Revision Term 1 test

Question 1

Hardware

Answer 1

Any component you can physically touch

Question 2

Software

Answer 2

Collection of programs and instructions that control the computer

Question 3

Network

Answer 3

A group of computers connected together in some way to share resources

Question 4

Peripheral

Answer 4

Device attached to the computer that allow it to interact with its environment and exchange information

Question 5

Human Resources

Answer 5

Humans operating computers

Question 6

CPU (Central processing unit)

Answer 6

Key component of computer system, which contains circuitry necessary to interpret and execute program instructions.

Question 7

Von Neumann

Answer 7

Inventor of CPU and primary memory

Question 8

Primary memory - RAM

Answer 8

random access memory: contains data and instructions computer has loaded since starting yet looses its contents of power is lost.

Question 9

Primary memory - ROM

Answer 9

Read only memory: static, non-volatile, stores basic input output system that allows the computer to know what to do to find the operating system to boot after power restored.

Question 10

Primary memory: Cache

Answer 10

Cache: High speed memory inside CPU which allows super fast read/write access.

Question 11

Secondary memory

Answer 11

This is non-volatile m storage device used to store the operating system, applications and data in a computer system so that they are available the best time the system is started.

Question 12

Registers

Answer 12

Registers all the data, addresses and program instructions go through there. Is temporary

Question 13

Memory address register

Answer 13

Holds address of next value or instruction to be fetched or stored

Question 14

Memory data register

Answer 14

Holds value and instructions

Question 15

Current instruction register

Answer 15

Holds instructions to be executed

Question 16

Accumulator

Answer 16

Temporarily stores data of currently running instructions

Question 17

Arithmetic login unit

Answer 17

Performs arithmetic and logic calculations

Question 18

Address bus

Answer 18

A data bus that is used to specify a physical address or memory location.

Question 19

Control bus

Answer 19

Carries control signals from the processor to other components

Question 20

Data bus

Answer 20

A connection between the different parts of a computer that information is delivered from the CPU to the main memory.

Question 21

Control unit

Answer 21

The center of operations / Receives and decides instructions and send out commands

Question 22

Bus

Answer 22

Connection between two or more components of a computer system used for transporting binary information

Question 23

Machine instruction cycle

Answer 23

Basic operation cycle of a computer; the process by which a computer retrieves program instruction (fetch) from memory, determines what actions the instruction requires (decode), and Carrie’s out those actions (execute and optionally store).

Question 24

Motherboard

Answer 24

Integrates all the physical components to communicate and operate together

Question 25

GPU

Answer 25

Graphics processing unit - output - video or display card

Question 26

(HDD) Hard disk drive

Answer 26

Store information for retrieval at any time

Question 27

Solid state drive (SSD)

Answer 27

A hard drive, consisting of a bank of flash memory that can hold a reasonable amount of information