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Past Questions Library

Practice with a curated collection of JAMB, WAEC, NECO, and school exam questions. Filter by subject, year, or exam type.

10,710 questions available
Showing 301–350 of 10710 questions
Junior Certificate Examination Digital Technologies
Q301. In a spreadsheet, what does the formula =AVERAGE(B2:B10) calculate?
A Sum of B2 to B10
B Average of B2 to B10
C Count of B2 to B10
D Maximum value of B2 to B10
Junior Certificate Examination Digital Technologies
Q302. Which of the following is an example of a cloud storage service?
A External hard drive
B USB flash drive
C Google Drive
D CD-ROM
Junior Certificate Examination Digital Technologies
Q303. Which hardware component is considered the "brain" of the computer?
A Motherboard
B CPU
C RAM
D Hard drive
Junior Certificate Examination Digital Technologies
Q304. Which peripheral device is primarily used to input images into a computer?
A Printer
B Scanner
C Projector
D External drive
Junior Certificate Examination Digital Technologies
Q305. What is the first step in cleaning a computer's internal components?
A Remove the power supply
B Turn off the computer and unplug it
C Open the case immediately
D Apply cleaning fluid directly to components
Junior Certificate Examination Digital Technologies
Q306. Which of these is a common sign of overheating in a computer?
A Blue screen of death
B Loud fan noise
C Slow startup time
D Random rebooting
Junior Certificate Examination Digital Technologies
Q307. What does the operating system reinstall process typically involve?
A Only backing up user data
B Formatting the hard drive and reinstalling OS files
C Installing new hardware components
D Updating BIOS firmware
Junior Certificate Examination Digital Technologies
Q308. Which of the following is a basic troubleshooting step for a non-responsive application?
A Restart the computer
B Delete the application folder
C Change the desktop wallpaper
D Increase RAM size
Junior Certificate Examination Digital Technologies
Q309. In database design, what is a primary key?
A A field that holds the largest data value
B A unique identifier for each record
C A field that can be duplicated
D A field used for sorting only
Junior Certificate Examination Digital Technologies
Q310. Which spreadsheet function returns the smallest number in a range?
A MIN
B MAX
C SMALL
D SUM
Junior Certificate Examination Digital Technologies
Q311. What does the COUNT function in a spreadsheet do?
A Counts the number of cells that are blank
B Counts the number of cells that contain numbers
C Counts the total number of cells in a range
D Counts the number of formulas in a sheet
Junior Certificate Examination Digital Technologies
Q312. Which of these is a correct relative cell reference?
A $A$1
B A$1
C A1
D $A1
Junior Certificate Examination Digital Technologies
Q313. In a database, a form is used primarily for:
A Displaying data in tabular format
B Entering and editing records
C Running queries
D Generating reports
Junior Certificate Examination Digital Technologies
Q314. Which of the following is an example of a removable external storage device?
A SSD
B HDD
C USB flash drive
D Optical drive
Junior Certificate Examination Digital Technologies
Q315. What is the purpose of a report in a database application?
A To input new data
B To display data in a formatted layout
C To edit existing records
D To store backup copies
Junior Certificate Examination Digital Technologies
Q316. Which of the following best describes a mixed reference in a spreadsheet?
A $A$1
B A$1
C $A1
D A1
Junior Certificate Examination Digital Technologies
Q317. In spreadsheet sorting, what does "ascending" order mean?
A Largest to smallest
B Smallest to largest
C Alphabetical Z to A
D Alphabetical A to Z
Junior Certificate Examination Digital Technologies
Q318. Which hardware component stores data permanently?
A RAM
B CPU
C SSD
D GPU
Junior Certificate Examination Digital Technologies
Q319. What is the function of a motherboard in a computer?
A Process data
B Store data permanently
C Connect all components together
D Display graphics
Junior Certificate Examination Digital Technologies
Q320. Which of the following is NOT a form of backup?
A Cloud backup
B External hard drive backup
C Manual data entry
D Network attached storage backup
Junior Certificate Examination Digital Technologies
Q321. In a database, what is a query used to do?
A Create a new table
B Retrieve specific data based on conditions
C Export data to a spreadsheet
D Backup the database
Junior Certificate Examination Digital Technologies
Q322. Which of these is a correct way to reference a cell in another worksheet?
A Sheet1!A1
B Sheet1:A1
C Sheet1 A1
D Sheet1A1
Junior Certificate Examination Digital Technologies
Q323. What does the SUM function in a spreadsheet calculate?
A The average of a range
B The total of a range
C The maximum value in a range
D The count of cells in a range
Junior Certificate Examination Digital Technologies
Q324. Which of the following is a typical symptom of a faulty power supply?
A Slow boot time
B Random reboots
C Overheating CPU
D All of the above
Junior Certificate Examination Digital Technologies
Q325. In database terminology, what is a field?
