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WorksheetsQ1_CPT08_BSIT2B
Total questions: 25
Worksheet time: 13mins
Part I – Multiple Choice: What best describes a computer system?
A machine that only stores data
An electronic system that processes data into information
A device used only for internet access
A software application
Part I – Multiple Choice: Which of the following is NOT part of the basic computer components?
Input devices
Processing unit
Network cable
Output devices
Part I – Multiple Choice: The IPO model stands for:
Input–Process–Output
Internal–Program–Output
Input–Peripheral–Output
Instruction–Process–Operation
Part I – Multiple Choice: Which component is considered the “brain of the computer”?
RAM
Hard Disk
CPU
Monitor
Part I – Multiple Choice: Which CPU component performs arithmetic and logic operations?
Control Unit
Registers
ALU
Memory Unit
Part II – True or False: RAM is a non-volatile type of memory.
True
False
Part II – True or False: ROM retains data even when the computer is turned off.
True
False
Part II – True or False: The Control Unit directs the operations of the CPU.
True
False
Part II – True or False: Secondary storage includes HDD, SSD, and flash drives.
True
False
Part II – True or False: Input devices allow users to see the results of processing.
True
False
Part III – Identification: The subsystem that handles communication with external devices is the ________.
Input/Output subsystem
Control unit
Arithmetic unit
Memory hierarchy
Part III – Identification: A common interface used to connect keyboards and flash drives is ________.
USB
VGA
SATA
PCIe
Part III – Identification: Memory used for temporary storage during processing is called ________.
RAM
ROM
Cache memory
Hard disk
Part III – Identification: The system bus includes data bus, address bus, and ________ bus.
Control
Power
Expansion
Serial
Part III – Identification: Interfaces that connect expansion cards are called ________.
Expansion slots
Ports
Sockets
Headers
Part III – Identification: The logical structure of a computer system based on Input–Process–Output is called the ________ model.
IPO
Von Neumann
Client–Server
OSI
Part III – Identification: The CPU component that provides temporary storage for instructions and data is called ________.
Registers
Cache
ALU
Control unit
Part III – Identification: A type of primary memory that is volatile is ________.
RAM
ROM
Flash
EEPROM
Part III – Identification: The interface commonly used to connect display devices such as monitors is ________.
HDMI
SATA
USB
RJ45
Part III – Identification: Devices such as printers and speakers belong to the ________ devices category.
Output
Input
Storage
Processing
Part IV – Short Answer: Why is the CPU called the brain of the computer?
It performs most processing and controls system operations by executing instructions
It stores all user files permanently
It displays results to users through a screen
It supplies electrical power to all components
Part IV – Short Answer: What happens if RAM fails?
The computer may fail to boot or crash frequently due to loss of working memory
The hard disk becomes read-only but the system runs normally
The monitor permanently stops receiving a video signal
The CPU temperature immediately drops to unusually low levels
Part IV – Short Answer: Give two examples of input devices.
Keyboard and mouse
Monitor and printer
CPU and RAM
Speaker and projector
Part IV – Short Answer: What is the main function of peripheral interfaces?
To enable communication between the computer system and external devices
To cool the CPU using thermal controls
To permanently store the operating system
To display visual output to the user
Part IV – Short Answer: Why are peripheral interfaces important in computer servicing?
They ensure devices can be connected, tested, and replaced during troubleshooting and upgrades
They remove the need to install any device drivers
They automatically increase the CPU clock speed
They encrypt all user data by default
