Explore topic-wise MCQs in Computer Hardware.

This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Hardware knowledge and support exam preparation. Choose a topic below to get started.

1.

A set of parallel wires connecting the CPU of a computer to all other input and output devices:

A. Bus
B. Mother Board
C. BIOS
D. Chips
Answer» B. Mother Board
2.

Bus speed is measured in

A. megahertz
B. hertz
C. kilohertz
D. terahertz
Answer» B. hertz
3.

Newer model computers have a 64-bit data bus called the

A. ISA
B. USB
C. PCI
D. frontside bus
Answer» E.
4.

Main virtue for using single bus structure is

A. fast data transfer
B. cost effective connectivity
C. cost effective connectivity and ease of attaching peripheral devices
D. speed
Answer» D. speed
5.

Bus which is used to connect Macintosh keyboards and mouse is

A. USB
B. FireWire
C. SCSI
D. ISA
Answer» B. FireWire
6.

The CPU sends an I/O address using the first 16 address bus wires after turning on the ____ wire.

A. HRQ
B. INT
C. IO/MEM
D. IRQ
Answer» D. IRQ
7.

Bus which used to connect the monitor to the CPU is

A. PCI bus
B. SCSI bus
C. memory bus
D. rambus
Answer» C. memory bus
8.

To extend the connectivity of the processor bus we use

A. PCI bus
B. SCSI bus
C. controllers
D. multiple bus
Answer» B. SCSI bus
9.

To over come the difference in data transfer speed of various devices we use

A. speed enhancing circuitry
B. bridge circuits
C. multiple buses
D. buffer registers
Answer» E.
10.

When installing an expansion card, what should you be careful of?

A. Humidity
B. ESD damage
C. Ensuring the power cord is plugged in
D. Removing the video card first
Answer» C. Ensuring the power cord is plugged in
11.

______ address space gives the PCI its plug and play capability.

A. Configuration
B. I/O
C. Memory
D. All of the above
Answer» B. I/O
12.

Hot swappable bus includes

A. PCI
B. ISA
C. AGP
D. USB
Answer» E.
13.

The AT bus is also known as the ____ bus.

A. 286
B. 8-bit ISA
C. 16-bit ISA
D. ISA
Answer» D. ISA
14.

Register which is connected to the processor bus and is a single-way transfer capable is

A. PC
B. IR
C. Temp
D. Z
Answer» E.
15.

In multiple bus organization, registers are collectively placed and referred as

A. set registers
B. register file
C. register block
D. map register
Answer» C. register block
16.

Where do expansion cards plug into?

A. bus slots
B. keyboard
C. DIMM
D. mouse
Answer» B. keyboard
17.

16-bit data bus is

A. ISA
B. PCI
C. AGP
D. USB
Answer» B. PCI
18.

IBM developed a bus standard for their line of computers "PC AT" called

A. IB bus
B. M bus
C. ISA
D. PCI bus
Answer» D. PCI bus
19.

_______ is a communication transfer mode in which data is transferred in both directions to send and transfer the small amount of data.

A. Interrupt mode
B. Isochronous mode
C. Control mode
D. None of the above
Answer» D. None of the above
20.

PCI stands for

A. Peripheral Component Interconnect
B. Peripheral Computer Internet
C. Processor Computer Interconnect
D. Processor Cable Interconnect
Answer» B. Peripheral Computer Internet
21.

Main advantage of multiple bus organization over single bus is

A. reduction in a number of cycles for execution
B. increase in size of registers
C. better connectivity
D. fast speed
Answer» B. increase in size of registers
22.

Making the address bus accessible to any device enables the device to have access to ____.

A. external data bus
B. expansion slots
C. I/O addressing
D. RAM or memory
Answer» E.
23.

Which slot provides support for graphically intense computer games?

A. AGP
B. ISA
C. MCA
D. PCI
Answer» B. ISA
24.

When installing a modem into a PCI slot, what should be installed first, the hardware or the driver?

A. The device
B. The hardware
C. It doesn’t matter
D. It depends on whether it’s an internal or external modem
Answer» B. The hardware
25.

The set of electrical pathways which moves information between the basic components on the motherboard, including between RAM and the CPU:

A. System bus
B. Control unit bus
C. Processor bus
D. Connector bus
Answer» B. Control unit bus
26.

Which of following is not a valid bus in computer system ?

A. Data Bus
B. Memory Bus
C. Address Bus
D. System Bus
Answer» C. Address Bus
27.

Devices that use the ____ bus are self-configuring.

A. EISA
B. ISA
C. MCA
D. PCI
Answer» E.