GAT Subject - Computer Science & Software Engineering
Active Exam Prep National Testing Service (NTS Pakistan) ๐ฅ 200 Past Paper MCQs
Full Name: Graduate Assessment Test - Subject (GAT Subject)
NTS GAT Subject for Ph.D. admissions, university faculty recruitments, and research fellowships in Computer Science & Software Engineering.
๐ Exam Specifications & Official Testing Profile
Verified Standards (2026)
Conducting Authority
National Testing Service (NTS Pakistan)
Total Marks & Questions
100 Marks (70% Discipline Subject + 30% General/Analytical)
Time Allowed
120 Minutes (2 Hours)
Passing / Qualifying Criteria
60% Cumulative Score for Ph.D. Admission
Negative Marking
No Negative Marking
Score Validity
2 Years from test date
๐ฏ Primary Scope & Target Admissions/Jobs: Ph.D. Program Admissions & Academic Position Screening
๐ Official Test Syllabus & Weightage Breakdown
Total Verified Question Pool: 4955 questions available across all mapped subjects.
| Syllabus Subject / Area | Official Weightage | Available Question Pool | Action |
|---|---|---|---|
| Computer Aptitude Test | 70% | 1502 MCQs | |
| English Language Comprehension | 15% | 2736 MCQs | |
| Quantitative Aptitude Test | 15% | 717 MCQs |
๐ฅ High-Yield Solved Archive
Exact Session Citations (2019โ2026)
200 Most Frequently Repeated Past Paper Questions
Representative questions from authentic past papers with detailed step-by-step solutions and verified formulas.
๐ท๏ธ NTS GAT Subject (Computer Science) โข 2024 Paper
GAT Subject Computer Science
Question 1 of 200
What is the worst-case time complexity of finding a shortest path in a weighted directed graph with non-negative edge weights using Dijkstra's algorithm implemented with a Min-Binary Heap?
(A)
O(Vยฒ)
(B)
O((V + E) log V)
(C)
O(V ยท E)
(D)
O(E log E)
๐ท๏ธ NTS GAT Subject (Computer Science) โข 2023 Paper
GAT Subject Computer Science
Question 2 of 200
In relational database design, a relation is in Boyce-Codd Normal Form (BCNF) if and only if for every non-trivial functional dependency X โ Y:
(A)
Y is a subset of X
(B)
X is a Superkey
(C)
Y is a Prime Attribute
(D)
X is a Foreign Key
๐ท๏ธ NTS GAT Subject (Education) โข 2024 Paper
GAT Subject Education & Pedagogy
Question 3 of 200
In Benjamin Bloom's Revised Cognitive Taxonomy (Anderson & Krathwohl 2001), which level represents the highest order of cognitive thinking?
(A)
Evaluating
(B)
Creating
(C)
Analyzing
(D)
Applying
๐ท๏ธ NTS GAT Subject (Statistics) โข 2024 Paper
GAT Subject Statistics
Question 4 of 200
In a standard normal distribution (Z ~ N(0,1)), what is the approximate percentage of total area under the curve enclosed within 2 standard deviations from the mean (ฮผ ยฑ 2ฯ)?
(A)
68.27%
(B)
95.45%
(C)
99.73%
(D)
90.00%
๐ท๏ธ NTS GAT Subject (Electrical Engineering) โข 2024 Paper
GAT Subject Electrical Engineering
Question 5 of 200
In AC circuit analysis, maximum power is transferred from a source to a complex load impedance Z_L when:
(A)
Z_L = Z_th
(B)
Z_L = Z_th* (Complex Conjugate)
(C)
R_L = 0
(D)
X_L = X_th
๐ท๏ธ HEC HAT-I โข Oct 2024 (Morning Batch)
Quantitative Reasoning
Question 6 of 200
A train 180 meters long is traveling at a constant speed of 54 km/h. How many seconds will it take to completely pass a railway platform of length 270 meters?
(A)
25 seconds
(B)
30 seconds
(C)
35 seconds
(D)
40 seconds
๐ท๏ธ HEC HAT-General โข Aug 2024 (Session-1)
Quantitative Reasoning
Question 7 of 200
Pipe A can fill a water tank in 10 hours, while Pipe B can fill the same tank in 15 hours. If both pipes are opened simultaneously, how long will it take to fill the tank completely?
