Computer gk 8 june

1. The ___ key will launch the start button.

(1) Esc 

(2) Shift 

(3) Windows 

(4) Short cut 

(5) None of these 

Q.2. What is the full form of PDA ?

(1) Personal Digital Assistance 

(2) Program Direct Access 

(3) Personal Direct Assistance 

(4) All of these 

(5) None of these

Q.3. Another name for cache memory is————.

(1) Buffer Memory 

(2) Secondary Memory 

(3) Read only Memory 

(4) Right only memory 

(5) None of these 

Q.4. All the digital computer work on ……… digit.

(1) Only 0 

(2) Only 1 

(3) Binary 

(4) Uncountable 

(5) None of these 

Q.5. Capacity of Hard disk is measured in—————.

(1) Hertz 

(2) mbps 

(3) Either 0 or 1 

(4) Gigabytes 

(5) None of these 

Q.6. Which of the following is arithmatic key ?

(1) ‘ 

(2) ? 

(3) + 

(4) ~ 

(5) None of these 

Q.7. Which of the following is smallest storage unit ?

(1) Byte 

(2)Kilobyte 

(3) Bit 

(4) Megabyte 

(5) None of these 

Q.8. How many bits in one byte? 

(1) 10 

(2) 21 

(3) 8 4. 5 

(5) None of these 

Q.9. Pendrive is a ……. Unit.

(1) Calculating 

(2) Processing 

(3) Programming 

(4) USB 

(5) None of these 

Q.10. The average access time of a Hard Drive is measured in :

(1) Milliseconds 

(2) Mega hertz 

(3) Giga hertz 

(4) Nanoseconds 

(5) None of these 

ANSWERS

Q.1. (3) Windows

Q.2. (1) Personal Digital Assistance 

Q.3. (1) Buffer Memory 

Q.4. (3) Binary 

Q.5. (4) Gigabytes 

Q.6. (3) + 

Q.7. (3) Bit 

Q.8. (3) 8

Q.9. (4) USB 

Q.10. (1) Milliseconds 

Computer gk 7 june

.1. The time it takes a CPU to retrieve data from RAM is measured in:

(1) Milliseconds 

(2) Microseconds 

(3) Nanoseconds 

(4) Picoseconds 

(5) None of these 

Q.2. The ____________ of the hard drive is the sum of seek time and latency 

(rotational delay).

(1) Rpm 

(2) Access time 

(3) Spin time 

(4) Read time 

(5) None of these 

Q.3. The speed of a hard drive is measured in:

(1) KB 

(2) MHz 

(3) GHz 

(4) MB 

(5) Rpm 

Q.4. Rotational delay, on a hard disk drive, is also known as:

(1) Latency 

(2) Seek time 

(3) Rpm 

(4) Access time 

(5) None of these 

Q.5. When using virtual memory, accessing data from the hard drive is over ____________ than accessing data from RAM.

(1) 100 times faster 

(2) 1,000 times faster 

(3) 1,000,000 times slower 

(4) 10,000,000 times slower 

(5) None of these 

Q.6. The Usage portion of the Task Manager’s Performance tab indicates the:

(1) Processing frequency of the CPU. 

(2) Size of the page file in virtual memory. 

(3) Number of page swaps per second that are taking place. 

(4) Total RAM that is installed on the system. 

(5) None of these 

Q.7. Low-level formatting of a hard disk will:

(1) Initialize the file allocation table. 

(2) Reallocate data in order to make disk access more efficient. 

(3) Defragment the disk. 

(4) Create tracks and sectors on the magnetic surface. 

(5) None of these 

Q.8. When an input electrical signal A=10100 is applied to a NOT gate, its output signal is 

(1) 01011 

(2) 10001 

(3) 10101 

(4) 00101 

(5) None of the above 

Q.9. Which port doesn’t exist in Computer ?

(1) USB 

(2) Parallel 

(3) Com1/Com2 

(4) All of avove 

(5) None of these 

Q.10. Number increment is done by ——————. 

(1) Auto number 

(2) Auto increment 

(3) Autocad 

(4) Auto increase 

(5) None of these 

ANSWERS

Q.1. (3) Nanoseconds 

Q.2. (2) Access time

Q.3. (5) Rpm

Q.4. (1) Latency 

Q.5. (3) 1,000,000 times slower 

Q.6. (2) Size of the page file in virtual memory.

Q.7. (4) Create tracks and sectors on the magnetic surface. 

Q.8. (1) 01011 

Q.9. (3) Com1/Com2

Q.10. (5) Autofill