Computer Quiz
Questions: 16 · 10 minutes
1. A laptop owner wants faster startup and file-loading times without changing the processor. Which replacement is most likely to help?
Replace the Wi-Fi router with a network switch
Replace the keyboard with a mechanical keyboard
Replace the display cable with an HDMI cable
Replace the hard disk drive with a solid-state drive
2. Which component primarily executes instructions and performs calculations for a computer?
Central processing unit (CPU)
Random-access memory (RAM)
Solid-state drive (SSD)
Power supply unit (PSU)
3. What does a compiler typically do?
It encrypts every file created by a program
It translates source code into another form, often machine code or an intermediate representation
It stores source code in a remote database
It manages wireless connections between devices
4. A colleague needs a plain-text table that can be imported into many spreadsheet and database programs. Which file format is most suitable?
PNG
MP3
CSV
EXE
5. What is an algorithm?
A defined sequence of steps for solving a problem or completing a task
A physical connection used to attach peripherals
A type of permanent computer memory
A visual defect caused by a damaged monitor
6. A team uses software hosted by a provider and accesses it through web browsers instead of installing and maintaining it on each office computer. Which concept does this best illustrate?
Local file fragmentation
Firmware overclocking
Cloud-based software as a service
Peer-to-peer peripheral sharing
7. Which description best defines an operating system?
A service that indexes websites for online searches
A program used only to create text documents
A physical component that stores electrical power
Software that manages hardware resources and provides services for applications
8. In a spreadsheet, a tax rate is stored in cell B1. A formula will be copied down many rows, and every row must continue to use B1. Which reference should the formula use?
$B$1
B$1:B$1
B1:B1
B2
9. What does HTTPS primarily add to communication between a web browser and a website?
Guaranteed accuracy of every claim on the website
Permanent protection from malware downloads
Faster processor performance on the user's device
Encrypted communication and authentication using TLS
10. A computer becomes sluggish when many applications and browser tabs are open, but storage space is still plentiful. Which upgrade would most directly help?
A higher-resolution monitor
A larger external storage drive
A faster network adapter
More RAM
11. Which backup approach offers the best resilience if ransomware encrypts files on a computer and its connected drives?
Keeping a second copy in another folder on the same drive
Maintaining a disconnected or properly protected backup in addition to other copies
Moving the files from the desktop to the documents folder
Renaming important files so malware cannot recognize them
12. A website loads when its numerical IP address is entered but not when its domain name is used. Which system is the most likely source of the problem?
Bluetooth
Graphics processing unit (GPU)
Domain Name System (DNS)
File compression
13. Someone types a website address into Chrome and views the page. What role is Chrome performing?
Operating as a search engine that owns the page
Acting as a web browser that retrieves and displays web content
Serving as the computer's operating system
Functioning as the website's hosting server
14. An email claiming to be from your bank urges you to click a link and confirm your password immediately. What is the safest response?
Avoid the link and contact the bank through its official website or phone number
Reply to the email and ask whether it is genuine
Forward it to friends to see whether they received it
Click the link but leave the password field blank
15. In common computing terminology, how many bits make up one byte?
2
8
16
1,024
16. A desktop can communicate with other devices on its home network but cannot reach any internet services. Other home devices are online. Which setting should be checked first on the desktop?
Its keyboard language layout
Its screen resolution and refresh rate
Its default gateway and related network configuration
Its audio output device