(A)
5 hours
(B)
6 hours
(C)
7.5 hours
(D)
8 hours
๐ท๏ธ NTS NAT-IE โข July 2024 Official Paper
Quantitative Reasoning
Question 8 of 200
The present ratio of ages of father and son is 7 : 3. Ten years ago, the ratio of their ages was 3 : 1. What is the present age of the father?
(A)
42 years
(B)
49 years
(C)
56 years
(D)
70 years
๐ท๏ธ HEC USAT-E โข June 2024 (Batch-1)
Quantitative Reasoning
Question 9 of 200
If the price of petroleum increases by 25%, by what percentage must a motorist reduce consumption so that the overall expenditure remains unchanged?
(A)
16.67%
(B)
20%
(C)
25%
(D)
33.33%
๐ท๏ธ NTS GAT-A โข April 2024 Official Paper
Quantitative Reasoning
Question 10 of 200
In a mixture of 60 liters, the ratio of milk to water is 2 : 1. If this ratio is to be made 1 : 2, how much water (in liters) must be added?
(A)
40 liters
(B)
60 liters
(C)
80 liters
(D)
90 liters
๐ท๏ธ HEC USAT-COM โข May 2024
Quantitative Reasoning
Question 11 of 200
What is the compound interest on a principal sum of Rs. 10,000 at 10% per annum compounded annually for a duration of 3 years?
(A)
Rs. 3,000
(B)
Rs. 3,310
(C)
Rs. 3,450
(D)
Rs. 3,600
๐ท๏ธ HEC HAT-II โข March 2024
Quantitative Reasoning
Question 12 of 200
In how many different ways can the letters of the word 'LEADER' be arranged?
(A)
360
(B)
720
(C)
120
(D)
180
๐ท๏ธ HEC HAT-III โข Nov 2023
Quantitative Reasoning
Question 13 of 200
A card is drawn at random from a standard, well-shuffled pack of 52 playing cards. What is the probability that the card drawn is either a King or a Heart?
(A)
4/13
(B)
17/52
(C)
16/52 (4/13)
(D)
1/4
๐ท๏ธ NTS NAT-ICS โข Oct 2023
Quantitative Reasoning
Question 14 of 200
If logโโ(x) = 3 and logโโ(y) = 2, what is the value of logโโ(xยฒ / y)?
(A)
4
(B)
5
(C)
6
(D)
8
๐ท๏ธ HEC USAT-CS โข Aug 2023
Quantitative Reasoning
Question 15 of 200
Find the sum of the infinite geometric series: 18, 6, 2, 2/3, ...
(A)
24
(B)
27
(C)
36
(D)
54
๐ท๏ธ HEC HAT-General โข Oct 2024
Analytical Reasoning
Question 16 of 200
Five executives (P, Q, R, S, T) sit in a circular conference table facing the center. P is between S and T. Q is immediately to the left of T. Who is sitting immediately to the right of P?
(A)
S
(B)
T
(C)
Q
(D)
R
๐ท๏ธ HEC HAT-I โข Aug 2024
Analytical Reasoning
Question 17 of 200
If all Zips are Zaps, and some Zaps are Zops, which of the following conclusions MUST be true?
(A)
All Zips are Zops
(B)
Some Zips are Zops
(C)
Some Zaps are Zips
(D)
No Zips are Zops
๐ท๏ธ NTS NAT-IE โข June 2024
Analytical Reasoning
Question 18 of 200
In a code language, if 'MADRAS' is coded as 'NBESBT', how will 'BOMBAY' be coded in that same system?
(A)
CPNCBX
(B)
CPNCBZ
(C)
CPOCBZ
(D)
CQOCBZ
๐ท๏ธ HEC HAT-General โข Oct 2024
Verbal Reasoning
Question 19 of 200
PROSAIC : POETRY ::
(A)
Lethargic : Activity
(B)
Pedestrian : Novelty
(C)
Mundane : Imagination
(D)
Cacophonous : Music
๐ท๏ธ NTS GAT-B โข Sept 2024
Verbal Reasoning
Question 20 of 200
Select the word most OPPOSITE in meaning to INIMICAL:
(A)
Hostile
(B)
Friendly & Favorable
(C)
Ambiguous
(D)
Dangerous
๐ท๏ธ NTS GAT Subject (Quantitative Aptitude Test) โข Feb 2025 (Batch-1)
Quantitative Aptitude Test
Question 21 of 200
What fraction is 50 paise of Rs. 100?
