1. What year was the bipolar transistor invented?
A) 1947
B) 1906
C) 1925
D) 1956
Answer :- a
2. Which of the following statement is TRUE?
A) Moore’s law states that the number of transistors on a chip doubles annually.
B) Moore’s law states that the number of transistors on a chip doubles approximately every
1-2 months.
C) Rock’s law states that the number of transistors on a chip doubles annually.
D) Machrone’s law states that the cost of the semiconductor tools doubles every four years.
Answer :- a
3. Which number system is primarily used by humans?
A) Binary
B) Decimal
C) Octal
D) Hexa-Decimal
Answer :- b
4. What is the binary representation of the decimal number 9?
A) (11001)2
B) (10011)2
C) (1001)2
D) (1101)2
Answer :- c
5. What is the binary representation of 468?
A) 1101102
B) 1000102
C) 1001102
D) 0101102
Answer :- c
6. What is the octal representation of 3510?
A) 328
B) 438
C) 408
D) 338
Answer :- b
7. What is the Hexadecimal representation of 1000 01012?
A) 8516
B) 858
C) 9616
D) 5116
Answer :- a
8. What is the octal representation of 3516?
A) 6516
B) 658
C) 568
D) 358
Answer :- b
9. What is the decimal equivalent of AA16?
A) 16010
B) 16510
C) 14710
D) 17010
Answer :- d
10. What is the decimal equivalent of 148?
A) 1210
B) 1410
C) 1010
D) 810
Answer :- a
11. 8-bit 2’s complement form of (-15)10 is______________.
A) 0001 00012
B) 1111 00012
C) 1111 11112
D) 0000 11112
Answer :- b
12. What is the binary equivalent of 5.1510?
A) 101.00102
B) 101.10102
C) 111.00102
D) 101.11102
Answer :- a
13. What is the 1’s complement of (01001)2
A) (01010)2
B) (10110)2
C) (10010)2
D) (01011)2
Answer :- b
14. What is the decimal equivalent of 10.10012?
A) 2.5625
B) 2.6875
C) 1.6875
D) 2.0457
Answer :- a
15. What is the hexadecimal equivalent of 568?
A) 2F16
B) 2E16
C) 1Е16
D) 0E16
Answer :- b