Decimal 43 in hexadecimal and BCD number system is respectively. B2, 01000011 2B

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Electronics and Communication Engineering ‣ Digital Electronics Comments

Question
Decimal 43 in hexadecimal and BCD number system is respectively.
Options
A. B2, 01000011
B. 2B, 01000011
C. 2B, 00110100
D. B2, 01000100

Correct Answer

2B, 01000011

Explanation

(43)₁₀ = (2B)₁₆

(43)₁₀ = (01000011)₂ .

Digital Electronics problems

Search Results

1. A counter type A/D converter contains a 4 bit binary ladder and a counter driven by a 2 MHz clock. Then conversion time
Options
A. 8 ? sec
B. 10 ? sec
C. 2 ? sec
D. 5 ? sec

2. The basic storage element in a digital system is
Options
A. flip flop
B. counter
C. multiplexer
D. encoder

3. Minimum number of 2-input NAND gates required to implement the function F = (x + y) (Z + W) is
Options
A. 3
B. 4
C. 5
D. 6

5. A carry look ahead adder is frequently used for addition because
Options
A. it costs less
B. it is faster
C. it is more accurate
D. is uses fewer gates

7. Which of the following is taken as reference antenna for directive gain?
Options
A. Half wave dipole
B. Elementary doublet
C. Isotropic
D. Infinitesimal dipole

9. An earth mat for a communication tower consists of
Options
A. one or two radials extending from base of tower at a depth of about 5 cm below ground
B. a large number of radials extending from base of tower at a depth of about 3 m
C. a large number of radials extending from base of tower at a depth of about 30 cm
D. none of the above

10. In CCIR-B system, the time between start of one H syn. pulse and next is
Options
A. 64 ?s
B. 6.4 ?s
C. 640 ?s
D. 0.64 ?s

Comments

There are no comments.

More in Electronics and Communication Engineering: