Memory and Storage Questions

• The basic purpose of tristate or open-collector outputs on a memory is to ________.
• A ________ is user-programmable memory that cannot be erased and reprogrammed.
• A device that needs constant refreshing to avoid losing data is a(n) ________.
• The checkerboard pattern test is used to test ________.
• A type of memory that is accessed serially (one location after the other) is a ________.
• A DIMM ________.
• The 2147 4K × 1 static RAM contains 4096 storage locations storing one bit each. ________ 2147 RAM memory chip(s) is/are needed to configure an 8K × 8 memory.
• The address space of a RAM memory can be expanded using a decoder and additional memory ICs. The output of the decoder should be connected to which input line of the memory?
• Information that is stored in a mask ROM ________.
• ROM access time is defined as ________.
• Dynamic memory is memory ________.
• PROMs are programmed by ________ fuses.
• The periodic recharging of dynamic RAM memory cells is called ________.
• A(n) ________ is user programmable and can also be erased electronically and reprogrammed as often as desired.
• Because 4096 = 212, a 4K × 1 RAM requires ________ address bits to access all locations.
• The checksum method is used to test ________.
• A type of read/write memory available with MOS technology is ________.
• The memory operation that stores data into a memory location after entering a new address is called ________.
• When the term RAM is used with semiconductor memories, it usually means ________ as opposed to ROM.
• A DRAM has a RAS and a CAS because ________.