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Gblog SDE SHEET – A Complete Guide for SDE Preparation
What is SDE Sheet? SDE Sheet is a list of the most important topics or the most popular questions that are asked in the Software… Read More
Consider the following CFG S -> AaAb | Bb A -> ԑ B -> ԑ The above grammar is: (A) Ambiguous (B) Left recursive (C)… Read More
Using the EMPLOYEE table, the following query is issued to generate the name, salary and the salary increased after an appraisal by 25 %. The… Read More
A student relation with 4 attributes is defines as R(ABCD). Which of the following query will execute without error if all attributes are numeric. A)… Read More
The following graph shows the schedule of five transactions. The schedule is: (A) View Serializable (B) Conflict Serializable (C) Both (A) and (B) (D) Not… Read More
Consider all the processes are arriving at large time intervals. Let t be the time interval between two processes Pi and Pi+1 for any i… Read More
A counting semaphore was initialized to 0, then 20 V operations were successfully completed on this semaphore, followed with 18 P operations, the resulting value… Read More
On a system using round-robin scheduling let ‘s’ represent the time needed to perform a process switch, ‘q’ represents the round-robin time quantum, and ‘r’… Read More
Using the data from Question 49, How many blocks can cache accommodate ? (A) 512 (B) 1024 (C) 256 (D) 128 Answer: (C) Explanation: Since… Read More
Linked Questions 49-50 A digital computer has a memory unit of 256k x 16 and a cache memory of 4k words. The cache uses direct… Read More
An instruction pipeline has 4 stages Instruction Fetch(IF), Instruction Decode(ID), Execute instruction (Ex), Write Back(WB). All instructions take all stages and takes 4 clock cycles.… Read More
The following is the AB flip flop: What are values of A, B when change in the flip flop state is from 0 to 1… Read More
The 32 bit floating point representation of (-12) is ___ (A) 11000000010000000000000000000000 (B) 11000001010000000000000000000000 (C) 01000001110000000000000000000000 (D) 11000000110000000000000000000000 Answer: (B) Explanation: To convert the floating… Read More
Identify the circuit shown below: (A) Bidirectional Buffer (B) De-multiplexer (C) Multiplexer (D) Encoder Answer: (C) Explanation: In the circuit shown there are two tristate… Read More
Which of the following is not a CFL? A)L = {albmcn where l=m or l=n} B)L = {albmcn where l=m and l=n} C)L = {albmcn… Read More
Which of the following statements is incorrect ? (A) Union of two DCFL is a CFL. (B) Complementation of a regular language is a regular… Read More

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