WorksheetsQuiz-1
Total questions: 20
Worksheet time: 20mins
Minimum number of 2:1 multiplexers required to implement a 16:1 multiplexer
8
11
15
16
Boolean expression for the output of following logic circuit is
Y= A B' C+A B C
Y= A B' C+A B C'
Y= A B' C'+A' B C
Y= A' B' C+A B C'
Four books have cost of (1000)5, (1000)6, (1000)8 and (1000)16. What will be the cost of all four books in total?
(4949)10
(8049)10
(4000)10
(5049)10
Decimal ranges of 1's and 2's compliment numbers which can be represented using 7 bits are
0 to 127 and -64 to 63
-63 to 63 and -64 to 63
0 to 127 and -64 to 64
-64 to 63 and -64 to 63
Boolean function of following circuit is
f(x,y,z)= {1, 2, 5, 6}
f(x,y,z)= {0, 2, 5, 7}
f(x,y,z)= {1, 2, 4, 6, 7}
f(x,y,z)= {0,1, 2,3, 6}
How many minimum number of binary bits will be required to represent the smallest and biggest 4 digit decimal numbers respectively?
10 and 15
8 and 16
10 and 14
7 and 13
Number of AND gates to implement a 16 : 1 multiplexer and OR gates to implement a Hexadecimal-to-binary encoder are respectively
16, 8
8, 16
4, 16
16, 4
A common bus which shares the data from 8 registers, each of width of 4-bit, can be implemented by using
a decoder of size 3:8 and 12 tri-state buffers
a encoder of size 8:3 and 32 tri-state buffers
a encoder of size 8:3 and 8 tri-state buffers
a decoder of size 3:8 and 32 tri-state buffers
To realize an adder that can add two 16-bit numbers, how many full adders and half adders are required?
10 half-adders and 17 full adders
10 half-adders and 15 full adders
15 half-adders and 1 full adders
1 half-adders and 15 full adders
How many AND, OR and XOR gates are required for the configuration of 32-bit ripple carry adder using full adder respectively?
64, 64, 64
64, 32, 64
32, 32, 64
64, 0, 64
What must be the base to hold the equality of 4+2 =11
4
5
6
7
A 16-bit half adder can be implemented by using
32 Multiplexers each of size 2:1
16 Multiplexers each of size 2:1
32 Multiplexers each of size 4:1
16 Multiplexers each of size 4:1
Which one of the following is the 2's complement representation of decimal value 15?
1111
10111
0001
10001
Number of AND gates to implement a 16 : 1 multiplexer and OR gates to implement a Hexadecimal-to-binary encoder are respectively
16, 8
8, 16
4, 16
16, 4
Given that F=A'B' + C' +D' +E' , which of the following represent the correct expression for F' ?
F' =A+B+C+D+E
F' =(A+B)CDE
F' =AB(C+D+E)
F' =AB+C'+D'+E'
What will be the effect on execution time, if both CPI and clock period of a computer system reduced to half?
Reduces to one forth
Reduces to one half
Remains same
Increases twice
If a computer system consumes total power of 100 watt/h. How much you have to pay monthly @ Rs 5 if system is used 10 hours/day.
500
250
100
150
Minimum number of bits required to represent one pixel of a grey and color image are respectively.
8, 24
8, 8
16, 8
24, 8
If a processor uses clock rate of 4 GHz and CPI of 2.5. How many instructions can be executed by this system in MIPS?
1000
1200
1600
2000
IEEE 754 single precision is given by 1 10000110 10100..00. Which one of the following represents the number in normalized unbiased binary format?
- 1.101X27
- 1.101X2-6
- 1.0101X27
- 1.110101X27
