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WorksheetsData Types, Hardware Identification, and Communication Methods
Total questions: 78
Worksheet time: 39mins
A book’s identifier is 330247204X. What is the most appropriate data type for storing this value?
Boolean true or false
Text string value
Calendar date value
Integer numeric value
Which component is a volatile internal memory that stores the current instruction while a program runs?
Read-only memory chip
Random access memory
Solid-state drive
Cache on hard disk
Name the printed circuit board that contains the CPU and most other main components of a computer.
Sound expansion board
Network interface card
Graphics adapter board
Motherboard assembly
Which printed circuit board controls and outputs signals to a monitor?
Audio processing card
Network adapter interface
Storage controller card
Graphics processing unit card
Which printed circuit board is installed so a computer can connect to a wired or wireless network?
Storage expansion card
Network interface card
Graphics accelerator card
Input controller card
A headteacher needs to upload photographs from a personal storage device to the school network. Which two communication methods would be most suitable?
Copy via USB to a workstation
Email the photos to self
Use Bluetooth to the server
Print and scan the photos
A system sometimes loses all unsaved work after a power cut. Which type of memory behavior explains this outcome?
Volatile memory requiring power
Write-protected storage chips
Non-volatile memory retention
Permanent secondary storage
Which function best describes a web browser in everyday use?
Manages user accounts across operating systems
Compiles code to create executable applications
Stores files permanently on local hard drives
Displays and navigates web pages from servers
Which statement correctly distinguishes an intranet from an extranet for a company?
Intranet is internal only; extranet extends access to partners
Intranet uses the Internet; extranet never uses networks
Intranet is public; extranet is strictly private to everyone
Intranet requires passwords; extranet never needs authentication
A student plugs many devices into one power strip until the socket overloads. What safety issue is most likely?
Radiation exposure from power lines
Data loss from corrupted backups
Software crash from driver conflicts
Electrical fire risk due to overheating
Which action is the safest when using drinks near computer equipment?
Place open cups beside the keyboard
Keep liquids away to prevent short circuits
Wipe spills after equipment gets wet
Cover vents to stop spills entering
Cables trailing across a classroom floor can most directly cause which hazard?
Trip and fall accidents for pedestrians
Electromagnetic interference with Wi‑Fi
Excess heat building inside computers
Permanent damage to motherboard chips
A laser printer is positioned at the edge of a table. What is the most likely safety issue?
Equipment falling causing injury
Low toner reducing print quality
Paper jams increasing downtime
Network congestion when printing
Which feature is commonly provided by modern web browsers?
Encrypting entire hard disks automatically
Rendering HTML, CSS, and JavaScript
Editing binary files for firmware
Compiling Java into bytecode
Which network type is best described as a private internal network that uses Internet technologies?
WAN spanning multiple countries
Intranet used within an organization
Extranet open to public visitors
PAN connecting wearable devices
Which feature most increases the strength of a password like Pxz2Y!Cg3?bd?
Includes mixed character types
Uses only lowercase letters
Avoids special symbols entirely
Repeats common dictionary words
What is the primary drawback of complex passwords with many characters and symbols?
Easier to guess by friends
Less compatible with devices
More vulnerable to brute force
Harder to remember reliably
Which example shows two-factor authentication for a laptop login?
Longer password only
Two different passwords
Password plus fingerprint scan
Password changed monthly
Which method is NOT a biometric authentication technique?
PIN entered on keypad
Iris or retina scan
Face recognition camera
Voice pattern analysis
Which pair lists valid biometrics a student could use?
Fingerprint and facial scan
Username and password
Security questions set
Smartcard and PIN code
What is the main purpose of systems analysis in a company?
Encrypt customer emails
Install new hardware
Understand current processes
Train all new staff
Which activity is a method of analysing a current system?
Increase screen brightness
Disable antivirus
Delete old backups
Interview end users
Which combination lists methods used by analysts to gather requirements?
Observation, questionnaires, interviews
Coding, compiling, debugging
Purchasing, billing, shipping
Printing, scanning, photocopying
When storing documentation in the cloud, what enables shared editing by a team?
Local-only file access
Emailing static PDFs
Real-time collaboration tools
Manual USB transfers
Which benefit comes from using cloud storage for project documents?
Requires offline-only access
Accessible from many locations
Locks files to one device
Prevents any version history
Which step best prevents accidental overwriting of shared cloud documents?
Download and edit offline only
Use permissions and versioning
Disable user accounts entirely
Share public anonymous links
What is a practical risk when relying on cloud storage?
Automatic offline availability
No need for internet security
Loss of access during outages
Guaranteed infinite bandwidth
Which statement describes video conferencing for global teams?
Allows live meetings online
Requires same physical room
Removes need for internet
Eliminates all time zones
Which is a disadvantage of video conferencing compared to in-person meetings?
Easier hands-on demonstrations
Complete removal of delays
Guaranteed perfect eye contact
Potential connectivity issues
Which challenge can reduce participation quality in video meetings?
Audio lag and echo
Unlimited local bandwidth
Physical whiteboard use
Direct equipment handling
Which concern relates to security when meeting over video?
Improved coffee quality
Uninvited participants joining
Better room acoustics
More convenient commuting
Which analytical method best collects large-scale feedback from many users quickly?
Focus on server logs
One-on-one interviews
Shadowing a single user
Online questionnaires
Which scenario shows effective use of cloud sharing for a software team?
Only send files via email threads
Store files on one laptop only
Print drafts and mail to offices
Create a shared folder with edit rights
A company wants to verify how staff use the current system in practice. Which approach fits?
Observe workflows on-site
Archive all documents
Upgrade all devices first
Enable guest Wi-Fi only
Which combination forms a strong authentication approach for sensitive access?
Password and biometric factor
Memorable word only
Username and display name
Single short PIN code
Which statement best describes Optical Mark Recognition (OMR)?
Detects filled boxes or bubbles on pre-printed forms
Scans photographs and enhances their color balance
Converts handwritten sentences into editable text files
Reads barcodes and calculates inventory automatically
Which task is most suitable for Optical Character Recognition (OCR)?
Measuring the resolution of a printed image
Counting ticks on a multiple-choice answer sheet
Capturing audio notes from a meeting transcript
Turning a scanned letter into searchable text
Which statement compares OMR and OCR correctly?
OMR reads characters; OCR detects marks on forms
OMR detects marks; OCR identifies characters from images
Both require handwriting recognition; neither scans printed text
Both only read barcodes; neither processes text images
A school wants to mark multiple-choice exams quickly. Which technology is most appropriate?
RFID readers to track student devices
Barcode scanners to verify attendance
OCR to read typed candidate names
OMR to detect shaded answer bubbles
Which is a typical use of OCR in an office workflow?
Recording votes from tick-box election forms
Capturing mark-sense data from surveys
Digitizing printed invoices into editable text
Scanning QR codes on visitor badges
What is the main limitation of OMR compared to OCR?
OMR only detects mark positions, not characters
OMR requires high-resolution images for accuracy
OMR cannot process forms or pre-defined templates
OMR produces editable text but not images
Which best defines an absolute file path?
A path using only file name without extension
A full path starting from the root directory
A path that works only on removable storage
A path relative to the current working folder
Which best defines a relative file path?
A path that includes drive letter and full folders
A path that references the operating system root
A path beginning with a protocol and domain name
A path described from the current location context
Why can absolute paths cause issues for links in locally saved web pages?
They break when moved to different machines or folders
They load faster only on the original computer
They hide file extensions and confuse browsers
They always point to online resources requiring internet
In HTML, what is an anchor most commonly used for?
Marking a target location within a page
Submitting form data to a server
Displaying a modal dialogue to users
Embedding external scripts and styles
Which statement distinguishes an anchor from a hyperlink in HTML?
Anchors are server-side; hyperlinks are client-side only
Anchors require images; hyperlinks work only with text
Anchors open new tabs; hyperlinks only scroll within page
Anchors define destinations; hyperlinks create navigable links
Which HTML use case correctly pairs feature and purpose?
Hyperlink to navigate to another page or resource
Anchor to submit user input to a database
Hyperlink to define a section header identifier
Anchor to download files from external websites
Which scenario best requires a dialogue-based user interface?
Voice prompts guiding a driver to play music
A spreadsheet with complex keyboard shortcuts
A graphics editor with tool palettes and layers
A command-line shell for scripting tasks
What is a dialogue-based user interface?
Text-only commands executed without prompts
Layout based on icons, windows, and drag actions
Interface controlled by programmable macros only
System interacts through a step-by-step conversation
Which is a benefit of a dialogue-based UI for car audio systems?
Hands-free operation via guided prompts
Requires precise command syntax memorization
Offers complex multi-window visual controls
Demands low-latency wired network access
Which is a drawback of a dialogue-based UI in a car?
Slow navigation if prompts are too sequential
Too many icons can overwhelm novice users
Hard to automate tasks using batch scripts
Requires high-resolution monitor for clarity
Which statement about hyperlinks and anchors is accurate?
A hyperlink can point to an anchor within a page
Only anchors can navigate to external websites
Hyperlinks cannot include fragment identifiers
Anchors always require server-side processing
Which file path example is relative on a website?
images/icons/play.png
C:/Users/Ali/Documents/play.png
http://example.com/assets/play.png
/assets/global/play.png
Which file path is absolute in a Windows environment?
