COMPUTER AWARENESS - MEMORY MCQS SET 68

COMPUTER AWARENESS - MEMORY MCQS SET 68

1. Which of the following is normally used to initialize a computer system's hardware?
A.Bootstrap memory        B.Volatile memory        C.External mass memory   
D.Static memory
Answer: Option A

2. What is the difference between static RAM and dynamic RAM?
A.Static RAM must be refreshed, dynamic RAM does not.
B.There is no difference.
C.Dynamic RAM must be refreshed, static RAM does not.
Answer: Option C

3. Microprocessors and memory ICs are generally designed to drive only a single TTL load. Therefore, if several inputs are being driven from the same bus, any memory IC must be ________.
A.buffered        B.decoded        C.addressed            D.stored
Answer: Option A

4. What are the typical values of tOE?
A.10 to 20 ns for bipolar        

B.25 to 100 ns for NMOS        

C.12 to 50 ns for CMOS
D.All of the above
Answer: Option D

5. Which type of ROM can be erased by UV light?
A.ROM            B.mask ROM        C.EPROM        D.EEPROM
Answer: Option C

6. Which of the following is NOT a type of memory?
A.RAM            B.ROM            C.FPROM        D.EEPROM
Answer: Option C
7. How many address bits are required for a 4096-bit memory organized as a 512 × 8 memory?
A.2        B.4        C.8        D.9
Answer: Option D

8. In general, the ________ have the smallest bit size and the ________ have the largest.
A.EEPROMs, Flash    B.SRAM, mask ROM        C.mask ROM, SRAM        D.DRAM, PROM
Answer: Option A

9. Advantage(s) of an EEPROM over an EPROM is/are:
A.the EPROM can be erased with ultraviolet light in much less time than an EEPROM
B.the EEPROM can be erased and reprogrammed without removal from the circuit
C.the EEPROM has the ability to erase and reprogram individual words
D.the EEPROM can be erased and reprogrammed without removal from the circuit, and can erase and reprogram individual words
Answer: Option D

10. The mask ROM is ________.
A.permanently programmed during the manufacturing process            B.volatile
C.easy to reprogram                                D.extremely expensive
Answer: Option A