WorksheetsCC25_3A
Total questions: 20
Worksheet time: 10mins
What is the term for the physical components that allow your device to operate properly?
hardware
software
firmware
malware
What is the 'brains' of the computer that processes input into output?
central processing unit (CPU)
random access memory (RAM)
hard disk drive (HDD)
power supply unit (PSU)
What unit performs arithmetic and logical operations inside the CPU?
arithmetic logic unit (ALU)
control unit (CU)
memory management unit (MMU)
register array
What manages the flow of instructions in the processor?
control unit
arithmetic logic unit
register
cache
What is the small, fast memory near the processor for frequently used data called?
processor cache
hard disk
RAM
register
What type of processor has multiple cores that can run tasks simultaneously?
multi-core processor
single-core processor
graphics processor
embedded processor
What is the speed at which a processor executes instructions, measured in MHz or GHz?
clock speed
bus width
cache size
instruction set
What is the smallest unit of time a process can measure called?
cycle
second
minute
epoch
What are the wires that data travels along to and from the CPU called?
bus
circuit
chip
register
What is the amount of data that can travel at once, affecting speed, called?
bus width (word size)
clock speed
cache size
instruction set
What is a number system with only 0s and 1s, used by all computers?
binary system
decimal system
octal system
hexadecimal system
What is the smallest unit of data (0 or 1) called?
bit
byte
nibble
word
What do you call 8 bits grouped together, representing a character?
byte
nibble
word
kilobyte
What is an 8-bit coding system for text and symbols?
ASCII
Unicode
EBCDIC
Morse Code
What is a 16-bit coding system that supports over 65,000 symbols/characters?
Unicode
ASCII
EBCDIC
Morse Code
What is the temporary, volatile memory storing active apps and data called?
random access memory (RAM)
read-only memory (ROM)
hard disk drive (HDD)
flash memory
What is the permanent memory with startup instructions (BIOS) called?
read-only memory (ROM)
random access memory (RAM)
cache memory
flash memory
What uses part of the hard drive to act like RAM?
virtual memory
cache memory
ROM
BIOS
What is a file on the hard disk used when RAM is full called?
paging file (swap file)
boot file
system log
cache file
What are permanent instructions stored on ROM chips, sometimes updated, called?
firmware
hardware
software
middleware
