General MCQs

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Q961.Mark Zuckerberg is associated with which of the following?

Easy
A Oracle
B Microsoft
C Facebook
D WhatsApp
Other PPSC

Correct Answer: C

Mark Zuckerberg is the prominent technology entrepreneur who co-founded Facebook (now Meta Platforms, Inc.) in February 2004.

Q962.The stream of communication messages is called ______?

Easy
A Encoding
B Channel
C Flow
D None of these
Other PPSC

Correct Answer: C

In telecommunications and business, the continuous stream or movement of transmitted messages is termed the flow of communication.

Q963.One Perabyte is equal to?

Easy
A 1024 MB
B 1024 GB
C 1024 TB
D None of the these
Other PPSC

Correct Answer: C

One Petabyte (spelled 'Perabyte' as a typo in the source) is equivalent to 1024 Terabytes (TB) of digital data.

Q964.Files created with Lotus 1-2-3 have an extension of?

Easy
A DOC
B WK1
C 123
D All of the above.
Other PPSC

Correct Answer: B

Files created in Lotus 1-2-3 traditionally use the .WK1, .WKS, or .123 extensions.

Q965.Vector graphics is composed of_____________?

Easy
A Paths
B Pixels
C Palette
D None of above
Other PPSC

Correct Answer: A

Vector graphics are composed of paths (mathematical formulas defining lines, curves, and shapes) rather than a static grid of pixels.

Q966.IC are classified on the basis of?

Easy
A Manufacturing company.
B Type of computer.
C Number of transistors.
D None of these
Other PPSC

Correct Answer: C

Integrated Circuits (ICs) are classified (like SSI, MSI, LSI, VLSI) based on the number of transistors packed onto the chip.

Q967.Computer system that is old and perhaps not satisfactory is referred to as?

Easy
A Ancient system
B Historical system
C Age old system
D Legacy system
Other PPSC

Correct Answer: D

A legacy system refers to an outdated computer system, software, or technology that is still in use but is no longer fully satisfactory.

Q968.The speed of a processor (microprocessor) is measured in ______?

Easy
A Pixels
B Hertz
C Megabytes
D None of these
Other PPSC

Correct Answer: B

Processor clock speed is measured in Hertz (specifically Megahertz or Gigahertz), indicating the cycles per second it can execute.

Q969.Fiber optics is _____?

Easy
A Wireless
B Cabling
C Both A and B
D
Other PPSC

Correct Answer: B

Fiber optics represents a high-speed wired cabling technology that transmits data as modulated light pulses through glass/plastic fibers.

Q970.In Flutter, the Scaffold() widget is typically used within which function?

Easy
A initState()
B dispose()
C build()
D main()
Other PPSC

Correct Answer: C

In Flutter development, the Scaffold() layout widget is returned within the widget's build() method to establish a structuralMaterial layout.

Q971.Which of the following is a passive topology?

Easy
A Bus
B Star
C Ring
D Mesh
Other PPSC

Correct Answer: A

In passive network topologies like Bus, devices merely listen for transmitted data but do not actively repeat or amplify the signal.

Q972.What is the number of bits in ASCII 7-bit code?

Easy
A 6
B 7
C 8
D 9
Other PPSC

Correct Answer: B

The standard ASCII character encoding scheme uses exactly 7 bits to represent up to 128 unique alphanumeric characters.

Q973.DEO is abbreviation of _____?

Easy
A Digital Entry Operator
B Data Entry Operator
C Data Entry Officer
D None of these
Other PPSC

Correct Answer: B

DEO stands for Data Entry Operator, an administrative specialist who inputs and updates records in computer systems.

Q974.Shortwave radio transmits in a band of frequencies ranging between _____?

Easy
A 50.9MHz to 206.96MHz
B 0.59MHz to 0.96.96MHz
C 5.9MHz to 26.1MHz
D None of these
Other PPSC

Correct Answer: C

Shortwave radio operates in the high frequency (HF) spectrum, typically utilized between 5.9 MHz and 26.1 MHz for global broadcasts.

Q975.Conditional operator is an alternative of ______?

Easy
A If
B Nested-if
C If-else
D None of these
Other PPSC

Correct Answer: C

The ternary conditional operator (? :) in C-based languages acts as a compact, inline alternative to an if-else block.

Q976.Which escape sequence moves the cursor at the beginning of current line?

Easy
A \r
B \n
C \b
D None of these
Other PPSC

Correct Answer: A

The '\r' (carriage return) escape sequence shifts the output cursor back to the start of the current active line without moving to a new line.

Q977.The result of C expression 9/4*2 will be equal to _____?

Easy
A 4
B 5
C 3
D None of these
Other PPSC

Correct Answer: A

In C, integer division 9 / 4 evaluates to 2 (truncating decimals). Then, 2 * 2 evaluates to 4.

Q978.Which data type offers the highest precision?

Easy
A Unsigned long int
B Long double
C Float
D None of these
Other PPSC

Correct Answer: B

Among primitive real number types, 'long double' occupies the most memory (typically 80 or 128 bits) providing the highest precision.

Q979.Which header file contains information about common mathematical functions?

Easy
A math.h
B maths.h
C stdo.h
D None of these
Other PPSC

Correct Answer: A

The standard C/C++ header file containing prototypes for mathematical operations (like sqrt, sin, cos) is <math.h>.

Q980.The keyword _____ is used to specify two different choices with "if" statement.

Easy
A If
B Else
C Switch
D None of these
Other PPSC

Correct Answer: B

The 'else' keyword defines the alternative block of code to run when the condition in an 'if' statement evaluates to false.