Computer Science :: All Aptitude Test ::

1.For the addition of large integers, most of the systems make use of?
A. Full adders
B. Carry look-ahead adders
C. Fast adders
D. Full adders

2.In a normal n-bit adder, to find out if an overflow as occurred we make use of?
A. Xor gate
B. Nor gate
C. Nand gate
D. Xor gate

3.In the implementation of a Multiplier circuit in the system we make use of?
A. Push down stack
B. Shift register
C. Flip flop
D. Push down stack

4.When 1101 is used to divide 100010010 the remainder is?
A. 1
B. o
C. 11
D. 1

5.These devices provide a means of communication between a computer and outer world?
A. Drivers
B. Compact
C. Storage
D. Drivers

6.What does GUI stand for?
A. Graphical User Interface
B. General User Instruction
C. Ground User Interface
D. Graphical User Interface

7.Which of the following is not a point-and-draw device?
A. Mouse
B. Touch screen
C. Trackball
D. Mouse

8.A device used for video games, flight simulators, training simulators and for controlling industrial robots?
A. Keyboard
B. Joystick
C. Light pen
D. Keyboard

9.The unattended interactive information systems such as automatic teller machine or ATM is called as?
A. Kiaks
B. Cianto
C. Sioks
D. Kiaks

10.Which are the input devices that enable direct data entry into a computer system from source documents?
A. System Access devices
B. Data acquiring devices
C. Data retrieving devices
D. System Access devices

11.Which of the following is a type of image scanner?
A. Compact
B. Flat-bed
C. Hand-led
D. Compact

12.Which of the following is capable of recognizing a pre-specified type of mark by pencil or pen?
A. Image Scanner
B. Bar code reader
C. Winchester
D. Image Scanner

13.Input Devices that use a special ink that contains magnetizable particles of iron oxide are?
A. Magnetic drives
B. MICR
C. Magnetic disks
D. Magnetic drives

14.A printer that prints one line at a time and has a predefined set of characters is called?
A. Impact
B. Inkjet
C. Drum
D. Impact

15.Which of the following is a name of plotter as well as a printer?
A. Impact
B. Drum
C. Laser
D. Impact

16.Name the device that converts text information into spoken sentences?
A. Voice systems
B. Speech Synthesizers
C. Compact converters
D. Voice systems

17.Which of the following is not a part of a digitize?
A. Stylus
B. Stick
C. Cursor
D. Stylus

18.Which is the device used for converting maps, pictures and drawings into digital form for storage in computers?
A. MICR
B. Image Scanner
C. Scanner
D. MICR

19.The process in which a file is partitioned into smaller parts and different parts are stored in different disks is called?
A. RAID classification
B. Stripping
C. Mirroring
D. RAID classification

20.Which of the following Printers have a speed in the range of 40-300 characters per second?
A. Drum
B. Dot matrix
C. Laser
D. Drum

21.Which of the following is a temporary output?
A. On paper
B. Duplicate copy
C. Soft copy
D. On paper

22.How to define a function in PHP?
A. function functionName(parameters) {function body}
B. functionName(parameters) {function body}
C. data type functionName(parameters) {function body}
D. function functionName(parameters) {function body}

23.Type Hinting was introduced in which version of PHP?
A. PHP 6
B. PHP 5.3
C. PHP 5
D. PHP 6

24.Which type of function call is used in line 8 in the following PHP code?
A. Type Hinting
B. Default Argument Value
C. Call By Reference
D. Type Hinting

25.What will be the output of the following PHP code?
A. 84
B. 0
C. 42
D. 84

26.What will be the output of the following PHP code?
A. I am a Error
B. I am a
C. I am bI am a
D. I am a Error

27.What will be the output of the following PHP code?
A. I am a Error
B. Error
C. I am bI am a
D. I am a Error

28.What will be the output of the following PHP code?
A. helloblablablabla
B. hello
C. Error
D. helloblablablabla

29.A function in PHP which starts with __ (double underscore) is known as?
A. User Defined Function
B. Default Function
C. Inbuilt Function
D. User Defined Function

30.What will be the output of the following PHP code?
A. Will this work
B. 0
C. $msg
D. Will this work


Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers