Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

In each case the depth-first sequence of an ordered rooted spanning tree for a graphG is given. Also given are the non-tree edges of G. Which of these spanning trees is adepth-first spanning tree?

A. 123242151 and {4, 5}, {1, 3}
B. 123242151 and {3, 4}, {1, 4}
C. 123245421 and {3, 4}, {1, 4}
D. 123245421 and {2, 5}, {1, 4}
Answer» E.
2.

The memory unit that communicates directly with the CPU is called the

A. Secondary memory
B. main memory
C. auxiliary memory.
D. shared memory
Answer» C. auxiliary memory.
3.

Which of the following circuit can be used as parallel to serial converter ?

A. Demultiplexer
B. Multiplexer
C. Digital counter
D. Decoder
Answer» C. Digital counter
4.

What day of the week on 26th Jan 1950?

A. Tuesday
B. Monday
C. Thursday
D. Wednesday
Answer» D. Wednesday
5.

The inverter OR-gate and AND gate are called deeision-making elements because they can recognize some input while disregarding others. A gate recognize a word when its output is

A. bytes,low
B. words,high
C. character,low
D. bytes,high
Answer» C. character,low
6.

How many truth tables can be made from one function table ?

A. Two
B. One
C. Any numbers
D. Three
Answer» B. One
7.

Von Neumann architecture is

A. SIMD
B. SISD
C. MISD
D. MIMD
Answer» C. MISD
8.

Using an organized sequence of activities to study a problem or opportunity using systems thinking. Select the best fit for answer :

A. Problem versus symbols
B. Systems approach
C. Post implementation review
D. Systems thinking
Answer» C. Post implementation review
9.

Which of the following is not a characteristic of a RISC architecture.

A. One instruction per cycle
B. Large instruction set
C. Register-to-register operation
D. Simple addressing modes
Answer» C. Register-to-register operation
10.

World Wide Web

A. world wide connection for computers
B. is another name for internet
C. a collection of world wide information
D. a collection of linked information residing on computers connected by the internet
Answer» E.
11.

XSL definition is used along with XML definition to specify

A. The presentation of XML document
B. The data types of the contents of XML document
C. The structure of XML document
D. The links with other documents
Answer» B. The data types of the contents of XML document
12.

DTD definition is used along with XML to specify

A. The presentation of XML document
B. The data types of the contents of XML document
C. The structure of XML document
D. The links with other documents
Answer» C. The structure of XML document
13.

Logical expression ( A^ B) → ( C\' ^ A) → ( A ≡ 1) is

A. Valid
B. Contradiction
C. None of these
D. Well-formed formula
Answer» D. Well-formed formula
14.

The time required for a pulse to change from 10 to 90 percent of its maximum value is called

A. Decay time
B. Rise time
C. Charging time
D. Propagation time
Answer» C. Charging time
15.

Studying in detail the information needs of users and any information system presently used.

A. Functional requirement
B. Systems analysis
C. User interface, data and process design
D. Systems design
Answer» B. Systems analysis
16.

If A = {x : x is a multiple of 3} and B = {x :x is a multiple of 5}, then A-B is equal to

A. A? B'
B. A'?B
C. A?
D. A'?B'
Answer» B. A'?B
17.

Which of the following does not interrupt a running process?

A. Timer
B. A device
C. Power failure
D. Scheduler process
Answer» D. Scheduler process
18.

5.What is the minimum number of two-input NAND gates used to perform the function of two input OR gate?

A. 2
B. 1
C. 4
D. 3
Answer» E.
19.

Prototype is a

A. Mini model of existing system
B. Working model of existing system
C. None of the above
D. Mini model of processed system
Answer» C. None of the above
20.

What day of the week on 2nd June, 1988?

A. Friday
B. Thursday
C. Saturday
D. Sunday
Answer» C. Saturday
21.

Amol decides to determine the cohesion of a module by writing a brief statement that fits purpose. He finds a number of words related to time like : after, first start, next then, when etc. The module probably has

A. functional or informational binding
B. sequential or temporal binding
C. sequential or functional binding
D. coincidental or functional binding
Answer» C. sequential or functional binding
22.

If a, b are positive integers, define a * b = a where ab = a (modulo 7), with this * operation, then inverse of 3 in group G (1, 2, 3, 4, 5, 6) is

A. 1
B. 3
C. 4
D. 5
Answer» E.
23.

Compute the total number of bicomponents in all of the following three simple graphs,G = (V,E) with |V | = 5. For each graph the edge sets are as follows:E = {1, 2}, {2, 3}, {3, 4}, {4, 5}, {1, 3}, {1, 5}, {3, 5}E = {1, 2}, {2, 3}, {3, 4}, {4, 5},

A. 5
B. 4
C. 7
D. 6
Answer» E.
24.

Single entry, single exit constricts with the if, while, sequence and compound statements in C and simulate

A. finite automata only
B. a push down automata only
C. a hypercomputer
D. a turning machine
Answer» C. a hypercomputer
25.

Arithmetic shift left operation

A. Causes the sign bit to remain always unchange
B. Produces the same result as obtained with logical shift left operation.
C. Is not applicable for signed 2's complement representation.
D. Needs additional hardware to preserve the sign bit.
Answer» C. Is not applicable for signed 2's complement representation.
26.

