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WorksheetsIAT 1 CA CS8491 PART B
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
If a computer A runs a program in 10 seconds and computer B runs the same program in 15 seconds, how much faster Is A than B?
a)
1.5
b)
1.8
c)
2
d)
1.2
2.
Which of the following are the types of addressing modes in MIPS.
a)
Immediate addressing mode
b)
Register addressing mode
c)
Base or displacement addressing mode
d)
All the above
3.
CPU time is calculated by
a)
IC*CPI/(Clock rate)
b)
IC*CPI * Clock rate
c)
IC / CPI * Clock rate
d)
IC +CPI / Clock rate
4.
Consider the processor P1,P2,P3 executing the same instruction set. P1 has 3 GHz clock rtae and a CPI of 1.5. P2 has a 2.5 GHz clock rate and a CPI of 1.0. P3 has 4.0 GHz clock rate and has a CPI of 2.2. Which processor has the highest performance expressed in instructions per second?
a)
P1
b)
P2
c)
P3
5.
In which addressing mode, the effective address is the sum of the program counter and a constant specified in the branch instruction?
a)
PC-Relative addressing mode
b)
Immediate addressing mode
c)
Register addressing mode
d)
Base or displacement addressing mode
6.
Convert the octal number 347 to hexadecimal.
a)
B7
b)
67
c)
E7
d)
37
7.
Convert the hexadecimal number A1 to octal using decimal.
a)
160
b)
161
c)
158
d)
164
8.
Calculate the energy required to execute an instruction if the capacitive load is 50mF and the voltage consumed is 12V.
a)
5.6 joules
b)
2.6 joules
c)
3.6 joules
d)
None of the above
9.
The most widely used binary number representation is 2's complement representation. Why?
a)
There is no separate representation for +0 and -0
b)
Most efficient for logic circuit implemententation
c)
Both A & B
d)
None of the above
10.
The advantages of Third generation technology includes
a)
Microprogramming
b)
Sharing resources
c)
Parallel processing
d)
All the above
11.
Is pipelining a type of parallelism?
a)
true
b)
false
12.
Perform the 2's complement representation of -6 in 4 bits.
a)
1010
b)
1011
c)
1100
d)
1101
13.
Perform the subtraction of 15 - 28 using 6 bits in 2's complement representation.
a)
110011
b)
111000
c)
111011
d)
110001
14.
In which all cases an overflow occurs
a)
Addition of teo +ve numbers
b)
adding two -ve numbers
c)
subtract a -ve number from a +ve number
d)
All the above
15.
Find the sign and magnitude representation of -14 in 8 bits
a)
1000 1110
b)
0000 1110
c)
0001 1000
d)
0101 1010
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