Active TopicsActive Topics  Display List of Forum MembersMemberlist  CalendarCalendar  Search The ForumSearch  HelpHelp
  RegisterRegister  LoginLogin
 One Stop GATE ForumGATE Previous Years Test Papers - Discuss HereCS Papers
Message Icon Topic: Digital Electronics sample qns. Post Reply Post New Topic
Author Message
Neha Agarwal
Groupie
Groupie


Joined: 04Jan2007
Online Status: Offline
Posts: 59
Quote Neha Agarwal Replybullet Topic: Digital Electronics sample qns.
    Posted: 09Jan2007 at 6:46pm


Que. 1 The threshold level for logic 1 in the TTL family is
A
any voltage above 2.5v
B
any voltage between 0.8v and 5.0v
C
any voltage below 5.0v
D
any voltage below V(cc) but above 2.8v

Que. 2 In order to add 1111+1101, we required
A
one FA,one HA
B
three FA
C
three FA,one HA
D
none of these

Que. 3 The number of different boolean function of 4 variables are
A
2^16
B
16^2
C
4^2
D
16^4

Que. 4 A carry look ahead adder is frequently used for addition because, it
A
is faster
B
more accurate
C
used fewer gates
D
costs less

Que. 5 The 2's complement representation of the decimal value 15 is
A
1111
B
11111
C
111111
D
10001

Que. 6 Sign extension is a step in
A
Floating point multiplication
B
Signed 16 bit integer addition
C
Arithmetic left shift
D
Converting a signed integer from one size to another.

Que. 7 Zero has two representation in
A
sign magnitude
B
1's complement
C
2's complement
D
none of the above

Que. 8 how many address lines are needed to address each memory location in a 
2048*4 memory chip?
A
10
B
11
C
8
D
12

Que. 9 which code is used in Baudot system?
A
five unit
B
seven unit
C
morse
D
ASCII

Que. 10 If a counter having 10FFs is initally at 0,what count will if hold after 
2060 pulses.
A
000 000 1100
B
000 001 1100
C
000 001 1000
D
000 000 1110




Post Resume: Click here to Upload your Resume & Apply for Jobs

IP IP Logged
Post Reply Post New Topic
Printable version Printable version

Forum Jump
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot delete your posts in this forum
You cannot edit your posts in this forum
You cannot create polls in this forum
You cannot vote in polls in this forum

GET LATEST FRESHERS JOBS IN YOUR MAIL





This page was generated in 0.172 seconds.
Vyom is an ISO 9001:2000 Certified Organization

© Vyom Technosoft Pvt. Ltd. All Rights Reserved.

Job Interview Questions | Girls Magazine | DLL, OCX File Errors | Freshers Jobs | Placement Papers | More Papers