WorksheetsiGCSE U3 Hardware
Total questions: 85
Worksheet time: 43mins
Name
Class
Date
1.
What component is responsible for the execution or processing of all instructions and data in a computer?
a)
Central Processing Unit
b)
Program Counter
c)
Control Bus
d)
Core
2.
A chip that carries out the same tasks as a larger circuit made from individual components is called
a)
an Integrated Circuit
b)
a central processing unit
c)
an accumulator
d)
the cache
3.
the stored program was introduced in the 1940s and is known as
a)
Von Neumann Architecture
b)
Backing Store
c)
Current Instruction Register
d)
ALU
4.
Part of the CPU that carries out the arithmetic and logic operations
a)
ALU
b)
CPU
c)
IAS
d)
BIOS
5.
A temporary general-purpose register that stores numerical values at any part of an operation
a)
Accumulator
b)
ALU
c)
Memory Data Register
d)
Cache
6.
A register that stores the address of the memory location currently being used
a)
MAR
b)
ALU
c)
CIR
d)
MDR
7.
A register that stores the current instruction being decoded and executed
a)
CIR
b)
MAR
c)
ALU
d)
MDR
8.
A register that stores data that has just been read from memory or data that is about to be written to memory
a)
MDR
b)
CIR
c)
MAR
d)
ALU
9.
A register that stores the address where the next instruction can be read and found
a)
Program Counter
b)
CIR
c)
MAR
d)
MDR
10.
This component of the CPU sends out control signals along the control bus to synchronise data flow and programs.
a)
Control Unit
b)
ALU
c)
CIR
d)
System Clock
11.
This component produces timing signals on the control bus to ensure synchronisation takes place
a)
System Clock
b)
Program Counter
c)
Cache
d)
Register
12.
Measured in GHz
a)
Clock Cycle
b)
Control Unit
c)
Program Counter
d)
System Buses
13.
Memory that holds all data and programs needed to be accessed by the control unit
a)
Immediate Access Store
b)
Cache
c)
ALU
d)
MDR
14.
A secondary storage device used to store data permanently even when the computer is powered down
a)
Backing Store
b)
Cache
c)
Immediate Access Store
d)
Optical Storage
15.
An area of storage used to quickly access frequently used data.
a)
Cache
b)
Immediate Access Store
c)
Optical Storage
d)
Control Bus
16.
A temporary component in the CPU which holds data or instructions as part of the Fetch-Decode-Execute cycle.
a)
Register
b)
Immediate Access Store
c)
Optical Storage
d)
Control Bus
17.
A label for a memory location used by the CPU to track data
a)
Address
b)
Memory Location
c)
Address Bus
d)
Key field
18.
A numbered place in memory where values can be stored
a)
Memory Location
b)
MAC Address
c)
Program Counter
d)
Cache
19.
A connection between major components in a computer that can carry data, addresses or control signals.
a)
System Buses
b)
Core
c)
System Clock
d)
Basic Input / Output System (BIOS)
20.
The system bus that carries the addresses throughout the computer system.
a)
Address Bus
b)
Immediate Access Store
c)
an accumulator
d)
CMOS
21.
The bus system that allows data to be carried between the CPU to memory / between input or output devices
a)
Data Bus
b)
Address Bus
c)
Control Bus
d)
Basic Input / Output System (BIOS)
22.
The system bus that carries signals from the control unit to all other computer components
a)
Control Bus
b)
Address Bus
c)
Data Bus
d)
Basic Input / Output System (BIOS)
23.
Data that can only travel in one direction
a)
Unidirectional
b)
Bidirectional
c)
Quick Response Code
d)
Immediate Access Store
24.
data that can travel in both directions
a)
Bidirectional
b)
Unidirectional
c)
Flip flop
d)
Immediate Access Store
25.
The term used to describe a group of bits that represents a single unit.
a)
Word
b)
Data Bus
c)
Core
d)
OLED
26.
Changing the speed of the system clock to a value higher than the factory setting
a)
Overclocking
b)
Repetitive Strain Injury
c)
Disk Thrashing
d)
Fetch Execute Decode
27.
A unit on the CPU made up of an ALU, a control unit, and registers.
a)
Core
b)
Dual Core
c)
Quad Core
d)
Cache
28.
A CPU containing two cores.
a)
Dual Core
b)
Core
c)
Quad Core
d)
Cache
29.
A CPU containing four cores.
a)
Quad Core
b)
Dual Core
c)
Core
d)
Cache
30.
A cycle in which instructions and data are fetched from memory, decoded and finally executed.
a)
Fetch Execute Decode
b)
Von Neumann Architecture
c)
an Integrated Circuit
d)
Control Bus
31.
