Hey Guys Welcome to CSE Study247,Todya I am provide you Computer Organization & Architecture MCQs SET-2 which is very useful for many exam.
Q.21 Dynamic RAM consumes ——–power and ——– then the static ram ?
ANSWER= (C) Less,slower
Q.22 Which flog of the 8085 flag register is not accessible to programmer directly ?
ANSWER= (C) Auxiliary carry flag
Q.23 Cache memory work on the princple of ?
ANSWER= (A) Locality of refrence
Q.24 Which of the memory holds the information when the power supply is switched off?
ANSWER= (C) EEROM
Q.25 Which of the following interrupt is markable?
ANSWER= (B) RST7.5
Q.26 Cycle stealing technic is used in?
ANSWER= (B) DMA based data transfer
Q.27 Which of the following is not a characteristic
ANSWER= (A) Large instruction set
Q.28 Associative memory is some time called as?
ANSWER= (A) Content addressable memory
Q.29 Floating point representation is used to store
ANSWER= (C) Real numbers
Q.30 What characteristic of RAM memory makes it not suitable for permanent storage ?
ANSWER= (D) Unreliable
Q.31 An instruction code is ?
ANSWER= (A) A group of bits that instruct the computer to perform specific operation
Q.32 The program counter holds the address of
ANSWER= (B) The next instruction to be read from memory
Q.33 The function of the control unit in digital computer is?
ANSWER= (A) To initiate sequence of micro operation
Q.34 A memory that is the part of a control unit is know as ?
ANSWER= (D) Control memory
Q.35 A group of eight is known as ?
ANSWER= (B) A byte
Q.36 The tendency of a processor to access the same set of memory loacations repetively over a short period of time is known as?
ANSWER= (B) Locality of reference
Q.37 The CPU state is saved in the event of a transfer control
ANSWER= (C) During execution of an instruction due to an interrupt cycle
Q.38 A computer use RAM chips of 1024*1 capacity,How many chips are needed to provide a memory capacity of 16 k bytes
ANSWER= (B) 32
Q.39 The instruction that does not need any address field is ?
ANSWER= (D) Zero address instruction
Q.40 Booth,algorithm is used for ?
ANSWER= (A) Multiplication
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