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Online Tests of Computer MCQs

Are you preparing Computer MCQs for initial tests of Army, Navy or Pakistan Air Force? you need to have a strong foundation in computer science. Computer MCQs are a great way to test your knowledge of computer mcqs with concepts and prepare for the commission tests. These are very helpful for ICTOs tests. All past papers have been included here for getting 100% result in the initial tests of Pak Forces tests.

There are many resources available regarding computer mcqs to help you study for computer MCQs. Books, online courses, and even mobile apps can provide you with the practice you need to succeed. You can also find many practice questions and answers online.

Here are some of the most important computer concepts that you will need to know for the MCQs:

Computer hardware
Computer software
Data structures
Algorithms
Programming languages
Operating systems
Networking
Security

By mastering these concepts, you will be well on your way to passing the MCQs and achieving your dream of becoming an officer in the Pakistan Armed Forces.

Online Practice Tests of Computer MCQs

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Computer (Advance) Quiz

CD-ROM is a:-

Memory register

Semiconductor memory

None of them

Magnetic memory

A table is also called:-

Two dimensional array

Both a, b

Key

Relation

Registers, which are partially visible to users and used to hold conditional are known as:-

Memory address register

Flags

General purpose register

A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as;-

mini computer

micro computer

macro computer

Super computer

A characteristics of card system is:-

Needing a large DP staff

Slowness in processing data

Both

None

When was Apple Macintosh ll microcomputer introduced in the market;-

1964

1983

1986

1970

As compared to command line operating system, a GUI operating system is:-

More reliable

Easier to use

More difficult

More complicated

Binary circuits elements have;-

None of them

Three stable state

Two stable state

One stable state

The foreign key is found in:-

Parent table

Dependent table

Pivot table

Index table

The accuracy of the floating point numbers representable in two 16 -bit words of a computer is approximately:-

9 digits

6 digits

None of them

16 digits

A small or intelligent device is so called because it contains within it a:-

Computer

Programmable

Sensor

Microcomputer

The term gigabyte refers to:-

1024 maga bytes

1024 giga bytes

1024 kilobytes

1024 bytes

An application suitable for sequential processing is:-

Payroll processing

Both a, b

None of them

Processing of grades

Which codes used in present day computing was developed by IBM corporation:-

Baudot Code

EBCDIC Code

Hollerith Code

ASCII

Insert command is used to insert:-

A new column

A new record

A view

A new table

The virus which activate on a specific data and time is called:-

Logic Bomb

Chernobal

Redlof

Trojan Horse

Magnetic disk provides only sequential access to store data:-

True

False

What is the name of display feature they highlights are of the screen which requires operator attention:-

Reverse video

pixel

Cursor

Touch screen

The output quality of a printer is measured by;-

Dot per Inch

Dot per S.Inch

All of them

Dots printed per unit time

Which device can be sued to directly image printed text:-

All of them

MICR

OCR

OMR

The actual working area in MS-Excel is:-

Workbook

Spreadsheet

None of them

Worksheet

Time during which a job is processed by the computer is:-

Real time

Down time

Execution time

Delay time

Instruction and memory address are represented by;-

Parity bit

Binary word

Character code

Binary codes

Which is harmful for computer:-

Share ware

Virus

Antivirus

Free ware

The formula can only be applied on:-

Title

Unmerged cells

Labels

Values

Your score is

Basic Computer MCQs

Most important Computer MCQs about basics Computer are given below:

What is a computer? (A computer is a machine that can be programmed to carry out a set of instructions.)
What are the two main components of a computer? (The hardware and the software.)
What is the central processing unit (CPU)? (The CPU is the brain of the computer.)
What is the main memory of a computer? (The main memory is where the programs and data are stored.)
What is the hard disk drive (HDD)? (The HDD is where the permanent data is stored.)

Computer Hardware MCQs

Most important Computer MCQs about Computer hardware are given below:

What are the different types of computer hardware? (The different types of computer hardware are the CPU, the main memory, the HDD, the optical drive, the video card, the keyboard, the mouse, the monitor, and the printer.)
What is the function of the CPU? (The CPU is responsible for carrying out the instructions of the program.)
What is the function of the main memory? (The main memory is where the programs and data are stored while the computer is running.)
What is the function of the HDD? (The HDD is where the permanent data is stored.)
What is the function of the optical drive? (The optical drive is used to read and write CDs and DVDs.)

Computer Software MCQs

Most important Computer MCQs about Computer software are given below:

What is a software program? (A software program is a set of instructions that tells the computer what to do.)
What are the different types of software programs? (The different types of software programs are operating systems, programming languages, applications, and utilities.)
What is an operating system? (An operating system is a software program that controls the basic functions of the computer.)
What is a programming language? (A programming language is a set of rules for creating software programs.)
What is an application? (An application is a software program that is designed to perform a specific task.)

Data Structures MCQs

Most important Computer MCQs about Date Structure are given below:

What is a data structure? (A data structure is a way of organizing data so that it can be easily accessed and manipulated.)
What are the different types of data structures? (The different types of data structures are arrays, linked lists, stacks, queues, and trees.)
What is an array? (An array is a data structure that stores data in a sequential order.)
What is a linked list? (A linked list is a data structure that stores data in a linked list.)
What is a stack? (A stack is a data structure that stores data in a last-in, first-out (LIFO) order.)

Algorithms MCQs

Most important Computer MCQs about Computer Algorithm are given below:

What is an algorithm? (An algorithm is a step-by-step procedure for solving a problem.)
What are the different types of algorithms? (The different types of algorithms are sorting algorithms, searching algorithms, and greedy algorithms.)
What is a sorting algorithm? (A sorting algorithm is an algorithm that sorts data in a specific order.)
What is a searching algorithm? (A searching algorithm is an algorithm that searches for a specific data item in a data structure.)
What is a greedy algorithm? (A greedy algorithm is an algorithm that makes the best choice at each step, without considering the future consequences.)

Networking MCQs

Most important Computer MCQs about Computer Networking are given below:

What is a network? (A network is a group of computers that are connected together.)
What are the different types of networks? (The different types of networks are local area networks (LANs), wide area networks (WANs), and metropolitan area networks (MANs).)
What is a router? (A router is a device that connects two or more networks together.)
What is a switch? (A switch is a device that connects devices on the same network together.)
What is a hub? (A hub is a device that connects devices on the same network together.)

Security MCQs

Most important Computer MCQs about Computer Security are given below:

What is computer security? (Computer security is the protection of computer systems and data from unauthorized access, use, disclosure, disruption, modification, or destruction.)
What are the different types of computer security threats? (The different types of computer security threats are viruses, worms, Trojan horses, denial-of-service

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FAQs about Computer MCQs Tests

What is the difference between a computer hardware and software?

Computer hardware is the physical components of a computer, such as the CPU, memory, hard drive, and monitor. Software is the programs that run on the computer, such as the operating system, applications, and utilities.

What is the function of the CPU?

The CPU, or central processing unit, is the brain of the computer. It is responsible for carrying out the instructions of the software programs.

What is the main memory of a computer?

The main memory, also known as RAM, is where the programs and data are stored while the computer is running.

What is the hard disk drive (HDD)?

The HDD is where the permanent data is stored. This includes the operating system, applications, and user data.

What is the operating system?

The operating system is the software program that controls the basic functions of the computer. It is responsible for loading programs, managing memory, and controlling the input and output devices.