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Q1181.What is the significance of system uptime for a Senior Computer Operator?

Easy
A The time taken to boot up a system
B The time when the system was last updated
C The total operational time of a system without interruption
D None of these
Other PPSC

Correct Answer: C

Uptime represents the total continuous duration a system has remained fully operational and online without any interruptions or crashes.

Q1182.In the context of software design patterns, what does the Singleton pattern ensure?

Easy
A A class can be subclassed only once
B A class has only one instance and provides a global point of access to it
C A class can be instantiated only once per thread
D None of these
Other PPSC

Correct Answer: B

The Singleton pattern restricts a class to exactly one instance throughout the application and provides a global entry point to that instance.

Q1183.Which service model is typically used for web hosting?

Easy
A IaaS
B PaaS
C Saas
D None of these
Other PPSC

Correct Answer: B

PaaS (Platform as a Service) is commonly used for web hosting, providing the runtime environment and libraries while abstracting hardware management.

Q1184.Convert the hexadecimal number 1A3 to binary?

Easy
A 110100011
B 110100001
C 100100011
D None of these
Other PPSC

Correct Answer: A

Converting hexadecimal 1A3 to binary gives: 1 -> 0001, A -> 1010, 3 -> 0011. Concatenating these results in binary 110100011.

Q1185.ALU is a component of processor, which consists of ____?

Easy
A LU (Logic Unit)
B AU (Arithmetic Unit)
C Both A and B
D None of these
Other PPSC

Correct Answer: C

The Arithmetic Logic Unit (ALU) contains both an Arithmetic Unit (for calculations) and a Logic Unit (for logical comparisons).

Q1186.In Microsoft Window 7, which of the following is not a gadget?

Easy
A Weather
B Date and time
C Recycle Bin
D None of these
Other PPSC

Correct Answer: C

Recycle Bin is a system icon on the desktop, not a Windows Sidebar gadget like Weather or Date/Time.

Q1187.Layout of handout defines _____?

Easy
A Handout slave
B Handout master
C Handout slave
D None of these
Other PPSC

Correct Answer: B

The printed layout, orientation, and formatting of PowerPoint handouts are controlled globally by the Handout Master.

Q1188.Bill Gates is the creator/founder of ______?

Easy
A Yahoo
B Google
C Facebook
D Microsoft
Other PPSC

Correct Answer: D

Bill Gates co-founded Microsoft Corporation alongside Paul Allen in April 1975.

Q1189.A computer mainly consists of electronic _____?

Easy
A Circuits
B Chips
C Device
D Parts
Other PPSC

Correct Answer: A

A computer is built around integrated electronic circuits that process binary data.

Q1190.Who is the founder of Wiki Leaks?

Easy
A Julian Assange
B Charles Babbage
C Steve Jobs
D Bill Gates
Other PPSC

Correct Answer: A

Julian Assange is the Australian editor and activist who co-founded WikiLeaks in 2006.

Q1191.To open a template in Word First to go to file and Click now

Easy
A Click display
B Click new
C Click open
D Click Screen
Other PPSC

Correct Answer: C

Clicking File -> Open allows you to locate and open pre-existing documents or template files stored in your directories.

Q1192.In order to play and hear sound on a computer, one needs:

Easy
A Sound card and speakers
B A microphone
C Both A and B
D None of these
Other PPSC

Correct Answer: A

To output and hear sound, a computer needs a sound card (processor) and speakers (output device) to turn digital signals into audible sound waves.

Q1193.If the displayed system time and date is wrong, you can reset it using _____?

Easy
A Control Panel
B Calendar
C Write
D None of these
Other PPSC

Correct Answer: A

The Control Panel in Windows allows users to view and modify various system settings, including the date and time.

Q1194.Which menu bar selection would you access to open a file?

Easy
A File
B Option
C Help
D None of these
Other PPSC

Correct Answer: A

The 'File' menu contains commands like Open, Save, and Print, used for handling file operations.

Q1195.A user interface that is easy to use is considered to be _____?

Easy
A User happy
B User simple
C User friendly
D None of these
Other PPSC

Correct Answer: C

A user-friendly interface is designed to be intuitive, easy to navigate, and simple for users to interact with.

Q1196.The basic unit of a computer worksheet in which you enter text and numbers is known as _____?

Easy
A Workbook
B Cell
C Row
D Column
Other PPSC

Correct Answer: B

A cell is the intersection of a row and a column in a worksheet where data is entered.

Q1197.Binary coded numbers are in the form of _____?

Easy
A 1, 2
B 1, 1
C 0, 1
D None of these
Other PPSC

Correct Answer: C

Binary numbers are represented solely using two digits: 0 and 1.

Q1198.Which one of the following converts printed documents into digital images?

Easy
A Scanner
B Mouse
C Keyboard
D None of these
Other PPSC

Correct Answer: A

A scanner is a light-sensitive input device that digitizes printed documents or images.

Q1199.The ability to read or write each piece of information in a storage device in approximately the same length of time regardless of its location is _____?

Easy
A Random Access
B Sequential Access
C Raster Scan
D None of these
Other PPSC

Correct Answer: A

Random access memory (RAM) and solid-state storage support constant-time data access independent of physical sector locations.

Q1200.A(n) ________ is dynamic mathematical calculation that displays a single value for a specific field.

Easy
A Aggregate function
B Format row
C Criteria row
D None of these
Other PPSC

Correct Answer: A

An aggregate function (e.g., SUM, COUNT, MAX) computes multiple values over a field to return a single summary value.