A suite of programs on firmware that are used to perform the initialisation of a computer system during the boot up process.
a)
Basic Input / Output System (BIOS)
b)
Quad Core
c)
CMOS
d)
Immediate Access Store
32.
Part of the machine code that identifies what action the CPU has to perform
a)
Opcode
b)
Quick Response Code
c)
MAR
d)
Basic Input / Output System (BIOS)
33.
part of the machine code that identifies what data is to be used.
a)
Operand
b)
Opcode
c)
MAR
d)
Basic Input / Output System (BIOS)
34.
The complete set of machine code instructions used in a microprocessor
a)
Instruction Set
b)
Basic Input / Output System (BIOS)
c)
Opcode
d)
Quick Response Code
35.
A combination of hardware and software designed to carry out a specific set of functions.
a)
Embedded System
b)
Basic Input / Output System (BIOS)
c)
Opcode
d)
Instruction Set
36.
A series of light and dark lines used to represent data. Read using laser or LED light source.
a)
Barcode
b)
Quick Response Code
c)
Opcode
d)
Optical Storage
37.
The key that uniquely identifies a record in a file.
a)
Key field
b)
Opcode
c)
CCD
d)
Control Unit
38.
A matrix of dark and light squares which represent data. Read and interpreted using a smartphone and app.
a)
Quick Response Code
b)
Barcode
c)
Opcode
d)
Optical Storage
39.
A type of QR code that contains a space for advertising
a)
Frame QR Code
b)
Quick Response Code
c)
Opcode
d)
Digital Micromirror Device
40.
A device that converts digital data into electric currents that can drive motors, actuators and relays for example.
a)
DAC
b)
CCD
c)
ADC
d)
DSP
41.
A device that converts analogue data into a form that a computer can understand.
a)
ADC
b)
CCD
c)
DAC
d)
DSP
42.
A light sensitive cell made up of millions of tiny sensors acting as photodioes.
a)
CCD
b)
DAC
c)
ADC
d)
DSP
43.
An onscreen keyboard which uses the features of the touch screen to emulate a physical keyboard.
a)
Virtual Keyboard
b)
Infra-red Touch Screen
c)
Resistive Touch Screen
d)
Capacitive Touch Screen
44.
A screen that allows a user to manipulate a screen image through touching with a finger or stylus.
a)
Touch Screen
b)
Digital Micromirror Device
c)
Computed Tomographic Scanner
d)
Optical Character Recognition
45.
Pain felt in muscles, nerves, tendons caused by repetitive action (for example clicking a mouse button)
a)
Repetitive Strain Injury
b)
ADC
c)
Capacitive Touch Screen
d)
DSP
46.
A chip that generates an electric current or pulses when light falls on its surface.
a)
CMOS
b)
DSP
c)
ADC
d)
CCD
47.
A processor that calculates for example the coordinates of a pointing device based on the pulses of electricity received
a)
DSP
b)
DAC
c)
MAR
d)
CAD
48.
Technology that can convert hard-copy text or images into a digital format to be stored on computer memory.
a)
Optical Character Recognition
b)
Virtual Memory
c)
SSD Endurance
d)
Opcode
49.
Software used to create drawings or 3D models.
a)
CAD
b)
DAC
c)
OLED
d)
DRAM
50.
Technology that can create a 3D image of a solid object by slicing up the object into thin layers
a)
Computed Tomographic Scanner
b)
Piezoelectric Crystal
c)
Binder 3D Printing
d)
Dual Layering
51.
A type of touch screen that uses the change in the screens capacitance when it is touched by a stylus.
a)
Capacitive Touch Screen
b)
Resistive Touch Screen
c)
Infra-red Touch Screen
d)
Virtual Keyboard
52.
A type of touch screen that uses infra red beams and sensors to detect where the screen has been touched.
a)
Infra-red Touch Screen
b)
Resistive Touch Screen
c)
Capacitive Touch Screen
d)
Virtual Keyboard
53.
A type of touch screen that uses two conductive layers which make contact where the screen has been touched.
a)
Resistive Touch Screen
b)
Capacitive Touch Screen
c)
Infra-red Touch Screen
d)
Virtual Keyboard
54.
An output device that turns electrical energy into mechanical movement
a)
Actuator
b)
Digital Micromirror Device
c)
Control Bus
d)
Piezoelectric Crystal
55.
A chip that uses millions of tiny mirrors on its surface to create a video display
a)
Digital Micromirror Device
b)
Thermal Bubble
c)
Piezoelectric Crystal
d)
Optical Character Recognition
56.
Inkjet printer technology where tiny resistors create heat and form an ink bubble that is ejected on paper in an inkjet printer.
a)
Thermal Bubble
b)
Piezoelectric Crystal
c)
Digital Micromirror Device
d)
Disk Thrashing
57.
A crystal located in an ink reservoir within an inkjet printer. the crystal vibrate and forces ink onto the pritner.
a)
Piezoelectric Crystal
b)
Digital Micromirror Device
c)
Thermal Bubble
d)
Optical Character Recognition
58.
a 3D printing technique in which the print head movees in the x,y,,z directions
a)
Direct 3D Printing
b)
Binder 3D Printing
c)
Dual Layering
d)
Overclocking
59.
a 3D printing technique that uses two-stage pass. The frst stage uses dry powder and the second stage uses a binding agent
a)
Binder 3D Printing
b)
Direct 3D Printing
c)
Dual Layering
d)
Overclocking
60.
A negative charged electrode
a)
Cathode
b)
Anode
61.
A positive charge electrode
a)
Anode
b)
Cathode
62.
The movement of electrons between a cathode and an anode creates light.
a)
OLED
b)
ROM
c)
RAM
d)
NIC
63.
An output device that converts electric current into sound.
a)
Loudspeaker
b)
Microphone
c)
Analogue Sensor
d)
Actuator
64.
Primary memory that cannot be written to, it can only be read
a)
ROM
b)
RAM
c)
SRAM
d)
DRAM
65.
Primary memory that can be written to and read from.
a)
RAM
b)
ROM
c)
DRAM
d)
SRAM
66.
A type of RAM chip that needs to constantly be refreshed.
a)
DRAM
b)
ROM
c)
RAM
d)
SRAM
67.
A type of RAM chip that doesnt need to be constantly refreshed.
a)
SRAM
b)
ROM
c)
RAM
d)
DRAM
68.
Memory that loses its contents when it is turned off is called
a)
Volatile
b)
Refresh
c)
Flip flop
d)
Disk Thrashing
69.
Recharrge every few seconds in order to maintain charge, for example with a device such as a capacitor
a)
Refresh
b)
Flip flop
c)
Latency
d)
Disk Thrashing
70.
An electronic circuit with only two stable condiitions.
a)
Flip flop
b)
Refresh
c)
Latency
d)
Data Redundancy
71.
Another word for lag (delay) while an action is being completed.
a)
Latency
b)
Refresh
c)
Flip flop
d)
Data Redundancy
72.
The total number of times data can be written to or read from a solid state drive (SSD) in its usable life cycle
a)
SSD Endurance
b)
Thrash Point
c)
Data Redundancy
d)
Overclocking Point
73.
A type of storage that uses laser light to read and write data.
a)
Optical Storage
b)
Immediate Access Store
c)
Backing Store
d)
Data Bus
74.
Two recording layers in storage media.
a)
Dual Layering
b)
Optical Storage
c)
Immediate Access Store
d)
Backing Store
75.
A memory management system that makes use of secondary storage and software to enable a computer to compensate for the shortage of actual physical RAM memory.
a)
Virtual Memory
b)
Optical Storage
c)
Immediate Access Store
d)
Backing Store
76.
A problem in a hard drive caused by excessive swapping in and out of data causing a high rate of head movements during virtual memory operations
a)
Disk Thrashing
b)
Overclocking Point
c)
Data Redundancy
d)
Flip flop
77.
the point at which the execution of a program comes to a halt because the system is so busy moving data in and out of memory rather than actually executing the program
a)
Thrash Point
b)
Data Redundancy
c)
Overclocking Point
d)
Backing Store
78.
the unneccessary storing of the same data on several storage devices at the same time
a)
Data Redundancy
b)
Immediate Access Store
c)
Latency
d)
Flip flop
79.
a method of data storage where data is stored on offsite servers, the physical storage may be on hundreds of servers in many locations
a)
Cloud Storage
b)
Optical Storage
c)
Immediate Access Store
d)
Data Bus
80.
A hardware component that is required to allow a device to connect to a network, such as the internet
a)
NIC
b)
ROM
c)
RAM
d)
DRAM
81.
A device that enables data packets to be moved between different networks for example too join a LAN to a WAN
a)
Router
b)
OLED
c)
Cathode
d)
Digital Micromirror Device
82.
An IP address that doesnt change
a)
Static IP Address
b)
MAC Address
c)
DHCP
d)
Dynamic IP Address
83.
A unique identifier that acts as a network address for a device
a)
MAC Address
b)
Static IP Address
c)
DHCP
d)
Dynamic IP Address
84.
A temporary IP address assigned to a device each time it logs onto a netowrk
a)
Dynamic IP Address
b)
Static IP Address
c)
MAC Address
d)
DHCP
85.
A server that automatically provides and assigns an IP address.
a)
DHCP
b)
Static IP Address
c)
MAC Address
d)
Dynamic IP Address
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