WAEC Data Processing 2022 past questions
Ten questions from the 2022 WAEC Data Processing paper, with answers and explanations. We hold 34 questions from this paper, and the Skolra app has all of them.
WAEC Data Processing 2022 questions and answers
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1.One disadvantage of using computer for information processing is
- AAbility to process data at high speed
- BAbility to store large volumes of data
- CLoss of jobs due to automation of tasks previously done manuallyCorrect
- DFaster and more accurate processing of data
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Answer: C
While computers improve speed and accuracy, one disadvantage is that automating tasks can lead to job losses for people who previously performed those tasks manually. - A
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2.In Microsoft PowerPoint, the command: ctrl + m is used to create
- Aa new table
- Ba new hyperlink
- Ca new slideCorrect
- Da new presentation
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Answer: C
In Microsoft PowerPoint, Ctrl+M inserts a new slide into the open presentation. - A
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3.A user working on a computer that is running on Windows 7 issued the command: Ctrl +Alt +Del while typing a document. What interface is expected to be displayed on the screen?
- AA screen with options such as Lock this computer, Switch User, Log off and Start Task ManagerCorrect
- BA Task Manager window only, with no other options
- CThe Control Panel window
- DThe BIOS setup screen
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Answer: A
In Windows 7, Ctrl+Alt+Del brings up the Windows Security screen offering Lock this computer, Switch User, Log off, Change a password and Start Task Manager. - A
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4.One of the major differences between WAN and MAN is that
- Aa WAN uses cables while a MAN is always wireless
- Ba WAN connects only two computers while a MAN connects many
- Ca WAN covers a wider geographical area such as countries or continents, while a MAN is limited to a single cityCorrect
- Da WAN is cheaper to set up than a MAN
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Answer: C
The key difference is geographical coverage: a WAN spans across cities, countries or continents, whereas a MAN is confined to a single metropolitan area or city. - A
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5.The following computer files will open on a computer that has only Microsoft office 1997 - 2003 installed except
- A.xls
- B.ppt
- C.docxCorrect
- D.doc
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Answer: C
Office 97-2003 uses the older binary formats .doc, .xls and .ppt; .docx is the newer XML format introduced in Office 2007 and will not open without a compatibility pack, making it the exception. - A
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6.The following statements are steps used in creating a new workbook in a Microsoft Excel application. I. Click on New II. Click on the Microsoft Office button III. Choose blank document. Which of the following arrangements shows the correct order of operation from the steps above?
- AIII, II, I
- BI, II, III
- CII, III, I
- DII, I, IIICorrect
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Answer: D
To create a new workbook, you first click the Microsoft Office button (II), then click New (I), then choose blank document (III). - A
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7.The concept of stored program for electronic devices was introduced by
- ABlaise Pascal
- BJohn von NeumannCorrect
- CCharles Babbage
- DAlan Turing
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Answer: B
John von Neumann introduced the concept of the stored-program computer, in which both instructions and data are held together in memory. - A
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8.The subdivision of tracks in a hard disk is called
- APartition
- BSectorCorrect
- CTrack
- DCylinder
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Answer: B
Each track on a hard disk is divided into smaller units called sectors, the basic unit of data storage on the disk. - A
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9.Which of the following malware does not replicate itself?
- AComputer worm
- BTrojan horseCorrect
- CMacro virus
- DBoot sector virus
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Answer: B
Unlike viruses and worms, a Trojan horse does not replicate itself; it disguises itself as legitimate software to trick users into installing it. - A
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10.When choosing a file organization method a system administrator will not consider
- Athe volume or size of the file
- Bthe color scheme of the operating systemCorrect
- Cthe mode of access to the records (sequential or random)
- Dthe frequency at which records are updated
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Answer: B
File organization choice depends on access mode, file volume and update frequency; the operating system's color scheme has no bearing on this decision, making it the exception. - A
The questions come from past JAMB, WAEC and NECO papers. We use software to help write the answer options and explanations, and every answer is checked twice before it goes on the site. How we check
Spotted a wrong answer? Tell us from the app or on the contact page and we check it.
Practise all 34 questions we hold from the 2022 paper, on a timed CBT screen
Every question has the answer and an explanation, in the Skolra app.