Random Access Memory. This is a type of computer memory that allows data to be accessed in any random order, regardless of the physical location of the data. It is a volatile memory, meaning that its contents are lost when the computer is powered off. RAM is used by the computer's operating system and applications to temporarily store data that is actively being used, allowing for faster access and processing speed compared to other types of storage.Rate this question:
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Mar 24, 2023Quiz Edited by
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Nov 17, 2014Quiz Created by
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Only a few can pass this basic computer science quiz
Only a few can pass this basic computer science quiz
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