CSE 100 Test 1 Questions with complete solution 2025/2026

CSE 100 Test 1 Questions with
complete solution 2025/2026
Main Hardware Component Categories - correct answer ✔-Central Processing Unit (CPU)

-Main memory (RAM)

-Secondary storage devices

-Input Devices

-Output Devices



CPU - correct answer ✔-Hardware component that runs programs

-Includes (1) Control Unit and (2) Arithmetic & Logic Unit (ALU)



Control Unit - correct answer ✔Part of CPU that:

-Retrieves and decodes program instructions

-Coordinates computer operations



Arithmetic & Logic Unit (ALU) - correct answer ✔Part of CPU that:

-Performs mathematical operations



Main Memory - correct answer ✔-Holds both program instructions and data

-Volatile: erased when program terminates or

computer is turned off

-Also called Random Access Memory (RAM)



Bit - correct answer ✔-Smallest piece of memory

, -Stands for binary digit

-Has values 0 (off) or 1 (on)



Byte - correct answer ✔-Is 8 consecutive bits

-Has an address



Secondary storage devices - correct answer ✔-Non-volatile: data retained when program is not

running or computer is turned off

-Comes in a variety of media

-magnetic: hard disk drive, internal or external

-optical: CD or DVD drive

-flash: USB flash drive



Input Devices - correct answer ✔-Used to send information to the computer from

outside

-Many devices can provide input

-keyboard, mouse, microphone, scanner, digital camera, disk drive, CD/DVD drive, USB flash drive



Output Devices - correct answer ✔-Used to send information from the computer to the outside

-Many devices can be used for output, for example, Computer screen, printer, speakers, USB flash drive,
etc



Software Categories - correct answer ✔-System software

-Application software