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Online Tests
PPSC Computer Science Full Book test MCQs With Answers
Question # 1
Which of the following is a life cycle concern.
Choose an answer
Testing
Portability
Programming
Planning
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Question # 2
The largest percentage of total life cycle cost of software is.
Choose an answer
analysis costs
Design costs
Maintenance costs
Testing costs
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Question # 3
Which of the following would normally form part of a test plan
Choose an answer
frailer process
Incident reports
Risks
Data process
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Question # 4
The subnet mask 255.255.0.0 belongs to
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Class A
Class B
Class C
Class D
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Question # 5
What's wrong in the following statement provide K is a variable of type Int.
(k=2 , k <= 12, k++)
Choose an answer
The increment should always be ++k
The variable must always be the letter i when using a for loop
The variable k can't be initialized
The commas should be semicolons.
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Question # 6
In the Client architecture the component that process the request and sends the response is.
Choose an answer
Network
Client
Server
protocol
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Question # 7
PHP supports all four different ways of delimiting in this context identify the false statement.
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You can use any of the delimiting style.
You can use different delimiting style in same page
You can use any delimiting style but must use a single style consistently for a page.
Variables declared in previous blocks are remembered on later blocks tool
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Question # 8
A thread is.
Choose an answer
Lightweight process where the context switching is low
Lightweight process where the context switching is high
Used to speed up paging
Used in dead locks
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Question # 9
The button on the tool box display data from a related table
Choose an answer
Sub form sub report
Relationships
Select objects
More control
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Question # 10
A data store is represented in data flow diagram as.
Choose an answer
Rectangle
Square
Open rectangle
Open square
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Question # 11
Which configuration objects would not typically be found in the project data base.
Choose an answer
Design specification
Marketing data
Executable code
Test plane
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Question # 12
If two files on same partition point to the same inode structure they are called.
Choose an answer
Soft links
Hard links
Copy links
similar links
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Question # 13
Which formula is used to calculate the number of read stall cycles.
Choose an answer
Reads read miss rate read miss penalty
Write +Wrier buffer stalls
Memory access* cache miss rate * cache miss penalty
None
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Question # 14
A function inside another function is called a ................ function.
Choose an answer
Nested
Round
Sum
Text
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Question # 15
This key Uniquely identifies each record.
Choose an answer
Primary key
Key Record
Unique key
Field name
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Question # 16
Which of the following method is suitable when you need to send larger form submissions.
Choose an answer
Get
Post
Both Get and post
None of above
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Question # 17
The least significant bit of the binary number which is equivalent to any odd decimal number is.
Choose an answer
0
1
1 or 0
3
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Question # 18
The most important thing about a class card is that it be
Choose an answer
Measured in centimeters
Used in portrait orientation to enhance its capacity
Care fully filled
Used to record responsibilities and collaborations
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Question # 19
The brain of any computer system is
Choose an answer
ALU
Memory
CPU
Control unit
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Question # 20
Which of the following is a debugging approach.
Choose an answer
Brute force method
Inheritance
Data flow diagrams
ER Diagrams
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Question # 21
Which of following is not an advantage of multiprogramming.
Choose an answer
Increased through out
Shorter response time
Ability to assign priories of jobs
Decreased system overload
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Question # 22
________ refers to the number of subordinate modules controlled by a calling module.
Choose an answer
span of control
Coupling
Cohesion
Integration
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Question # 23
Which of the following is true.
Choose an answer
Fields are composed of bytes
Records are composed of fields
Fields are composed of charctrs
All of above
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Question # 24
On a PC how much memory is available to application software.
Choose an answer
1024 KB
640 KB
560 KB
760 KB
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Question # 25
Which one of the following input device is user programmable.
Choose an answer
Dumb terminal
Smart terminal
VDT
Intelligent terminal
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Question # 26
What is critical in Web testing.
Choose an answer
Performances and functionality
Functionality and usability
Usability and performance
Debugging
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Question # 27
Belady anomaly occurs in.
Choose an answer
LIFO
FIFO
LRU
NRU
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Question # 28
How many bit of instruction on our simple computer consist of one
Choose an answer
2-bit
6-bit
12-bit
None
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Question # 29
Identify the variable scope that is not supported by PHP
Choose an answer
Local variables
Function parameters
Hidden variables
Global variables
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Question # 30
It is a query that when run displays its own dialog box prompting you for information such as.
Choose an answer
Select
Crosstab
Parameter
Append
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Question # 31
In which method of CRT convergence problem occur
Choose an answer
Beam penetration method
Shadow mask method
Both a and b
None
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