Architecture Exam Questions &
Answers (Grade A+) 2026
Central Processing Unit (CPU) -
correct answer ✅responsible for fetching program instructions,
decoding each instruction that is fetched, and performing the
indicated sequence of operations on the correct data
Datapath -
correct answer ✅a network of storage units (registers) and
arithmetic and logic units (for performing various operations on
data) connected by buses (capable of moving data from place to
place) where the timing is controlled by clocks.
Control unit -
correct answer ✅a module responsible for sequencing operations
and making sure the correct data are where they need to be at the
correct time
Register -
correct answer ✅a hardware device that stores binary data
Arithmetic Logic Unit (ALU) -
correct answer ✅carries out logic operations (such as
, Computer Organization and
Architecture Exam Questions &
Answers (Grade A+) 2026
comparisons) and arithmetic operations (such as add or multiply)
required during the program execution
Status Register -
correct answer ✅a special register that monitors and records
special conditions such as overflow, carries, and borrows
Control Unit -
correct answer ✅the part of the CPU that controls execution of
instructions, movement of data, and timing.
Program counter -
correct answer ✅register to find the next instruction for execution
and status register to keep track of overflows, carries, borrows, and
the like
Bus -
correct answer ✅a set of wires that acts as a shared but common
datapath to connect multiple subsytems within the system