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MCQs

Total Questions : 215 | Page 13 of 22 pages
Question 121. . Which type of ROM can be erased by an electrical signal?
  1.    ROM
  2.    mask ROM
  3.    EPROM
  4.    EEPROM
 Discuss Question
Answer: Option D. -> EEPROM
Question 122. . Data is written to and read from the disk via a magnetic ________ head mechanism in the floppy drive.
  1.    cylinder
  2.    read/write
  3.    recordable
  4.    cluster
 Discuss Question
Answer: Option B. -> read/write
Question 123. . When a RAM module passes the checkerboard test it is:
  1.    able to read and write only 1s.
  2.    faulty.
  3.    probably good.
  4.    able to read and write only 0s.
 Discuss Question
Answer: Option C. -> probably good.
Question 124. . How many address lines would be required for a 2K × 4 memory chip?
  1.    8
  2.    10
  3.    11
  4.    12
 Discuss Question
Answer: Option C. -> 11
Question 125. . A 64-Mbyte SIMM is installed into a system, but when a memory test is executed, the SIMM is detected as a 32-Mbyte device. What is a possible cause?
  1.    The memory module was not installed properly.
  2.    The voltage on the memory module is incorrect.
  3.    The most significant address line is stuck high or low.
  4.    The address decoder on the SIMM is faulty.
 Discuss Question
Answer: Option D. -> The address decoder on the SIMM is faulty.
Question 126. . Which type of ROM has to be custom built by the factory?
  1.    ROM
  2.    mask ROM
  3.    EPROM
  4.    EEPROM
 Discuss Question
Answer: Option B. -> mask ROM
Question 127. . A major disadvantage of the mask ROM is that it:
  1.    is time consuming to change the stored data when system requirements change
  2.    is very expensive to change the stored data when system requirements change
  3.    cannot be reprogrammed if stored data needs to be changed
  4.    has an extremely short life expectancy and requires frequent replacement
 Discuss Question
Answer: Option C. -> cannot be reprogrammed if stored data needs to be changed
Question 128. . The periodic recharging of DRAM memory cells is called ________.
  1.    multiplexing
  2.    bootstrapping
  3.    refreshing
  4.    flashing
 Discuss Question
Answer: Option C. -> refreshing
Question 129. . What is the computer main memory?
  1.    Hard drive and RAM
  2.    CD-ROM and hard drive
  3.    RAM and ROM
  4.    CMOS and hard drive
 Discuss Question
Answer: Option C. -> RAM and ROM
Question 130. . Which of the following is normally used to initialize a computer system's hardware?
  1.    Bootstrap memory
  2.    Volatile memory
  3.    External mass memory
  4.    Static memory
 Discuss Question
Answer: Option A. -> Bootstrap memory

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