• 1. The time required for the computer to locate and transfer
    data in the storage device is called the data_______ time.
    a) sequence; b) access; c) value
    2. ______ memories have no moving parts.
    a) electronic; b) mechanical; c) electromechanical
    3. Magnetic______ were the main elements used for primary memory in digital computers for
    many years.
    a) cores; b) tapes; c) disks
    4. ______ is more commonly used for memory at present.
    a) bipolar semiconductor; b) MOS; c) field-effect transistor
    5. Magnetic disks constitute the______ storage media.
    a) internal; b) primary; c)secondary
    6. Data are stored in______ codes in primary as well as insecondary storage.
    a) digital; b) binary; c) numerical
    7. Data access time is ______ in electronic memories than
    that in electromechanical memories.
    a) longer; b) much longer; c) shorter
    8. Electronic memories have ______ capacities for data storage.
    a) more; b) larger; c) less

Ответы 1

  • 1b. access2a. electronic3a. cores4b. MOS5c. secondary6b. binary7c. shorter8 - Непонятны варианты ответов. В сравнении с чем?
  • Добавить свой ответ

Еще вопросы

Войти через Google

или

Забыли пароль?

У меня нет аккаунта, я хочу Зарегистрироваться

How much to ban the user?
1 hour 1 day 100 years