Input/Output & Hardware
Which of the following is an output device?
A) Keyboard
B) Mouse
C) Monitor
D) Microphone
C) Monitor
Which device connects a LAN to the internet?
A) Router
B) Switch
C) Hub
D) Firewall
A) Router
What is the base of the binary number system?
A) 2
B) 8
C) 10
D) 16
A) 2
Which is the smallest unit of storage?
A) Byte
B) Bit
C) Kilobyte
D) Megabyte
B) Bit
Which step comes first in troubleshooting?
A) Implement a fix
B) Identify the problem
C) Document results
D) Propose a solution
B) Identify the problem
Which component is often called the "brain" of the computer?
A) CPU
B) RAM
C) GPU
D) NIC
A) CPU
What does a switch use to forward frames?
A) IP Address
B) MAC Address
C) Port Number
D) DNS Name
B) MAC Address
What is the decimal value of binary 1100?
A) 10
B) 11
C) 12
D) 13
C) 12
Which type of memory is erased when power is turned off?
A) ROM
B) Flash
C) RAM
D) SSD
C) RAM
Why is documenting a fix important?
A) So the client sees effort
B) To keep a record for future reference
C) It isn’t necessary
D) To fill out paperwork
B) To keep a record for future reference
Which connector is most commonly used for modern monitors?
A) HDMI
B) USB
C) RJ-45
D) VGA
A) HDMI
Which of these is the most secure Wi-Fi encryption?
A) WEP
B) WPA
C) WPA2
D) WPA3
D) WPA3
Convert decimal 15 into hexadecimal.
A) F
B) E
C) 1F
D) 10
A) F
Which device uses spinning platters to store data?
A) HDD
B) SSD
C) NVMe
D) USB Flash
A) HDD
If a computer won’t boot, which component is best to check first?
A) BIOS/UEFI
B) Printer
C) GPU
D) Network cable
A) BIOS/UEFI
A printer is best classified as:
A) Input
B) Output
C) Processing
D) Storage
B) Output
What type of network covers the largest geographic area?
A) LAN
B) WAN
C) PAN
D) WLAN
B) WAN
Convert hexadecimal “1A” into decimal.
A) 24
B) 25
C) 26
D) 27
C) 26
Which type of storage is best for high-speed random access?
A) Optical
B) HDD
C) SSD
D) Tape
C) SSD
If an application keeps crashing, why replicate the error?
A) To annoy the user
B) To pass time
C) To observe the issue and find cause
D) To avoid the problem
C) To observe the issue and find cause
Which of these is a peripheral device?
A) Motherboard
B) Hard Drive
C) Printer
D) CPU
C) Printer
The primary role of a firewall is to:
A) Provide IP addresses
B) Encrypt data
C) Block/allow traffic based on rules
D) Store network files
C) Block/allow traffic based on rules
What is the binary representation of decimal 20?
A) 10100
B) 10010
C) 11010
D) 11100
A) 10100
Which technology is used in modern SSDs for faster connections?
A) SATA
B) VGA
C) NVMe
D) PCI
C) NVMe
Which of these is a formal troubleshooting step?
A) Panic and replace parts
B) Hypothesis → Test → Implement fix
C) Format the hard drive immediately
D) Ignore and reboot
B) Hypothesis → Test → Implement fix