(A)
1/200
(B)
1/100
(C)
200
(D)
1/50
๐ท๏ธ NTS GAT Subject (Quantitative Aptitude Test) โข Nov 2025 (Paper-I)
Quantitative Aptitude Test
Question 22 of 200
The greatest number of five digits beginning with 5 and ending with 7 is:
(A)
53397
(B)
57897
(C)
58987
(D)
59997
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Sept 2025 (Paper-II)
Computer Aptitude Test
Question 23 of 200
A quotation system obtains potential delivery time data from the:
(A)
Production schedule file
(B)
Inventory
(C)
Product
(D)
All of the above
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Morning Session)
Computer Aptitude Test
Question 24 of 200
Which of the following is not likely to occur in the near future?
(A)
The presidential election will be done by pushing buttons at home
(B)
The political issue of establishing an information assistance program will be raised
(C)
Most workers will choose working at home, so the traditional work place will disappear
(D)
Automation will reduce job opportunities thus resulting in a lower standard of living
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข July 2025 (Batch-2)
Computer Aptitude Test
Question 25 of 200
The process of starting or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called:
(A)
Duping
(B)
Booting
(C)
Padding
(D)
All of above
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Phase-2)
Computer Aptitude Test
Question 26 of 200
Serial access memories are useful in applications where:
(A)
Data consists of numbers
(B)
Short access time is required
(C)
Each stored word is processed differently
(D)
Data naturally needs to flow in and out in a serial form
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข July 2025 (Batch-2)
Computer Aptitude Test
Question 27 of 200
The first microprocessor built by the Intel Corporation was called:
(A)
8008
(B)
8080
(C)
4004
(D)
8800
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข March 2025 (Phase-2)
Computer Aptitude Test
Question 28 of 200
Who built the world's first electronic calculator using telephone relays, light bulbs and batteries:
(A)
Claude Shannon
(B)
Konrad lues
(C)
George Stibits
(D)
Howard H. Aiken
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Paper-I)
Computer Aptitude Test
Question 29 of 200
The digital computer was developed primarily in:
(A)
USSR
(B)
Japan
(C)
USA
(D)
UK
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Dec 2025 (Paper-I)
Computer Aptitude Test
Question 30 of 200
A IBM System/38 represents the computer class of:
(A)
Small scale computer
(B)
Medium scale computer
(C)
Large scale computer
(D)
Super computer
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข March 2025 (Evening Session)
Computer Aptitude Test
Question 31 of 200
Microprocessors as switching devices are for which generation computers:
(A)
First Generation
(B)
Second Generation
(C)
Third Generation
(D)
Fourth Generation
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข July 2025 (Phase-1)
Computer Aptitude Test
Question 32 of 200
In latest generation computers, the instructions are executed:
(A)
Parallel only
(B)
Sequentially only
(C)
Both sequentially and parallel
(D)
All of above
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข July 2025 (Paper-I)
Computer Aptitude Test
Question 33 of 200
Who invented the high level language?
(A)
Dennis M. Ritchie
(B)
Niklaus Writh
(C)
Seymour Papert
(D)
Donald Kunth
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Official Paper)
Computer Aptitude Test
Question 34 of 200
The special files of DOS are:
(A)
COM
(B)
EXE
(C)
BATCH
(D)
All of these
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Sept 2025 (Phase-1)
Computer Aptitude Test
Question 35 of 200
All modern computer operate on:
(A)
Information
(B)
Floppies
(C)
Data
(D)
Word
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Oct 2025 (Batch-1)
Computer Aptitude Test
Question 36 of 200
A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
(A)
Memory
(B)
Buffer
(C)
Accumulator
(D)
Address
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Evening Session)
Computer Aptitude Test
Question 37 of 200
Which of the following is not computer language?
(A)
High level language
(B)
Medium level language
(C)
Low level language
(D)
All of the above
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Nov 2025 (Batch-2)
Computer Aptitude Test
Question 38 of 200
Which of the following is called low level languages?
