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Introduction to Computer Chapter 2: Data Manipulation

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Introduction to Computer Chapter 2: Data Manipulation
46問 • 1年前умираюююю
  • t1bial
  • 通報

    問題一覧

  • 1

    CPU-

    central processing unit

  • 2

    CPU consists of:

    logic unit, control unit, registers, cache memory

  • 3

    Logic unit ….

    performs operation

  • 4

    control unit….

    coordinates machine’s activities

  • 5

    registers -

    hold data immediately applicable to the operation, temporary storage of information within CPU

  • 6

    ?-keeps a copy of some portion of main memory of current interest

    cache memory

  • 7

    ?-collection of wires, transferring bit patterns

    bus

  • 8

    types of Memory:

    registers, main memory, mass storage, cache memory

  • 9

    main memory

    holds data that will be needed in the near future

  • 10

    ?- holds data that will likely not be needed in the immediate future

    mass storage

  • 11

    the idea of storing a computer’s program in its main memory

    stored-program concept

  • 12

    an instruction (or command) encoded as a bit patterm recognizable by the CPU

    machine instruction

  • 13

    the set of all instructions recognized by a machine

    machine language

  • 14

    what are machine language philosophies?

    RISC, CISC

  • 15

    RISC-?

    reduced instruction set computing

  • 16

    CISC-?

    complex instruction set computing

  • 17

    machine instruction types:

    data transfer, arithmetic/logic, control

  • 18

    ?- copy data from one location to another

    data transfer

  • 19

    what type of machine instruction performs operation?

    arithmetic/logic

  • 20

    ?- direct the execution of the program

    control

  • 21

    Machine Instruction can be divided in 2 parts:

    op-code, operand

  • 22

    ?- specifies which operation to execute

    op-code

  • 23

    ?- gives more detailed information about the operation

    operand

  • 24

    Program execution is controled by two special-purpose registers:

    program counter, instruction register

  • 25

    program counter-?

    address of the next instruction

  • 26

    instruction register-?

    current instruction

  • 27

    Each machine cycle consists of 3 steps:

    fetch, decode, execute

  • 28

    ?- copies memory cells to instruction register

    fetch

  • 29

    ?- decodes the bit pattern in the instruction register

    decode

  • 30

    performs the operation

    execute

  • 31

    Controller-?

    an intermediary apparatus that handles the connection between the computer and a device

  • 32

    Port-?

    the point at which a device connects to the computer

  • 33

    ?-CPU communicates with peripheral devices as though they were memory cells.

    Memory-mapped I/O

  • 34

    DMA-?

    direct memory access

  • 35

    ?- Insufficient bus speed performance

    Von Neumann Bottleneck

  • 36

    ?- the process of coordinating the transfer of data between two components (e.g computer and printer)

    handshaking

  • 37

    3 of communication:

    serial communication, parallel communication, multiplexing

  • 38

    ?- bits are transferred one after another over a single communication path

    serial communication

  • 39

    ?-several communication paths transfer bits simultaneously

    parallel communication

  • 40

    ?- interleaving data so that different data can be transmitted over a single communication path

    multiplexing

  • 41

    bandwith:

    maximum available rate

  • 42

    kibibite equals to :

    1024 bytes

  • 43

    throughput:

    total amount of work machine can accomplish in a given amount of time

  • 44

    pipelining-?

    overlap steps of the machine cycle

  • 45

    parallel processing:?

    using multiple processors simultaneously

  • 46

    parallel processing 3 types:

    SISD, MIMD, SIMD

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    問題一覧

  • 1

    CPU-

    central processing unit

  • 2

    CPU consists of:

    logic unit, control unit, registers, cache memory

  • 3

    Logic unit ….

    performs operation

  • 4

    control unit….

    coordinates machine’s activities

  • 5

    registers -

    hold data immediately applicable to the operation, temporary storage of information within CPU

  • 6

    ?-keeps a copy of some portion of main memory of current interest

    cache memory

  • 7

    ?-collection of wires, transferring bit patterns

    bus

  • 8

    types of Memory:

    registers, main memory, mass storage, cache memory

  • 9

    main memory

    holds data that will be needed in the near future

  • 10

    ?- holds data that will likely not be needed in the immediate future

    mass storage

  • 11

    the idea of storing a computer’s program in its main memory

    stored-program concept

  • 12

    an instruction (or command) encoded as a bit patterm recognizable by the CPU

    machine instruction

  • 13

    the set of all instructions recognized by a machine

    machine language

  • 14

    what are machine language philosophies?

    RISC, CISC

  • 15

    RISC-?

    reduced instruction set computing

  • 16

    CISC-?

    complex instruction set computing

  • 17

    machine instruction types:

    data transfer, arithmetic/logic, control

  • 18

    ?- copy data from one location to another

    data transfer

  • 19

    what type of machine instruction performs operation?

    arithmetic/logic

  • 20

    ?- direct the execution of the program

    control

  • 21

    Machine Instruction can be divided in 2 parts:

    op-code, operand

  • 22

    ?- specifies which operation to execute

    op-code

  • 23

    ?- gives more detailed information about the operation

    operand

  • 24

    Program execution is controled by two special-purpose registers:

    program counter, instruction register

  • 25

    program counter-?

    address of the next instruction

  • 26

    instruction register-?

    current instruction

  • 27

    Each machine cycle consists of 3 steps:

    fetch, decode, execute

  • 28

    ?- copies memory cells to instruction register

    fetch

  • 29

    ?- decodes the bit pattern in the instruction register

    decode

  • 30

    performs the operation

    execute

  • 31

    Controller-?

    an intermediary apparatus that handles the connection between the computer and a device

  • 32

    Port-?

    the point at which a device connects to the computer

  • 33

    ?-CPU communicates with peripheral devices as though they were memory cells.

    Memory-mapped I/O

  • 34

    DMA-?

    direct memory access

  • 35

    ?- Insufficient bus speed performance

    Von Neumann Bottleneck

  • 36

    ?- the process of coordinating the transfer of data between two components (e.g computer and printer)

    handshaking

  • 37

    3 of communication:

    serial communication, parallel communication, multiplexing

  • 38

    ?- bits are transferred one after another over a single communication path

    serial communication

  • 39

    ?-several communication paths transfer bits simultaneously

    parallel communication

  • 40

    ?- interleaving data so that different data can be transmitted over a single communication path

    multiplexing

  • 41

    bandwith:

    maximum available rate

  • 42

    kibibite equals to :

    1024 bytes

  • 43

    throughput:

    total amount of work machine can accomplish in a given amount of time

  • 44

    pipelining-?

    overlap steps of the machine cycle

  • 45

    parallel processing:?

    using multiple processors simultaneously

  • 46

    parallel processing 3 types:

    SISD, MIMD, SIMD