HSST Computer Science Senior - Previous PSC Question Paper

HSST Computer Science Solved Question & Answer Key 2011

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1. In C language an user defined header is identified by the inclusion :
(A) # include "test.h"
(B) # include < test.h >
(C) include "test.h"
(D)None of these

2. Number of locations that could be addressed by a microprocessor with 12 address lines is :
(A)1024
(B) 64K
(C) 4096
(D) 2048


3. Number of bit width of any memory chip is :
(A) 16
(B) 64
(C) 32
(D) 8

4. The command that lists the last few lines from a file name "file"
(A) tail file
(B) end file
(C) grep file
(D) cat file -last25

5. The percentage of time that a computer system is not available for use is :
(A) Down Time
(B) Seek Time
(C) Delay Time
(D) Access Time

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Maximum: 100 marks Time: 1 hour and 15 minutes   Year 2004

1. Flow control in TCPIIP is handledusing:

(A) Urgent pointer

(C) Acknowledgement number

(B) Checksum

(D) Variable-size sliding window

2. Which among the following is a protocol 'of Wireless LAN?

(A) 802.2 (B)802.3

(C) 802.5 CD) 802.11

3. The default payload of TCP segment established during connection setup in bytes is :

(A) 536 (B) 512

(C) 1024 (D) 1048

4. Which is the protocol among the following that is used for translating from physical address

to Internet address?

(A) ICMP

(C) ARP

(B) IGRP

(D)RARP

5. Which property among the ones given below is not possessed by the HTTP protocol?

(A) Non-cached (B) Lightweight

(C) Stateless (D) Application level

6. The port number assigned to FTP protocol is:

(A) 23 (B) 22

(C) 69

7. The protocol used in TCPIIP for dynamic address assignment is :

(A) ARP (B) RARP

(C) DHCP (D) ICMP

8. Which of the following is true about a cross compiler?

(A) It is written in the machine code of one processor and produces code for another

processor

(B) It is used for compiler porting

(C) It may be written in the same language as the one for which it is a compiler of

(D) All of these

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