11) How many 128 x 8 bit RAMs are required to design 32K X 32 bit RAM?
a) 512
b) 128
c) 1024
d) 32
12) The most relevant addressing mode to write position-independent codes is
a) direct mode
b) indirect mode
c) relative mode
d) indexed mode
13) Which memory is difficult to interface with processor?
a) static memory
b) dynamic memory
c) ROM
d) RAM
14) Which of the following is not involved in a memory write operation?
a) MAR
b) PC
C) MDR
d) data bus
15) A system which has lot crashes, data should be written to be disk using
a) write-through
b) write-back
c) both of the above
d) none of the above
16) Which of the following holds data and processing instructions temporarily unit the CPU needs it?
a) ROM
b) control unit
c) main memory
d) coprocessor chips
17) Address mode is_______
a) explicitly specified
b) implied by the instruction
c) both a and b
d) neither a nor b
18) Which of the following affects processing power?
a) data bus capacity
b) addressing scheme
c) clock speed
d) all of the above
19) Both the arithmetic logic unit (ALU) and control selection of CPU employ special purpose storage locations called
a) decoders
b) buffers
c) multiplexer
d) registers
20) Which memory unit has lowest access time?
a) cache
b) registers
c) magnetic disk
d) main memory
Have A Good Day!!