ASSESSMENT (OA) 2026/2027 | REAL COMPLETE
100-QUESTION STUDY GUIDE & PRACTICE
EXAM WITH ANSWERS INSTANT PDF
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Computer Hardware
1. Which component is considered the “brain” of the computer?
A. RAM
B. CPU
C. GPU
D. SSD
2. Which type of memory is volatile and loses data when power is off?
A. RAM
B. SSD
C. ROM
D. HDD
3. What type of storage is non-volatile and faster than HDD?
A. RAM
B. SSD
C. Cache
D. Optical drive
4. Which device is used to input text into a computer?
A. Keyboard
B. Monitor
C. Printer
D. Speaker
5. What is the main function of a GPU?
A. Manage storage
B. Execute programs
, C. Render graphics
D. Handle networking
Operating Systems
6. Which of the following is NOT a function of an operating system?
A. Manage memory
B. Execute applications
C. Provide user interface
D. Manufacture CPU chips
7. Linux is an example of which type of software?
A. Application software
B. Operating system
C. Firmware
D. Utility software
8. Which Windows file system supports large drives and file permissions?
A. FAT32
B. NTFS
C. EXT4
D. HFS+
9. Multitasking in an OS refers to:
A. Running multiple devices
B. Running multiple programs simultaneously
C. Installing multiple operating systems
D. Managing user accounts
10. Which OS is open-source?
A. Linux
B. Windows
C. macOS
D. iOS
Networking Basics
, 11. Which protocol is used to securely browse websites?
A. HTTP
B. FTP
C. HTTPS
D. SMTP
12. What does LAN stand for?
A. Local Area Network
B. Large Access Node
C. Logical Access Network
D. Limited Area Network
13. Which device connects multiple devices in a network and forwards
data between them?
A. Modem
B. Access point
C. Switch
D. Printer
14. DNS is used to:
A. Assign IP addresses to devices
B. Convert domain names to IP addresses
C. Secure network traffic
D. Monitor bandwidth
15. What type of IP address is visible on the internet?
A. Private IP
B. Public IP
C. Subnet mask
D. MAC address
Cybersecurity
16. A type of malware that disguises itself as legitimate software is
called:
A. Worm
B. Trojan horse