<<--BACK
31-Time
for which D-input of D-FF must not change after clock is applied is
known as-Hold time.
32-How many
memory chips of (128 x 8) are needed to provide memory capacity of
4096x16? 64
33-In addition
of two signed numbers, represented in 2' s complement form generates an
overflow if-A B 1
34-Addition of
(1111)2 to a 4 bit binary number 'a' results:- No change
35-In a
microprocessor system, suppose. TRAP, HOLD, RESET Pin got activated
at the same time, while the processor was executing some instructions,
then it will first respond to-None
36-Pseudo
instructions are-Machine instructions
37-An attempt
to access a location not owned by a Program is called-Address fault
38-Dynamic RAM
consumes _Less_ Power and _Slower_ then the Static RAM.
39-Which flag
of 8085's flag register is not accessible to programmer directly?Auxiliary
carry flag
40-Cache
memory works on the principle of-Locality of reference
41- Which of
the following is a Pseudo instruction?- END
42- A
demultiplexer can be used as- Decoder
43- Excess-3
equivalent representation of (1234)H is- (4567)Ex-3
44- Which of
the memory holds the information when Power Supply is switched off?- EEROM
45- Minimum
no. of NAND gate required to implement a Ex-OR function is- 4
46- Which of
the following interrupt is maskable?- RST 7.5
47- Which of
the following expression is not equivalent to x?- x NOR 1
48- Word 20
contains 40 ; Word 30
contains 50 ; Word 40
contains 60 ; Word 50
contains 70
Which of the
following instructions does not, load 60 into the Accumulator- Load direct 30
49- An interrupt
for which hardware automatically transfers the program to a specific memory
location is known as- Hardware interrupt
50- Synchronous
means at the same time
51- 'n' Flip
flops will divide the clock frequency by a factor of- n
52- In DMA the
data transfer is controlled by- I/O devices
53- The number
of instructions needed to add a numbers an store the result in memory using
only one address instruction is- Independent of n
54- Negative
numbers cannot be represented in- 2's complement form
55- Which of
the following architecture is/are not suitable for realizing SIMD- Von Neumann
56- In Boolean
expression A+BC equals- (A+B)(A+C)
57- A JK
flip-flop can be implemented using D flip-flop connected such that-(A+B)(A+c)
58- An
effective solution to the power consumption problem lies in using transistors to
implement ICs.- both NMOS & PMOS
59- Memory
interleaving technique is used to address the memory modules in order to Have-
reduced complexity in mapping hardware
60- In a
multiprogramming system, which of the following is used- Paging concept
