LET Coaching 2011: Computer Science

Lateral Entry Test : Engineering : Solved Question Paper 

1. Fastest component of a computer system is

a) Flash ROM b) Cache memory

c) DDR RAM d) CPU

2. Which tags are placed on animals, to track all of the animals movements.

a)POS b) RFID c) PPS d) GPS

3. _______________ uses an FAT for file allocation?

a) WINDOWS b) Linux c) Unix d) Solaris

4. TLB stands for?

a) Table Lookup Buffer b) Translation Lookaside Buffer c) Translation table d) None

5. The address space of 8086 CPU is?

a) 1 Megabytes b) 256 Kilobytes c) 1 Kilobyte d) 64 kilobytes

6. The following statement

printf(”%f”, 9/5); prints

(a) 1.8 (b) 1.0 (c) 2.0 (d) none of the above

7. C is a?

(a) high level language (b) low level language

(c) high level language with some low level features.

(d) low level language with some high level features.

8. What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array?

(a. The element will be set to 0.
(b. The compiler would report an error.
(c. The program may crash if some important data gets overwritten.
(d. The array size would appropriately grow.

9. Which of the following operations can be performed on the file "NOTES.TXT" using the below code? FILE *fp;
fp = fopen("NOTES.TXT", "r+");
(a. Reading
(b. Writing

(c. Appending 

(d,Read and Write 

10. One of the following is not a real RDBMS
 a) dBase b) DBII c) MA Access d) Oracle

11. Multi –media System involves

a) Only Audio and Video

b) Animation Video Movies

c) Animation movie with Text also

d) All type of movie with Animation Graphics and Text


12. The minimum number of temporary variables needed to swap the contents of two variables is?

(a)1 (b)2 (c)3 (d)0

13. Ping is a command used for

a) Checking MAC address

b) Checking Networking functionality and validity of IP address

c) Checking cabling performance

d) Checking cable connectivity only

14. The candidate key which identifies the tuples in a relation uniquely is called?

a) super key b) Primary key c) Foreign key d) none of the above

15. Back up and restore is preferred for

a) All files and data together b) System data areas only

c) Selected file system components d) Disk image for recovery

The likely answers are given in Green Color . if any error pls let me know...