With 60 Questions and answers latest edition
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Hardware - Correct Answers Computer case, keyboard, and monitor
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II! Sofware - Correct Answers Organized information in the form of operating systems, utilities,
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II! programs, and applications that enable computers to work.
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II! Information Technology (IT) - Correct Answers Any computer-based tool that people use to
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II! work with information and support the information and information-processing needs of an
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II! organization
II! Central Processing Unit (CPU) - Correct Answers Brain of the computer that performs
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II! instructions defined by software II! II! II!
II! Hard Disk - Correct Answers A data storage unit inside a computer that can store a large
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II! quantity of data (60GB or more)
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II! Input - Correct Answers Data that is entered into the computer system via an input or storage
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II! device.
II! Output - Correct Answers Data that is send out of the computer.
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II! Peripheral Device - Correct Answers Devices that communicate with the CPU but are not
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II! located directly on the motherboard(not part of the computer), such as the monitor, floppy drive,
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II! printer, and mouse. II! II!
, II! CPU Speed - Correct Answers Measured in MHz (Megahertz) or GHz (Gigahertz).
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Also referred to as the CPU clock.
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II! RAM Speed - Correct Answers Measure in MHz or Bytes. This measured the amount of time it
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II! takes the module to deliver a data request
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II! CPU Functions - Correct Answers Fetch, Decode, Execute and Store
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II! Fetch - Correct Answers Each instruction is stored in memory and has its own address. The
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II! processor takes this address number from the program counter, which is responsible for tracking
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II! which instructions the CPU should execute next.
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II! Decode - Correct Answers Decode: All programs to be executed are translated to into Assembly
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II! instructions. Assembly code must be decoded into binary instructions, which are understandable II! II! II! II! II! II! II! II! II! II! II!
II! to your CPU. This step is called decodin
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II! Execute - Correct Answers While executing instructions the CPU can do one of three things: Do
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II! calculations with its ALU, move data from one memory location to another, or jump to a different
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II! address.
II! Store - Correct Answers The CPU must give feedback after executing an instruction, and the
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II! output data is written to the memory. II! II! II! II! II! II!
II! Random Access Memory(RAM) & Read Only Memory (ROM) - Correct Answers RAM is used for
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II! both read and write while ROM is used only for reading.
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II! Random Access Memory(RAM) & Read Only Memory (ROM) - Correct Answers RAM is volatile
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II! and is erased when the computer is switched off. ROM is non-volatile and generally cannot be
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II! written to. II!