(A)
Machine language
(B)
Assembly language
(C)
& (b)
(D)
None of above
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข July 2025 (Official Paper)
Computer Aptitude Test
Question 39 of 200
Which of the following registers is used to keep track of address of .. the memory location where the next instruction is located?
(A)
Memory address register
(B)
Memory data register
(C)
Instruction register
(D)
Program counter
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Sept 2025 (Paper-I)
Computer Aptitude Test
Question 40 of 200
When did IBM introduce the 20286 based PC/AT?
(A)
1982
(B)
1984
(C)
1985
(D)
1989
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Aug 2025 (Morning Session)
Computer Aptitude Test
Question 41 of 200
In a punched card system, data is processed by a:
(A)
Keypunch machine, sorter and posting machine
(B)
Accounting machine, posting machine, and billing machine
(C)
Sorter, posting machine, and billing machine
(D)
Accounting machine, keypunch machine and sorter
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Jan 2025 (Evening Session)
Computer Aptitude Test
Question 42 of 200
Which of the following is not true for a magnetic disk?
(A)
It is expensive relative to magnetic tape
(B)
It provides only sequential access to stored data
(C)
User can easily update records by writing over the old data
(D)
All of above
๐ท๏ธ NTS GAT Subject (English Language Comprehension) โข July 2025 (Paper-I)
English Language Comprehension
Question 43 of 200
He is (not very good) when he tries to repair something in his house.
(A)
All thumbs
(B)
About time
(C)
All ears
(D)
An arm and a leg
๐ท๏ธ NTS GAT Subject (English Language Comprehension) โข Sept 2025 (Morning Session)
English Language Comprehension
Question 44 of 200
I wish he would say exactly what he means rather than (talking and not getting to the point).
(A)
Biting off more than he can chew
(B)
Breaking the news
(C)
Bringing the house down
(D)
Beating around the bush
๐ท๏ธ NTS GAT Subject (English Language Comprehension) โข Nov 2025 (Batch-2)
English Language Comprehension
Question 45 of 200
Let's (stop work) for today and come back tomorrow.
(A)
Chip in
(B)
clear the air
(C)
Call it quits
(D)
Come across
๐ท๏ธ NTS GAT Subject (Quantitative Aptitude Test) โข May 2024 (Official Paper)
Quantitative Aptitude Test
Question 46 of 200
How much is $\frac{1}{4} of \frac{x}{4}$?
(A)
4x
(B)
x
(C)
$\frac{1}{x}$
(D)
$\frac{x}{16}$
๐ท๏ธ NTS GAT Subject (Quantitative Aptitude Test) โข Jan 2024 (Paper-II)
Quantitative Aptitude Test
Question 47 of 200
Insert the missing figure:
8 0 7
4 8 3
2 5 8
9 3 ?
(A)
5
(B)
2
(C)
3
(D)
6
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Jan 2024 (Batch-2)
Computer Aptitude Test
Question 48 of 200
The number of records contained within a block of data on magnetic tape is defined by the:
(A)
Block definition
(B)
Record contain clause
(C)
Blocking factor
(D)
Record per block factor
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Feb 2024 (Batch-2)
Computer Aptitude Test
Question 49 of 200
One of the main feature that distinguish microprocessors from micro-computers is:
(A)
Words are usually larger in microprocessors
(B)
Words are microprocessors
(C)
Microprocessor does not contain (I/O) input/output devices
(D)
Exactly the same as the machine cycle time
๐ท๏ธ NTS GAT Subject (Computer Aptitude Test) โข Dec 2024 (Official Paper)
Computer Aptitude Test
Question 50 of 200
Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square root?
(A)
Napier
(B)
Babbage
(C)
Pascal
(D)
Leibniz
๐ฏ High-Frequency Topics & 30-Day Preparation Strategy
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Practice timed chapter-wise drills followed by full-length past paper simulations.
Carefully review explanations for incorrect attempts to diagnose and fix conceptual blind spots.
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โ Frequently Asked Questions (FAQs) - GAT Subject - Computer Science & Software Engineering
Essential questions regarding syllabus pattern, passing marks, validity, and preparation strategy.