Axes Technologies Placement Paper Contributed by Syam updated on Jul 2019

                                              Axes Model Placement Paper 

Micro Processor:

1.Bus arbitaration is used for ans: controling the bus

2.which one is the higher priority a)hold b)interrupt ans: a)

3. 2's complement of 43 010101

4.what happens when PUSH A instruction is exec....

5.INT6 pushes how many bytes on to the stack.
4BYTE CHECK IT OUT

6.AL = 35, BL = 39
ADD BL
ROL AL,08
now what are contents of AL.

7.one 8086 program to find the o/p(i.e. to find the largest of all)

8.x = 11010010 , y = 00110101
x+y what is the result

9.what is the diff b/w RET and IRET

10. What happens when AND/TEST instruction is exec..flags.

11. What is max unsigned value in 16bit databus

12. what is max address in 16bit address bus

13. what is meant by memory mapped i/o

14. AL = 35
SHL AL,04
what are contents of AL

15.LIFO occurs in which memory

Communication:

1. what is amplitude modulation

2. Bandwidth of telephone line (4k)

3. IP layer uses a)packet switching b)circuit switching
c)store and forword switching d)both a and b

4. which one is not transmission media a)optical fiber b)coaxial cable
c)catagary 5 UTP d)none of above

5.number of address bits in IPV6 128

6.ISDN is used for digital communication

7.which layer not present in TCP

8.what is the time period of E1 carrier superframe
ans: 2ms

9. what is the bit rate of the E1 carrier/channel

10. ATM is a) adapter b) n/w architecture layer c) conectar ans: b

11.on ADSL - Asynchronous Digital Subscriber Line

12.on AI Networks?

C- Questions:

1. struct {
int a;
char b;
char *c;
}mystruct;
what is the sizeof structer.

2.union {
int a;
char b : 3;
char c : 2;
}x;
what is the sizeof union.

3. what is sizeof('a')

4. write p is pointer to constant char
a) char const *p;
b) char *const p;
c) const *char p;
d) const char *p;

5. which one is faster compiler or interpreter

6.sizeof is __________

7.STACK is part of__________? ANS:-RAM

8.TO print % ?

9.#include<stdio.h> includes definitions or declarations?
Ans:-declarations.

10.where the locals and globals are stored. Ans :-stack & heep.

Network basics:
--------------
* T1(US standard)
Data rate 1.544MBPS
No of Channels 24
No of bits per frame 193 (8x24 + 1 Framing bit)
Time 125uS/Sample(for 193 bits)

* E1(European standard)
Data rate 2.048MBPS
No of Channels 32

* OSI Model
Application Layer
Presentation Layer
Session Layer
Transport Layer
Network Layer
Data Link Layer
Physical Layer

* TCP/IP Model
Application Layer
Transport Protocol(TCP/UDP/SCTP)
Internet Protocol(IP)
Physical Layer

* TCP-->Connection Oriented
Reliable
Slow

* UDP-->Connection less
Unreliable
fast

* POT(Plain Old Telephone) works with -48V

* Internet--> packet switching
PSTN --> Circuit switching

* Hamming code distance --> 5

* In Ethernet Frame length is fixed

* MAC() length is 6 bytes

* In Asynchronous communication START/STOP bits r used

* Long Distance Communication --> Satellite

* Protocol is a set of rules used for communication between two peers

* UTP-5 (Unshielded Twisted Pair)
STP (Shielded Twisted Pair)

7. A man owns 2/3 of the market research beauro business and sells 3/4 of his shares for Rs. 75000. What is the value of Business? 
Ans.150000

10. From its total income, A sales company spent Rs.20,000 for advertising, half of the remainder on commissions and had Rs.6000 left. What was its total income?
Ans.32000

18. If a salesman's average is a new order every other week, he will break the office record of the year. However, after 28 weeks, he is six orders behind
schedule. In what proportion of the remaining weeks does he have to obtain a new order to break the record? 
Ans.3/4

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