General MCQs

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Q1101.The types of expansion slots are _____?

Easy
A AGP, SPI, CPI
B AGP, PCI, ISA
C CPI, CTR, LRD
D None of these
Other PPSC

Correct Answer: B

Standard motherboard expansion slots include AGP (for graphics), PCI (for peripherals), and ISA (legacy architecture).

Q1102.The ____ directs and coordinates most of the operations in the computer.

Easy
A Motherboard
B ALU
C CU
D None of these
Other PPSC

Correct Answer: C

The Control Unit (CU) inside the CPU interprets program instructions and directs coordination of data flow across computer hardware components.

Q1103.Karnaugh map (K-map) method was introduced in _____?

Easy
A 1953
B 1954
C 1952
D None of these
Other PPSC

Correct Answer: A

The Karnaugh map (K-map) was invented in 1953 by Maurice Karnaugh at Bell Labs to assist in simplifying Boolean algebra expressions visually.

Q1104.Which is capable to accept a string with white space characters?

Easy
A getch()
B gets()
C getche()
D None of these
Other PPSC

Correct Answer: B

The gets() function reads characters from standard input until a newline character is encountered, allowing spaces within the string.

Q1105.In HTML, the _____ tags are used for creating an unordered list.

Easy
A <li></li>
B <ol></ol>
C <ul></ul>
D None of these
Other PPSC

Correct Answer: C

The <ul> tag defines an unordered (bulleted) list in HTML, while the <ol> tag is used for ordered (numbered) lists.

Q1106.Which of the following is NOT an optical disk?

Easy
A Blue ray disk
B CD
C Floppy disk
D DVD
Other PPSC

Correct Answer: C

A floppy disk is a magnetic storage medium, whereas CDs, DVDs, and Blu-ray discs are optical storage media that use lasers.

Q1107.Which of the following is an example of non-impact printers?

Easy
A Laser jet printer
B Dot matrix printer
C Drum printer
D None of these
Other PPSC

Correct Answer: A

Laser jet printers are non-impact because they use static electricity and heat to fuse toner onto paper rather than physically striking it.

Q1108.In Karnaugh Maps, for simplification _____?

Easy
A 1’s are grouped horizontally and vertically
B 1’s are grouped diagonally
C 1’s and 0’s are grouped together
D None of these
Other PPSC

Correct Answer: A

Boolean expression simplification in K-maps is achieved by grouping adjacent cells containing 1s horizontally and vertically in groups of powers of 2.

Q1109.A logic gate that performs logical multiplication is called a ______ gate.

Easy
A XOR
B AND
C NOT
D None of these
Other PPSC

Correct Answer: B

The AND gate performs logical multiplication (conjunction), producing an output of 1 only when all of its inputs are 1.

Q1110.Loss of energy of a signal as it travels outward is called ______?

Easy
A Distortion
B Attenuation
C Cross talk
D None of these
Other PPSC

Correct Answer: B

Attenuation is the reduction in amplitude or energy level of a signal as it travels through transmission media.

Q1111.In a communication system, low Signal-to-Noise means ______?

Easy
A Noise strength is good as compared to signal
B Signal strength is good as compared to noise
C Neither noise nor signal strength is good
D Both noise and signal strength are good
Other PPSC

Correct Answer: A

A low Signal-to-Noise Ratio (SNR) indicates that the background noise level is strong or high relative to the signal strength, causing distortion.

Q1112.One Gigabyte is equal to ______?

Easy
A 2^20 bytes
B 2^30 bytes
C 2^40 bytes
D None of these
Other PPSC

Correct Answer: B

In binary measurement, 1 Gigabyte (GB) is defined as exactly 2^30 bytes (or 1,024 Megabytes).

Q1113.In order to detect movement of the mouse, a mechanical mouse uses a ______ ball.

Easy
A Silver
B Plastic
C Rubber
D None of these
Other PPSC

Correct Answer: C

Mechanical mice utilize a rolling rubber-coated ball that rotates internal rollers to translate physical direction into screen cursor movement.

Q1114.One of the first mechanical calculator was ______?

Easy
A Pascaline
B ENIAC
C Analytic Engine
D None of these
Other PPSC

Correct Answer: A

The Pascaline, invented by French mathematician Blaise Pascal in 1642, was one of the earliest functional mechanical calculators.

Q1115.4K resolutions is _________?

Easy
A 4096×2160
B 4496×2460
C 4296×2260
D 4196×2060
Other PPSC

Correct Answer: A

In professional digital cinema standards, a native 4K display resolution is defined as exactly 4096 × 2160 pixels.

Q1116.Footnotes, endnotes, and indexes are all inserted as _______?

Easy
A Word fields
B Bookmarks
C Cross-references
D None of these
Other PPSC

Correct Answer: A

Footnotes, endnotes, tables of contents, and indexes are implemented in MS Word as dynamic 'Word fields' that automatically recalculate page numbers.

Q1117.Which of the following is the key to close a run dialog box in the window?

Easy
A ESC
B SHIFT
C TAB
D None of these
Other PPSC

Correct Answer: A

Pressing the ESC (Escape) key immediately cancels and closes the Windows Run dialog box without executing any typed commands.

Q1118.Where do the negative numbers appear in the accounting style?

Easy
A Bold
B Italic
C Parenthesis
D None of these
Other PPSC

Correct Answer: C

The accounting number style in spreadsheets represents negative financial values inside parentheses or brackets to differentiate them from positive figures.

Q1119.A function inside another function is called _____?

Easy
A Text function
B Sum function
C Round function
D Nested function
Other PPSC

Correct Answer: D

A nested function is a programming term for nesting one function inside the parameter list of another function.

Q1120.Page up key is used to move ______?

Easy
A One line up
B One page down
C One screen up
D None of these
Other PPSC

Correct Answer: C

The Page Up (PgUp) key moves the active document view window or cursor position upward by exactly one full screen of height.