Monday, September 1, 2014

Binary Number System.

                                                                                           POST BY SURENDRA SOLANKI

 1.Convert octal number 536 to its equivalent hexadecimal number ?
15 E
15 D
14 D
13 E
None of these
Ans- A
2. ASCII stands for
a. American Stable Code for International Interchange
b. American Standard Case for Institutional Interchange
c. American Standard Code for Information Interchange
d. American Standard Code for Interchange Information
e. None of these 
Ans- C
3.EBCDIC stands for
a. Extended Binary Coded Decimal Interchange Code
b. Extended Bit Code Decimal Interchange Code
c. Extended Bit Case Decimal Interchange Code
d. Extended Binary Case Decimal Interchange Code
e. None of these.
Ans- A
4. The octal equivalent of 111010 is
a. 81
b. 72
c. 71
e. None of above
Ans- B
5. The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in electronic data processing system is called
c. BCD
d. All of above
e. None of these
Ans- A
6. Instructions and memory address are represented by
a. Character code
b. Binary codes
c. Binary word
d. Parity bit
e. None of these
Ans- B
7.Which of the following code used in present day computing was developed by IBM Corporation?
b. Hollerith Code
c. Baudot Code
d. EBCDIC Code
e. None of these
Ans- D
8. EBCDIC can code up to how many different characters?
a. 256
b. 16
c. 32
d. 64
e. None of these
Ans- A
9. A byte consists of
a. One bit
b. Four bits
c. Eight bits
d. Sixteen bits
e. None of these
Ans- C
10. The term bit is short for:
A. megabyte.
B. binary language.
C. binary digit.
D. binary number.
e. None of these.
Ans- C
 11. (55)in binary will be -------
b) 101010
c) 101101
e) None of these
Ans- C
12. (36)10 in binary will be ---
a) 11111
d) 101011
e)None of these
Ans- B
13. What is the base of Hexadecimal number system ?
a)  8
b) 10
c) 16
d) 2
e ) none of these
Ans- C
14.  (11001)= ( )10
a) 24
e) None of these
Ans- C
15. Base of octal number system.
a) 10
e)None of these.
Ans- C
16. The binary representation of hexadecimal 'C3' is
a. 1111 b. 110011
c. 110001 d. 11000011
e. None of these
Ans- D
17. The ASCII code is for information interchange
by a binary code for
a. numbers only b. alphabets only
c. alphanumeric and other common symbols
d. None of these
Ans- C
1.             18. The ____________ number system is also known as decimal notation.
A.     arithmetic
B.     binary
C.     base 10
D.     base 2
E.      None of  these
Ans- C

1 comment: