Computer Basic Hardware Components

Q161: Optical Character Readers are used for:

آپٹیکل کریکٹر ریڈرز کس کے لیے استعمال کیا جاتا ہے

Visual Display

Output

Input

Storage device

Q162: DOS is the abbreviation for Disk Operating System which was the __________ operating system used for personal computers.

Second

First

Third

Fourth

Q163: __________ refers to mechanisms to detect and correct that occur in the transmission of frames.

Error control

Frame

Block

All of these

Q164: Flowchart is a _________ representation of algorithm_?

فلو چارٹ الگورتھم کی کون نمائندگی ہے؟

Diagrammatic

Symbolic

Linked

Both A & B

Q165: To solve a given problem by using a computer, you need to write _____ for it.

کمپیوٹر کا استعمال کرتے ہوئے کسی مسئلے کو حل کرنے کے لیے، آپ کو اس کے لیے کیا لکھنا ہوگا۔

A program

a book

pseudo code

a statement

Q166: The idea behind limiting the lifetime of variables is to save:

Register

Memory space

calling function

codes

Q167: A ---------- is video capturing device connected to a computer or computer network often using a USB port,

Mouse

FAX

Web cam

Monitor

Q168: When you cut text, it is removed from its original location and placed in a temporary storage are called

جب آپ متن کاٹتے ہیں تو اسے اس کی اصل جگہ سے ہٹا کر عارضی اسٹوریج میں رکھا جاتا ہے اسے کیا کہتے ہے۔

Recycle bin

Clipboard

Temporary storage

None of these

Q169: What can be searched by find?

Characters

Formats

Symbols

All of these

None of these

Q170: The basic function/functions that a computer can perform is/are:

بنیادی فنکشن/فنکشن جو کمپیوٹر انجام دے سکتا ہے/ہیں:

Data processing

Data storage

Data movement and control

All of these