WorksheetsComputer Science Quiz
Total questions: 20
Worksheet time: 10mins
Conversion of binary number 1010101000010111 to hexadecimal number is?
AA17(16)
A17A(16)
1A7A(16)
17AA(16)
Who is credited with the idea of using punch cards to control patterns in a weaving machine?
Jacquard
Turing
Babbage
Hollerith
Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost?
Power
Speed
Size
Control
The central processor of a modern digital computer consists of?
Control unit and primary memory
Control unit and ALU
CPU and memory
ALU and hard drive
A temporary storage area, attached to the CPU, for I/O operations is a:
Buffer
Register
Cache
RAM
The person contributing the idea of the stored program was?
John von Neumann
Charles Babbage
Alan Turing
Bill Gates
Which of the following is not a part of the CPU program unit?
Control unit
Arithmetic Logic Unit
Register
Hard drive
Transistorized computer circuits were introduced in the?
Second generation
First generation
Third generation
Fourth generation
Those microcomputers which have the same operating characteristics as the IBM microcomputers are called?
IBM clones
PCs
Workstations
Mainframes
The invention of the slide rule is attributed to?
Oughtred
Turing
Babbage
Pascal
Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
Buses
Wires
Circuits
Chips
Microelectronics is the technology of?
Chips
CPUs
Transistors
Displays
The monitor of a computer is connected to it by a?
Cable
Wireless connection
Bluetooth
Fiber optic
A single bus structure is primarily found in?
Mini- and micro-computers
Mainframes
Supercomputers
Embedded systems
Everything a computer does is controlled by its?
CPU
RAM
Hard drive
Power supply
A collection of eight bits is called?
Byte
Word
Nibble
Kilobyte
Each model of a computer has a unique?
Machine language
Operating system
File system
Processor
The most common input device used today is?
Keyboard
Mouse
Touchscreen
Microphone
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
Laser scanner
Barcode reader
Camera
Optical scanner
The equipment with which the computer talks to its users is called a?
Peripheral
Monitor
Keyboard
Speaker
