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Question Bank

DAV Schools Lab Assistant (Computer Science) Exam - English

Duration: 90 · Questions: 55 · Max Marks: 55 · Language: 3

View DAV Schools Lab Assistant (Computer Science) 2026 Exam Page

Verbal & Non-Verbal Reasoning

1
What is the next number in the series: 2, 4, 6, 8, ?
  1. A.9
  2. B.11
  3. C.10
  4. D.12
2
What comes next in the series: A, B, C, D, ?
  1. A.F
  2. B.E
  3. C.G
  4. D.H
3
What is the missing number in the series: 1, 4, 9, 16, ?
  1. A.20
  2. B.36
  3. C.30
  4. D.25
4
What follows in the series: 3, 6, 9, 12, ?
  1. A.13
  2. B.15
  3. C.14
  4. D.16
5
What is the next term in the series: J, F, M, A, ?
  1. A.M
  2. B.J
  3. C.S
  4. D.O
6
What comes next: 5, 10, 15, 20, ?
  1. A.25
  2. B.30
  3. C.35
  4. D.40
7
What is the missing letter: A, C, E, G, ?
  1. A.H
  2. B.J
  3. C.I
  4. D.K
8
What follows: 1, 8, 27, 64, ?
  1. A.81
  2. B.100
  3. C.125
  4. D.144
9
What is next in the series: 10, 20, 30, 40, ?
  1. A.45
  2. B.55
  3. C.50
  4. D.60
10
What comes after: Z, Y, X, W, ?
  1. A.S
  2. B.U
  3. C.T
  4. D.V
11
What is the next number: 4, 9, 16, 25, ?
  1. A.36
  2. B.32
  3. C.49
  4. D.64
12
What follows in the series: 1, 3, 5, 7, ?
  1. A.8
  2. B.10
  3. C.9
  4. D.11
13
What is the missing term: O, T, T, F, ?
  1. A.S
  2. B.F
  3. C.E
  4. D.N
14
What comes next: 7, 14, 21, 28, ?
  1. A.35
  2. B.32
  3. C.30
  4. D.42
15
What is the next letter: B, D, F, H, ?
  1. A.I
  2. B.L
  3. C.K
  4. D.J

Lab Assistant (Computer Science)

1
The physical components of a computer are called?
  1. A.Hardware
  2. B.Software
  3. C.Firmware
  4. D.Data
2
Which of the following is an example of system software?
  1. A.MS Word
  2. B.Tally
  3. C.Photoshop
  4. D.Windows OS
3
Which memory is non-volatile?
  1. A.RAM
  2. B.ROM
  3. C.Cache
  4. D.Register
4
The brain of the computer is?
  1. A.CPU
  2. B.ALU
  3. C.RAM
  4. D.Control Unit
5
Which device converts digital signals to analog and vice-versa?
  1. A.Router
  2. B.Switch
  3. C.Hub
  4. D.Modem
6
ALU stands for?
  1. A.Arithmetic Logic Unit
  2. B.Application Layer Utility
  3. C.Automated Logic Unit
  4. D.Advanced Logical Utility
7
Which is an example of input device?
  1. A.Keyboard
  2. B.Speaker
  3. C.Monitor
  4. D.Printer
8
Which is an example of output device?
  1. A.Mouse
  2. B.Scanner
  3. C.Keyboard
  4. D.Monitor
9
RAM is a type of?
  1. A.Permanent memory
  2. B.Secondary memory
  3. C.Optical memory
  4. D.Volatile memory
10
Which software is used for system control and resource management?
  1. A.Operating system
  2. B.Application software
  3. C.Utility
  4. D.Interpreter
11
BIOS is stored in?
  1. A.ROM
  2. B.RAM
  3. C.Hard Disk
  4. D.CPU
12
The speed of CPU is measured in?
  1. A.Bits
  2. B.Kbps
  3. C.MB
  4. D.MHz/GHz
13
Which is an example of secondary storage?
  1. A.Hard Disk
  2. B.ROM
  3. C.RAM
  4. D.Register
14
Software that translates high-level language into machine code line by line is?
  1. A.Compiler
  2. B.Interpreter
  3. C.Assembler
  4. D.Debugger
15
Which port is used to connect a keyboard?
  1. A.HDMI
  2. B.USB
  3. C.VGA
  4. D.RJ-45
16
The smallest unit of data is?
  1. A.Byte
  2. B.Bit
  3. C.Kilobyte
  4. D.Nibble
17
1 Byte = ?
  1. A.8 bits
  2. B.4 bits
  3. C.2 bits
  4. D.16 bits
18
Which is a mobile operating system?
  1. A.Windows 10
  2. B.Fedora
  3. C.Ubuntu
  4. D.iOS
19
The device used to take hard copy output?
  1. A.Speaker
  2. B.Monitor
  3. C.Printer
  4. D.Keyboard
20
Application software is designed to?
  1. A.Perform user tasks
  2. B.Manage hardware
  3. C.Convert code
  4. D.Test memory
21
Which memory is faster?
  1. A.Hard disk
  2. B.RAM
  3. C.Cache
  4. D.Pen drive
22
Which is an example of optical storage?
  1. A.SSD
  2. B.Floppy
  3. C.Hard disk
  4. D.DVD
23
GUI stands for?
  1. A.General User Interface
  2. B.Graphic Utility Interaction
  3. C.Graphical User Interface
  4. D.General Utility Interface
24
The CU of a CPU stands for?
  1. A.Control Utility
  2. B.Control Unit
  3. C.Computing Unit
  4. D.Conditional Unit
25
Which device is used to read barcodes?
  1. A.MICR
  2. B.Barcode Scanner
  3. C.OCR
  4. D.OMR
26
Linux is a?
  1. A.Device driver
  2. B.Programming language
  3. C.Utility
  4. D.OS
27
Which is a pointing device?
  1. A.Printer
  2. B.Monitor
  3. C.Mouse
  4. D.UPS
28
Firmware is stored in?
  1. A.RAM
  2. B.ROM
  3. C.Cache
  4. D.SSD
29
Which is a text-based OS interface?
  1. A.GUI
  2. B.TUI
  3. C.CLI
  4. D.RUI
30
Which device stores data permanently?
  1. A.Hard disk
  2. B.Register
  3. C.Cache
  4. D.RAM
31
Booting means?
  1. A.Shutting down
  2. B.Restarting
  3. C.Formatting
  4. D.Loading OS
32
Which is not a hardware?
  1. A.Monitor
  2. B.Operating system
  3. C.Mouse
  4. D.Keyboard
33
Which software acts as an intermediary between user and hardware?
  1. A.Application
  2. B.OS
  3. C.Firmware
  4. D.Utility
34
Touchscreen is?
  1. A.Input only
  2. B.Input/output device
  3. C.Output only
  4. D.Storage device
35
Which memory is used by CPU for quick access?
  1. A.Hard disk
  2. B.Pen drive
  3. C.Cache
  4. D.ROM
36
The full form of SSD?
  1. A.Static Storage Drive
  2. B.Super Storage Device
  3. C.Secure System Disk
  4. D.Solid State Drive
37
MS Excel is a?
  1. A.System software
  2. B.Firmware
  3. C.Utility
  4. D.Application software
38
Which of the following is a storage device?
  1. A.Joystick
  2. B.Printer
  3. C.Speaker
  4. D.Pen Drive
39
Which unit carries out calculations?
  1. A.CU
  2. B.RAM
  3. C.ALU
  4. D.Cache
40
A software bug is?
  1. A.Error in program
  2. B.Virus
  3. C.Hardware failure
  4. D.Slow processing