A A table that holds records
B A single piece of data within a record
C A form for data entry
D A query that retrieves data
Junior Certificate Examination Digital Technologies
Q326. Which of these is a common security threat in cybersecurity?
A Phishing
B Cloud storage
C External hard drive
D USB flash drive
Junior Certificate Examination Digital Technologies
Q327. Which of the following is a type of cloud computing service?
A IaaS
B RAM
C SSD
D GPU
Junior Certificate Examination Digital Technologies
Q328. Which of these is an example of an emerging technology?
A Blockchain
B Hard drive
C Printer
D Keyboard
Junior Certificate Examination Digital Technologies
Q329. What does "digital citizenship" emphasize?
A Buying digital products
B Responsible use of technology
C Installing software updates
D Using computers for gaming only
Junior Certificate Examination Digital Technologies
Q330. Which of the following is a protective measure against malware?
A Ignoring security updates
B Using a firewall
C Opening unknown email attachments
D Disabling antivirus software
Junior Certificate Examination Digital Technologies
Q331. In a spreadsheet, which function returns the number of cells that are not empty?
A COUNTA
B COUNTIF
C COUNT
D SUM
Junior Certificate Examination Digital Technologies
Q332. Which of the following is a component of the internal computer hardware?
A Printer
B Scanner
C Motherboard
D Projector
Junior Certificate Examination Digital Technologies
Q333. Which peripheral device is used to display images to a larger audience?
A Printer
B Projector
C Scanner
D External drive
Junior Certificate Examination Digital Technologies
Q334. What is the first step in troubleshooting a computer that won't start?
A Check the power cable connection
B Replace the RAM
C Install new software
D Update the operating system
Junior Certificate Examination Digital Technologies
Q335. Which of the following best describes a database report?
A A form for entering data
B A printed or digital summary of data
C A query that retrieves data
D A backup file
Junior Certificate Examination Digital Technologies
Q336. In spreadsheet terminology, what does "absolute reference" mean?
A Reference that changes when copied
B Reference that never changes when copied
C Reference that is relative to the column only
D Reference that is relative to the row only
Junior Certificate Examination Digital Technologies
Q337. Which of the following is a type of database component?
A Query
B CPU
C Hard drive
D RAM
Junior Certificate Examination Digital Technologies
Q338. What is the primary function of a database form?
A Display data in a table
B Enter and edit data
C Run complex calculations
D Backup data
Junior Certificate Examination Digital Technologies
Q339. Which of these is a common backup method using external storage?
A Cloud backup
B USB flash drive backup
C Printing documents
D Emailing files to oneself
Junior Certificate Examination Digital Technologies
Q340. Which of the following is a correct way to write a formula that checks if a value is greater than 10 and returns "Yes" or "No"?
A =IF(A1>10, "Yes", "No")
B =IF(A1>10, "Yes" "No")
C =IF(A1>10, Yes, No)
D =IF(A1>10, "Yes", "No", "Maybe")
Junior Certificate Examination Digital Technologies
Q341. In a database, which component is used to display data in a printable format?
A Table
B Form
C Report
D Query
Junior Certificate Examination Digital Technologies
Q342. What does "cloud storage" refer to?
A Storing data on a local hard drive
B Storing data on a remote server accessed via the internet
C Storing data on a USB drive
D Storing data on a CD-ROM
Junior Certificate Examination Digital Technologies
Q343. Which of the following is a type of computer hardware repair?
A Installing a new operating system
B Replacing a faulty RAM module
C Updating a web browser
D Adding a new user account
Junior Certificate Examination Digital Technologies
Q344. What is the function of a firewall in cybersecurity?
A To store data permanently
B To block unauthorized network access
C To process calculations
D To display graphics
Junior Certificate Examination Digital Technologies
Q345. Which of the following is an example of a protective measure against phishing?
A Clicking on unknown email links
B Verifying sender's email address before opening attachments
C Disabling antivirus software
D Ignoring security updates
Junior Certificate Examination Digital Technologies
Q346. In spreadsheet functions, what does the AVERAGEIF function do?
A Calculates the average of all cells in a range
B Calculates the average of cells that meet a specified condition
C Counts the number of cells that meet a condition
D Sums cells that meet a condition
Junior Certificate Examination Digital Technologies
Q347. Which of these is a typical symptom of a faulty hard drive?
A Random reboots
B Slow data transfer speeds
C Overheating CPU
D All of the above
Junior Certificate Examination Digital Technologies
Q348. Which of the following is a common hardware component for storing data temporarily?
A SSD
B HDD
C RAM
D GPU
Junior Certificate Examination Digital Technologies
Q349. What does the term "projector" refer to in computer peripherals?
A A device that prints documents
B A device that scans documents
C A device that projects images onto a screen
D A device that stores data externally
Junior Certificate Examination Mathematics
Q350. Which of the following numbers is the greatest?
A 2,345,678
B 23,456,78
C 234,567,8
D 234,567,80