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Recent questions tagged co-and-architecture

1 vote
1 answer
1
Consider a machine with a byte addressable main memory of $2^{16}$ bytes block size of $8$ bytes. Assume that a direct mapped cache consisting of $32$ lines used with this machine. How many bits will be there in Tag, line and word field of format of main memory addresses? $8,5,3$ $8,6,2$ $7,5,4$ $7,6,3$
asked Nov 20, 2020 in CO and Architecture jothee 195 views
0 votes
1 answer
2
The following program is stored in memory unit of the basic computer. What is the content of the accumulator after the execution of program? (All location numbers listed below are in hexadecimal). ... $1002\text{H}$ $2011\text{H}$ $2022\text{H}$ $0215\text{H}$
asked Nov 20, 2020 in CO and Architecture jothee 116 views
0 votes
1 answer
3
A non-pipeline system takes $50$ns to process a task. The same task can be processed in six-segment pipeline with a clockcycle of $10$ns. Determine approximately the speedup ratio of the pipeline for $500$ tasks. $6$ $4.95$ $5.7$ $5.5$
asked Nov 20, 2020 in CO and Architecture jothee 96 views
0 votes
1 answer
4
Which of the following statements with respect to $K$-segment pipelining are true? Maximum speedup that a pipeline can provide is $k$ theoretically It is impossible to achieve maximum speed up $k$ in $k$-segment pipeline All segments in pipeline take same time in computation Choose the correct answer from the options ... $(b)$ and $(c)$ only $(a)$ and $(c)$ only $(a), (b)$ and $(c)$
asked Nov 20, 2020 in CO and Architecture jothee 60 views
0 votes
0 answers
5
Which of the following statements with respect to multiprocessor system are true? Multiprocessor system is controlled by one operating system In Multiprocessor system, multiple computers are connected by the means of communication lines Multiprocessor system is classified as multiple instruction stream and multiple data stream ... $(b)$ only $(a)$ and $(c)$ only $(b)$ and $(c)$ only
asked Nov 20, 2020 in CO and Architecture jothee 39 views
0 votes
1 answer
6
Arrange the following types of machine in descending order of complexity. SISD MIMD SIMD Choose the correct answer from the options given below: $a,b,c$ $c,b,a$ $b.c.a$ $c,a,b$
asked Nov 20, 2020 in CO and Architecture jothee 60 views
1 vote
1 answer
7
Given below are two statements: Statement $I$: Hardwired control unit can be optimized to produce fast mode of operation Statement $II$: Indirect addressing mode needs two memory reference to fetch operand In the light of the above statements, choose the correct answer from the ... are false Statement $I$ is correct but Statement $II$ is false Statement $I$ is incorrect but Statement $II$ is true
asked Nov 20, 2020 in CO and Architecture jothee 39 views
0 votes
4 answers
8
When a subroutine is called, then address of the instruction following the CAL instruction is stored in/on the Stack pointer Accumulator Program counter Stack
asked Apr 2, 2020 in CO and Architecture Lakshman Patel RJIT 288 views
0 votes
1 answer
9
The process of entering data into a storage location causes variation in its address number adds to the contents of the location is called a readout operation is destructive of previous contents
asked Apr 2, 2020 in CO and Architecture Lakshman Patel RJIT 157 views
0 votes
1 answer
10
Serial access memories are useful in applications where data consists of numbers short access time is required each stored word is processed differently data naturally needs to flow in and out in serial form
asked Apr 2, 2020 in CO and Architecture Lakshman Patel RJIT 116 views
0 votes
1 answer
11
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12
Micro program is the name of source program in micro computers the set of instructions indicating the primitive operations in a system primitive form of macros used in assembly language programming program of very small size
asked Apr 2, 2020 in CO and Architecture Lakshman Patel RJIT 143 views
0 votes
1 answer
13
If a processor does not have any stack pointer register, then it cannot have subroutine call instruction it can have subroutine call instruction, but no nested subroutine calls nested subroutine calls are possible, but interrupts are not all sequences of subroutine calls and also interrupts are possible
asked Apr 2, 2020 in CO and Architecture Lakshman Patel RJIT 110 views
0 votes
1 answer
14
Microprogramming is a technique for writing small programs effectively programming output/input routines programming the microprocessors programming the control steps of a computer
asked Apr 2, 2020 in Digital Signal Processing Lakshman Patel RJIT 92 views
0 votes
2 answers
18
0 votes
1 answer
19
In time division switches if each memory access takes $100\;ns $ and one frame period is $125\;\mu s,$ then the maximum number of lines that can be supported is $625$ lines $1250$ lines $2300$ lines $318$ lines
asked Apr 1, 2020 in CO and Architecture Lakshman Patel RJIT 275 views
0 votes
1 answer
20
0 votes
1 answer
21
In a $10$-bit computer instruction format, the size of address field is $3$-bits. The computer uses expanding OP code technique and has $4$ two-address instructions and $16$ one-address instructions. The number of zero address instructions it can support is $256$ $356$ $640$ $756$
asked Apr 1, 2020 in CO and Architecture Lakshman Patel RJIT 302 views
0 votes
2 answers
22
2 votes
3 answers
23
0 votes
2 answers
26
1 vote
2 answers
27
1 vote
4 answers
28
A certain processor supports only the immediate and the direct addressing modes. Which of the following programming language features cannot be implemented on this processor? Pointers. Arrays. Records. All of these.
asked Mar 31, 2020 in CO and Architecture Lakshman Patel RJIT 512 views
1 vote
2 answers
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