Jamia Millia Islamia Computer Memory Back-up Devices Previous Year Questions (PYQs) – Page 1 of 2
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Showing 13 questions
Which of the following best distinguishes a sequential circuit from a combinational circuit?
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Solution
Sequential circuits depend on both current inputs and past states (memory), unlike combinational circuits.
Which of the following memories need refresh?
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Solution
DRAM cells lose charge over time and must be refreshed.
A name or number used to identify a storage location is called
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Solution
The unique identifier for a memory location is its address.
What is the meaning of EEPROM?
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Solution
EEPROM stands for Electrically Erasable Programmable Read-Only Memory, which can be erased and reprogrammed using electricity.
Which out of these is NOT a type of ROM?
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Solution
Masked ROM, EEPROM, and Flash BIOS are all types of **Read Only Memory (ROM)**.
- **Flash drive** is a type of **secondary storage (non-volatile)** device, not ROM.
Select the next to smallest memory size from the given options:
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Solution
Solution:
Memory size order:
Kilobyte < Megabyte < Gigabyte < Terabyte < **Petabyte** < **Exabyte** < **Zettabyte** < **Yottabyte**
Next to smallest → after Petabyte → **Exabyte**
Which of the following is the fastest among the computer storages?
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Solution
Registers are the fastest type of computer memory because they are directly accessible by the CPU.
RAID stands for:
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Solution
RAID → Redundant Array of Inexpensive Disks.
Which of the following group consists of volatile memory?
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Solution
Volatile memory loses data when power is off.
Both RAM and Cache are volatile memories.
Which memory card format is most widely used in smartphones?
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Solution
Smartphones use microSD (Secure Digital family).
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