The OS of a computer may periodically collect all the free memory space to form contiguousblock of free space. This is called

A. Garbage collection
B. Concatenation
C. Dynamic Memory Allocation
D. Collision
Answer» B. Concatenation
27.

Reduction in strength means

A. removing loop invariant computation
B. replacing run-time computation by compile time computation
C. replacing a costly operation by a relatively cheaper one
D. removing common sub-expressions
Answer» C. replacing a costly operation by a relatively cheaper one
28.

If A = (1, 2, 3, 4). Let ~= {(1, 2), (1, 3), (4, 2)}. Then ~ is

A. transitive
B. not anti-symmetric
C. symmetric
D. reflexive
Answer» B. not anti-symmetric
29.

If the clock input applied to a cascaded Mod-6 & Mod-4 counter is 48KHz. Than the output of the cascaded arrangement shall be of

A. 12 KHz
B. 4.8 KHz
C. 8 KHz
D. 2 KHz
Answer» E.
30.

Which of the following logic expression is incorrect?

A. 1 ⊕ 1 ⊕ 0 =1
B. 1 ⊕ 0 = 1
C. 1 ⊕ 1 = 0
D. 1 ⊕ 1 ⊕ 1 = 1
Answer» B. 1 ⊕ 0 = 1
31.

When CPU is not fully loaded, which of the following method of data transfer ispreferred

A. Interrupt
B. DMA
C. None of these
D. Polling
Answer» D. Polling
32.

A set contains k elements. The power set of this set contains

A. 2k ? 2 elements
B. k elements
C. k2 elements
D. 2k elements
Answer» E.
33.

XML uses

A. pre-defined tags
B. user define tags
C. Extended tags used in HTML and makes them powerful
D. both predefined and user-defined tags
Answer» B. user define tags
34.

What day of the week on 15th August, 1947?

A. Friday
B. Thursday
C. Saturday
D. Sunday
Answer» B. Thursday
35.

Total number of diferent partitions of a set having four elements is

A. 8
B. 16
C. 4
D. 15
Answer» E.
36.

Which of the following operations is performed more efficiently by doubly linked list thanby singly linked list?

A. Searching of an unsorted list for a given item
B. Deleting a node whose location in given
C. Traversing a list to process each node
D. Inverting a node after the node with given location
Answer» C. Traversing a list to process each node
37.

A control character is sent at the beginning as well as at the end of each block in thesynchronous-transmission in order to

A. Supply information needed to separate the incoming bits into individual character.
B. Synchronize the clock of transmitter and receiver.
C. Both (A) and (C).
D. Detect the error in transmission and received system.
Answer» B. Synchronize the clock of transmitter and receiver.
38.

Any day in April is always on the same day of the week as the corresponding day is

A. March
B. May
C. July
D. June
Answer» D. June
39.

If h is any hashing function and is used to hash n keys in to a table of size m, where n

A. less than n.
B. less than 1.
C. less than n/2.
D. less than m
Answer» C. less than n/2.
40.

HTML is similar to a

A. screen editor
B. word processing language
C. search engine
D. scripting language
Answer» C. search engine
41.

Form the detailed design speciication. If the coding is done in C : C : assembler the resulting code sizes will be on the average.

A. 1:10:100
B. 1:3 :10
C. 10:3:1
D. 1: 3: 4
Answer» C. 10:3:1
42.

The year next to 1988 having the same calendar as that of 1988 is ____

A. 2010
B. 2016
C. 1999
D. 2004
Answer» C. 1999
43.

Which one of the following logic expression is incorrect?

A. 1 ⊕ 1 ⊕ 0 = 1
B. 1 ⊕ 0 = 1
C. 1 ⊕ 1 = 0
D. 1 ⊕ 1 ⊕ 1 = 1
Answer» B. 1 ⊕ 0 = 1
44.

January 1,2004 was a thursday,what day of the week lies on Jan 2005?

A. Monday
B. Thursday
C. Saturday
D. Sunday
Answer» D. Sunday
45.

On 8th march,2005,wednesday falls what day of the week was it on 8th march,2004?

A. Monday
B. Tuesday
C. Wednesday
D. Friday
Answer» B. Tuesday
46.

The year next to 1990 will have the same calendar as that of the year 1990?

A. 1995
B. 1997
C. 1996
D. 1992
Answer» D. 1992
47.

Suganya went to the movies nine days ago. She goes to the movies only on Thursday. What day of the week is today?

A. Wednesday
B. Tuesday
C. Thursday
D. Saturday
Answer» E.
48.

Find the day of the week on 25th december,1995?

A. Monday
B. Wednesday
C. Friday
D. Sunday
Answer» B. Wednesday
49.

If February 1, 2004 is Wednesday, what day is March 3, 2004?

A. Saturday
B. Wednesday
C. Friday
D. Sunday
Answer» B. Wednesday
50.

If the second day of a month is a Friday, which of the following would be the last day of the next month which has 31 days?

A. Monday
B. Thursday
C. Data inadequate
D. Sunday
Answer» D. Sunday