Correct Answers
Computer's Hardware - CORRECT ANSWER✔✔The physical equipment used for the input,
processing, output, and storage activities of a computer system
Central Processing Unit (CPU) - CORRECT ANSWER✔✔manipulates the data and controls the
tasks performed by the other components
Primary Storage - CORRECT ANSWER✔✔temporarily stores data and program instructions
during processing
Secondary Storage - CORRECT ANSWER✔✔stores data and programs for future use
Input Technologies - CORRECT ANSWER✔✔Accept data and instructions and convert them to a
form that the computer can understand
Output technologies - CORRECT ANSWER✔✔present data and information in a form people can
understand
Communication technologies - CORRECT ANSWER✔✔provide the flow of data from external
computer networks (Internet) to the CPU, and from the CPU to computer networks
Types of Servers - CORRECT ANSWER✔✔Supercomputers, mainframe computers
Supercomputers - CORRECT ANSWER✔✔the fastest computers available at any time.
,Who uses supercomputers? - CORRECT ANSWER✔✔Due to the high cost they are generally
used by large organizations (military, scientific research) to execute computationally demanding
tasks involving large data
Mainframe Computers - CORRECT ANSWER✔✔computers at the high end of the performance
and reliability scales and can handle millions of transactions per day
Types of Clients - CORRECT ANSWER✔✔microcomputers (desktop PCs), laptops, tablets,
wearable clients
Microcomputers - CORRECT ANSWER✔✔the smallest and least expensive category of general-
purpose computers
Laptops - CORRECT ANSWER✔✔small, easily transportable, lightweight microcomputers
Tablets - CORRECT ANSWER✔✔a complete computer contained entirely in a flat touchscreen
Wearable clients - CORRECT ANSWER✔✔apple watch
Types of Primary Memory (main memory) - CORRECT ANSWER✔✔register memory, cache
memory, random access memory (RAM), read only memory (ROM)
Cache Memory - CORRECT ANSWER✔✔Primary memory- High speed memory that enables the
computer to temporarily store blocks of data that are used more frequently
Register Memory - CORRECT ANSWER✔✔Primary Memory- part of the CPU. Has the least
capacity and stores data only immediately before and after processing. located closer to CPU
than the RAM
, Random Access Memory (RAM) - CORRECT ANSWER✔✔Primary memory- holds a software
program and small amounts of data for processing
Read only Memory (ROM) - CORRECT ANSWER✔✔Primary Memory- type of chip where certain
critical instructions are held and retains these instructions even when the computer is off
Types of Secondary Storage - CORRECT ANSWER✔✔Magnetic tape, magnetic discs, solid state
drives (SSD), Optical storage devices, Flash memory (memory cards)
Magnetic tape - CORRECT ANSWER✔✔secondary storage- on a large open reel or in a smaller
cartridge or cassette
Magnetic Discs - CORRECT ANSWER✔✔secondary storage- most widely used
Solid state drives (SSD) - CORRECT ANSWER✔✔secondary storage- serve the same purpose as a
hard drive and store data in memory chips, but do not have moving parts
Optical storage devices - CORRECT ANSWER✔✔secondary storage- laser reads the surface of a
reflective plastic platter
Flash Memory (memory cards) - CORRECT ANSWER✔✔nonvolatile electronic storage devices
with no moving parts and use 30x less battery power than hard drives
Advantages of flash memory - CORRECT ANSWER✔✔smaller and more durable than hard drives
Types of computer memory - CORRECT ANSWER✔✔primary memory (main memory),
secondary memory