Class 9 Computer Applications 165 Solutions
Solutions of Class 9 – Kips Cyber Beans CBSE Computer Code 165
Multiple Choice Questions
1. Which of the following is not a characteristic of a computer?
Reduces paper work
Less storage capacity
Accuracy
Speed
Reason: A computer has great storage capacity.
2. The final output available to a user on the monitor is known as …………… .
Hardcopy
Software
Softcopy
Bytes
Reason: Output on a screen is called softcopy; printed output is hardcopy.
3. Which of the following is not a part of a CPU?
MU
ALU
VDU
CU
Reason: VDU is a monitor (output device). MU, ALU, and CU are internal CPU components.
4. The component responsible for mathematical calculations and logical operations is …………… .
ALU
CU
MU
ROM
Reason: ALU stands for Arithmetic Logic Unit.
5. Converting unorganized data into meaningful information is called …………… .
Input
Storage
Output
Processing
Reason: Processing is the transformation of raw data into information.
6. Unorganized raw facts and figures given to a computer are called …………… .
ROM
Information
Output
Data
Reason: Data refers to raw, unprocessed facts.
7. The basic organization of a computer does not consist of …………… .
Keyboard
Input unit
Output unit
CPU
Reason: Keyboard is a specific device, not a functional unit like Input or CPU.
8. ROM stores a set of instructions called …………… .
DRAM
PROM
BIOS
SRAM
Reason: BIOS (Basic Input Output System) is stored in ROM.
9. ROM whose contents are erased by ultraviolet light is called …………… .
PROM
EPROM
EEPROM
Flash memory
Reason: EPROM stands for Erasable Programmable Read Only Memory.
10. A commonly used storage device is …………… .
RAM
ROM
Hard disk
SRAM
Reason: Hard disks are used for permanent secondary storage.
11. The smallest unit of memory is …………… .
[Image showing the hierarchy of computer memory units: bit, nibble, byte, KB, MB, GB, TB]
Byte
Bit
Nibble
Kilobyte
Reason: A bit (binary digit) is the smallest unit (0 or 1).
12. High speed memory storing frequently used instructions is …………… .
[Image showing the location of cache memory between the CPU and RAM]
DRAM
Cache
PROM
Flash memory
Reason: Cache memory bridges the speed gap between CPU and RAM.
13. Memory programmed at manufacturing and not modifiable is …………… .
EPROM
PROM
ROM
RAM
Reason: PROM is programmed once and cannot be changed.
14. In which form is data represented in Digital computers?
Analog form
Decimal form
Binary form
Octal form
Reason: Digital computers use 0s and 1s (Binary).
15. Which category is NOT included in Microcomputers?
[Image showing examples of microcomputers like laptops, tablets, and desktops vs a large supercomputer]
Tablet PC
Laptop computer
Supercomputer
Handheld devices
Reason: Supercomputers are a separate, high-performance class.
16. A computer is not able to …………… .
Think
Reduce usage of paper
Reduce manpower
Increase efficiency
Reason: Computers lack Artificial Intelligence (original thinking) and follow set instructions.
17. The speed of a CPU is measured in …………… .
MB
CB
TB
Mhz
Reason: CPU speed is measured in Megahertz or Gigahertz.
18. …………… is a quick way to send short messages.
MMS
SMS
E-Mail
None of these
Reason: SMS stands for Short Message Service.
Quiz Completed!
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