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Computer Awareness

Bankers adda Computer Awareness

1.Relational calculus is a 
(1) Procedural language
(2) Non- Procedural language
(3) Data definition language
(4) High level language
(5) None of these

2.Parallel port can transfer ……………. bits of data at a time.
(1) 2 (2) 4 (3) 8 (4) 16 (5) None of these

3.USB stand for
(1) United serial bus
(2) Universal system bus
(3) Universal system bus
(4) Universal serial bus
(5) None of these

4.Default port for HTTP
(1) 23 (2) 80 (3) 21 (4) 25 (5) None of these

5.Which protocol is used to report error message?
(1) TCP (2) IP (3) ICMP (4) SMTP (5) None of these

6.By default the member of java class is
(1) Private (2) Protected (3) Public (4) abstract (5) None of these

7.Which class of IP is used for loop-back or local host?
(1) 192.168.0.0 (2) 127.0.0.0 (3) 127.0.01 (4) 156.00.01 (5) None of these

8.A critical region.
(1) is a piece of code which only one process executes at a time.
(2) is a region prone deadlock.
(3) is a piece of code which only a finite number of processes
(4) is found only in window NT operating system
(5) None of these

9. Switching the CPU to another process require to save state of the old process and loading new process state is called
(1) Process Blocking
(2) Context Switch
(3) Time sharing
(4) Both 1 & 2
(5) None of these

10.………………… is a high level abstraction over semaphore.
(1) Shared memory (2) Message passing (3) Monitor (4) Mutual exclusion (5) None of these

Answers
1. 2
2. 3
3. 4
4. 2
5. 3
6. 3
7. 3
8. 1
9. 2
10. 3
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