./assets/logo.svg
D:/Projects/Web/assets/logo.svg
../assets/logo.svg
assets/logo.svg
Which practice helps prevent broken links when sharing a local website folder?
Use relative paths for internal resource references
Embed resources using base64 strings everywhere
Always include full drive letters in all URLs
Disable caching to force fresh file retrieval
Which feature makes SSDs more resistant to physical shock than HDDs?
No spinning platters or moving heads
Thicker glass disks for durability
Built‑in gyroscope shock dampers
Extra metal casing and screws
Compared to HDDs, SSDs typically offer which performance advantage?
Longer sequential write latency
Faster data access and boot times
Higher maximum spindle speed
More sectors per magnetic track
Which statement best describes media streaming?
Copying media to local storage first
Downloading a file before any playback
Playing content as it is delivered online
Broadcasting over satellite to receivers
A student wants quiet operation for a portable drive. Which device is the better choice?
SSD because it uses magnetic heads
SSD because it has no moving parts
HDD because it spins at low RPM
HDD because fans reduce noise
Which is a common drawback of media streaming for users?
Playback depends on stable bandwidth
Files always consume local storage
Content cannot be paused or rewound
Quality is fixed and never adaptive
Which benefit of streaming helps reduce local storage usage?
Playback requires offline copies
Files are cached permanently
Media is stored on external HDDs
Content plays without full download
An HDD might be preferred over an SSD in which scenario?
Large capacity at lower cost per GB
Lower heat due to no moving parts
Better shock resistance when dropped
Faster random read and write speeds
A video buffers frequently while streaming. What is the most likely cause?
Insufficient network speed or congestion
Outdated codec inside the video file
Small screen resolution on the device
Excess free space on local storage
Which statement compares durability between SSDs and HDDs for portable use?
Both fail equally under vibration
HDDs better tolerate bumps and drops
SSDs better tolerate bumps and drops
Durability depends only on capacity
Why might media streaming be less suitable in areas with data caps?
Streaming disables Wi‑Fi connections
Caps prevent content recommendation
High data usage can exhaust limits
Data caps improve streaming quality
Which characteristic best distinguishes GIF from JPG for web graphics?
JPG uses vector compression with flat color blocks
JPG uses lossless compression with animation support
GIF uses lossless compression with limited colors
GIF uses lossy compression with unlimited colors
Which scenario is most suitable for saving an image as JPG rather than GIF?
A detailed photo with smooth color gradients
A sprite sheet needing few distinct colors
A small icon requiring transparency
An animated banner with simple flat colors
Which feature is commonly supported by GIF but not by standard JPG?
Layered transparency masks
Simple animation frames
High bit-depth color
Progressive vector paths
Why do JPG files often achieve smaller sizes for photographs compared to GIF?
Lossy compression exploits smooth gradients
Lossless compression reduces metadata only
Vectorization removes pixel raster entirely
Palette indexing merges identical edges
Which statement about color handling is accurate?
JPG requires indexed palettes for storage
GIF always stores 24-bit color detail
JPG restricts images to 16 colors
GIF typically uses a 256-color palette
A logo with flat areas and need for transparency should be saved as:
JPG to preserve gradients without loss
JPG to enable animation sequences
GIF to apply lossy photographic compression
GIF to use palette and simple transparency
Which method reduces image file size without changing the format?
Decrease resolution or dimensions
Increase color depth significantly
Add detailed EXIF metadata
Convert raster to high-bit vector
Which approach reduces image size while keeping visible quality acceptable?
Increase JPG compression level moderately
Disable compression for raw storage
Use maximum palette colors for GIF
Duplicate layers to preserve detail
Which change most directly reduces storage size for a large image?
Upscale using bicubic interpolation
Switch RGB to CMYK color mode
Add a watermark layer and caption
Lower the pixel dimensions proportionally
Which statement correctly contrasts GIF and JPG regarding quality loss?
GIF is lossy, JPG is lossless
Both are lossy at high compression
GIF is lossless, JPG is lossy
Both are always lossless formats
Which technique is best for preventing errors when copying data between media?
Skip validation to speed up transfer
Estimate values that look reasonable
Apply spellcheck without source comparison
Use verification methods like double entry
Which method checks whether input values fall within logical ranges?
Encryption during file transfer
Compression to reduce storage
Validation rules like range checks
Proofreading against original source
Which practice reduces manual data entry mistakes before saving records?
Ignore mismatched totals during input
Double entry and reconciliation
Disable all field constraints
Use random auto-fill suggestions
